{"title":"SMK Allterra","description":"\u003cp\u003eDiscover SMK Allterra Helmets at Moto Central. The SMK Allterra is a premium adventure and off-road helmet built for riders who love to explore both tarmac and trails. Designed for endurance, versatility, and protection, it combines rugged durability with all-day comfort. Whether you’re tackling dirt paths or long highway stretches, the SMK Allterra delivers outstanding performance, ventilation, and visibility, making it the perfect companion for adventure riders and dual-sport enthusiasts.\u003c\/p\u003e\n\u003ch2\u003eSMK Allterra\u003c\/h2\u003e\n\u003cp\u003eThe SMK Allterra Helmet is crafted using EIRT (Energy Impact Resistant Thermoplastic) for exceptional impact absorption and strength. Its aerodynamic design includes a detachable peak to reduce wind resistance at higher speeds, and a wide visor for enhanced visibility on challenging terrain. The internal sun visor provides instant glare protection, while the advanced ventilation system keeps the interior cool during intense rides. With a plush, removable liner and a secure fit, the Allterra ensures you stay comfortable and focused wherever your adventure leads.\u003c\/p\u003e\n\u003ch2\u003eKey Features \u0026amp; Benefits\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdventure-Ready Design:\u003c\/strong\u003e Perfect for touring and off-road exploration with a peak visor and rugged styling.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLightweight Construction:\u003c\/strong\u003e Built with EIRT shell for strength, safety, and reduced rider fatigue.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePinlock Ready Visor:\u003c\/strong\u003e Wide, clear visor compatible with anti-fog inserts for all-weather visibility.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInternal Sun Visor:\u003c\/strong\u003e Drop-down tinted visor for quick glare protection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdvanced Ventilation:\u003c\/strong\u003e Multi-channel system ensures optimal airflow for comfort on long rides.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eRange Highlights\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eECE Certified:\u003c\/strong\u003e Complies with European safety standards for dependable protection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDetachable Peak:\u003c\/strong\u003e Adjustable peak for improved aerodynamics and versatility.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComfort Interior:\u003c\/strong\u003e Removable, washable, and hypoallergenic lining for a perfect fit and lasting freshness.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuick Release Strap:\u003c\/strong\u003e Secure and convenient fastening system for everyday practicality.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eShop SMK Allterra Helmets at Moto Central and enjoy free UK delivery on orders over £25, plus a 365-day return policy for total peace of mind.\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0895\/0412\/1170\/files\/29376-753_10000596990_a-1-3-600.jpg?v=1760435285\u0026amp;width=1200\" alt=\"SMK Allterra Unicolour GL120 White\" width=\"250\" height=\"250\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0895\/0412\/1170\/files\/29371-753_10000596870_a-1-3-600.jpg?v=1760435291\u0026amp;width=1000\" alt=\"SMK Allterra Unicolour MA260 Matt Black\" width=\"250\" height=\"250\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0895\/0412\/1170\/files\/29382-753_10001021660_a-1-3-600.jpg?v=1760435303\u0026amp;width=500\" alt=\"SMK Allterra X-Sprint GL231 Red \/ Black \/ White\" width=\"250\" height=\"250\"\u003e\u003c\/p\u003e","products":[{"product_id":"smk-allterra-unicolour-gl120-white","title":"SMK Allterra Unicolour GL120 Gloss White Motocross Helmet","description":"\u003cp\u003eThe \u003cstrong\u003eSMK Allterra Unicolour GL120 Gloss White Motocross Helmet\u003c\/strong\u003e is a purpose-built off-road helmet for motocross, trail and enduro riding. This Gloss White version combines SMK's goggle-friendly Allterra design with current ECE 22.06 approval, secure Double-D fastening and a removable peak.\u003c\/p\u003e\n\u003ch2\u003eOff-road protection and comfort\u003c\/h2\u003e\n\u003cp\u003eSMK uses two outer injected EIRT shell sizes across the Allterra range to balance impact protection with a comfortable fit. The open eyeport is deliberately wide to accept MX goggles and preserve a broad view of the track, while the peak can be adjusted or removed to suit the rider and conditions.\u003c\/p\u003e\n\u003cp\u003eMultiple intake vents feed a channelled airflow system with rear exhausts. Inside, the breathable hypoallergenic liner is removable and washable, with moisture-management and antistatic properties for repeated off-road use.\u003c\/p\u003e\n\u003ch2\u003eKey features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eECE 22.06 approved off-road motorcycle helmet\u003c\/li\u003e\n\u003cli\u003eEnergy Impact Resistant Thermoplastic (EIRT) shell construction\u003c\/li\u003e\n\u003cli\u003eTwo outer shell sizes across the model range\u003c\/li\u003e\n\u003cli\u003ePadded Double-D ring chin-strap fastening\u003c\/li\u003e\n\u003cli\u003eAdjustable and removable sun peak\u003c\/li\u003e\n\u003cli\u003eExtra-wide eye aperture designed for MX goggles\u003c\/li\u003e\n\u003cli\u003eMultiple air intakes with channelled rear exhaust ventilation\u003c\/li\u003e\n\u003cli\u003eRemovable, washable and hypoallergenic comfort liner\u003c\/li\u003e\n\u003cli\u003eMoisture-management and antistatic interior fabric\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTechnical specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eSMK\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003ctd\u003eAllterra Unicolour\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eManufacturer colour code\u003c\/th\u003e\n\u003ctd\u003eGL120\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eColourway\u003c\/th\u003e\n\u003ctd\u003eGloss White\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHelmet type\u003c\/th\u003e\n\u003ctd\u003eMotocross and off-road\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eShell\u003c\/th\u003e\n\u003ctd\u003eInjected EIRT thermoplastic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eApproval\u003c\/th\u003e\n\u003ctd\u003eECE 22.06\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFastening\u003c\/th\u003e\n\u003ctd\u003ePadded Double-D ring\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePeak\u003c\/th\u003e\n\u003ctd\u003eAdjustable and removable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eEye protection\u003c\/th\u003e\n\u003ctd\u003eOpen goggle aperture; goggles are not included\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eInterior\u003c\/th\u003e\n\u003ctd\u003eRemovable, washable, hypoallergenic, moisture-managing and antistatic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eSMK helmet size guide\u003c\/h2\u003e\n\u003cp\u003eMeasure around the widest part of the head, above the eyebrows and ears. Use the measurement as a starting point and check that the helmet sits evenly and snugly without pressure points or gaps.\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSize\u003c\/th\u003e\n\u003cth\u003eHead circumference\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eXS\u003c\/td\u003e\n\u003ctd\u003e54 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eS\u003c\/td\u003e\n\u003ctd\u003e55 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eM\u003c\/td\u003e\n\u003ctd\u003e57 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eL\u003c\/td\u003e\n\u003ctd\u003e59 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eXL\u003c\/td\u003e\n\u003ctd\u003e61 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eXXL\u003c\/td\u003e\n\u003ctd\u003e62 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eWhat is supplied?\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eOne SMK Allterra Unicolour GL120 motocross helmet\u003c\/li\u003e\n\u003cli\u003eFitted adjustable and removable peak\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eMX goggles are not included and should be selected separately for the rider's face shape and riding conditions.\u003c\/p\u003e\n\u003ch2\u003eQuestions and answers\u003c\/h2\u003e\n\u003ch3\u003eIs the SMK Allterra road legal?\u003c\/h3\u003e\n\u003cp\u003eIt carries ECE 22.06 approval. Its open eyeport and peak are configured primarily for motocross and off-road riding, so suitable eye protection must be worn.\u003c\/p\u003e\n\u003ch3\u003eCan I use motocross goggles?\u003c\/h3\u003e\n\u003cp\u003eYes. The extra-wide aperture is designed to hold MX goggles securely while maintaining a broad field of view.\u003c\/p\u003e\n\u003ch3\u003eCan the lining be washed?\u003c\/h3\u003e\n\u003cp\u003eYes. The comfort liner is removable and washable. Follow SMK's care instructions and allow it to dry naturally before refitting.\u003c\/p\u003e\n\u003ch2\u003eMoto Central fitting support\u003c\/h2\u003e\n\u003cp\u003eHelmet sizing is only a starting point because head shape and liner contact matter as much as circumference. Moto Central can help with fit in our Wolvey showroom, and the videos below explain how to measure correctly and recognise a helmet that is the right size but the wrong shape.\u003c\/p\u003e\n\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/6SYrUrc1Wag?si=lnmRCQy3LMOufMe4\" title=\"YouTube video player\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen\u003e\u003c\/iframe\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/EtwH1-6Sf5o?si=je__nN-70lkuud3c\" title=\"YouTube video player\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen\u003e\u003c\/iframe\u003e","brand":"SMK","offers":[{"title":"XS","offer_id":51754445963602,"sku":"753\/100005969901","price":74.99,"currency_code":"GBP","in_stock":true},{"title":"S","offer_id":51754445996370,"sku":"753\/100005969702","price":74.99,"currency_code":"GBP","in_stock":true},{"title":"M","offer_id":51754446029138,"sku":"753\/100005969603","price":74.99,"currency_code":"GBP","in_stock":true},{"title":"L","offer_id":51754446061906,"sku":"753\/100005969504","price":74.99,"currency_code":"GBP","in_stock":true},{"title":"XL","offer_id":51754446094674,"sku":"753\/100005969805","price":74.99,"currency_code":"GBP","in_stock":true},{"title":"XXL","offer_id":51754446127442,"sku":"753\/100005969406","price":74.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0895\/0412\/1170\/files\/29376-753_10000596990_a-1-3-600.jpg?v=1760435285"},{"product_id":"smk-allterra-unicolour-ma260-matt-black","title":"SMK Allterra Unicolour MA260 Matt Black Motocross Helmet","description":"\u003cp\u003eThe \u003cstrong\u003eSMK Allterra Unicolour MA260 Matt Black Motocross Helmet\u003c\/strong\u003e is a purpose-built off-road helmet for motocross, trail and enduro riding. This Matt Black version combines SMK's goggle-friendly Allterra design with current ECE 22.06 approval, secure Double-D fastening and a removable peak.\u003c\/p\u003e\n\u003ch2\u003eOff-road protection and comfort\u003c\/h2\u003e\n\u003cp\u003eSMK uses two outer injected EIRT shell sizes across the Allterra range to balance impact protection with a comfortable fit. The open eyeport is deliberately wide to accept MX goggles and preserve a broad view of the track, while the peak can be adjusted or removed to suit the rider and conditions.\u003c\/p\u003e\n\u003cp\u003eMultiple intake vents feed a channelled airflow system with rear exhausts. Inside, the breathable hypoallergenic liner is removable and washable, with moisture-management and antistatic properties for repeated off-road use.\u003c\/p\u003e\n\u003ch2\u003eKey features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eECE 22.06 approved off-road motorcycle helmet\u003c\/li\u003e\n\u003cli\u003eEnergy Impact Resistant Thermoplastic (EIRT) shell construction\u003c\/li\u003e\n\u003cli\u003eTwo outer shell sizes across the model range\u003c\/li\u003e\n\u003cli\u003ePadded Double-D ring chin-strap fastening\u003c\/li\u003e\n\u003cli\u003eAdjustable and removable sun peak\u003c\/li\u003e\n\u003cli\u003eExtra-wide eye aperture designed for MX goggles\u003c\/li\u003e\n\u003cli\u003eMultiple air intakes with channelled rear exhaust ventilation\u003c\/li\u003e\n\u003cli\u003eRemovable, washable and hypoallergenic comfort liner\u003c\/li\u003e\n\u003cli\u003eMoisture-management and antistatic interior fabric\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTechnical specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eSMK\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003ctd\u003eAllterra Unicolour\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eManufacturer colour code\u003c\/th\u003e\n\u003ctd\u003eMA260\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eColourway\u003c\/th\u003e\n\u003ctd\u003eMatt Black\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHelmet type\u003c\/th\u003e\n\u003ctd\u003eMotocross and off-road\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eShell\u003c\/th\u003e\n\u003ctd\u003eInjected EIRT thermoplastic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eApproval\u003c\/th\u003e\n\u003ctd\u003eECE 22.06\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFastening\u003c\/th\u003e\n\u003ctd\u003ePadded Double-D ring\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePeak\u003c\/th\u003e\n\u003ctd\u003eAdjustable and removable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eEye protection\u003c\/th\u003e\n\u003ctd\u003eOpen goggle aperture; goggles are not included\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eInterior\u003c\/th\u003e\n\u003ctd\u003eRemovable, washable, hypoallergenic, moisture-managing and antistatic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eSMK helmet size guide\u003c\/h2\u003e\n\u003cp\u003eMeasure around the widest part of the head, above the eyebrows and ears. Use the measurement as a starting point and check that the helmet sits evenly and snugly without pressure points or gaps.\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSize\u003c\/th\u003e\n\u003cth\u003eHead circumference\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eXS\u003c\/td\u003e\n\u003ctd\u003e54 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eS\u003c\/td\u003e\n\u003ctd\u003e55 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eM\u003c\/td\u003e\n\u003ctd\u003e57 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eL\u003c\/td\u003e\n\u003ctd\u003e59 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eXL\u003c\/td\u003e\n\u003ctd\u003e61 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eXXL\u003c\/td\u003e\n\u003ctd\u003e62 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eWhat is supplied?\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eOne SMK Allterra Unicolour MA260 motocross helmet\u003c\/li\u003e\n\u003cli\u003eFitted adjustable and removable peak\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eMX goggles are not included and should be selected separately for the rider's face shape and riding conditions.\u003c\/p\u003e\n\u003ch2\u003eQuestions and answers\u003c\/h2\u003e\n\u003ch3\u003eIs the SMK Allterra road legal?\u003c\/h3\u003e\n\u003cp\u003eIt carries ECE 22.06 approval. Its open eyeport and peak are configured primarily for motocross and off-road riding, so suitable eye protection must be worn.\u003c\/p\u003e\n\u003ch3\u003eCan I use motocross goggles?\u003c\/h3\u003e\n\u003cp\u003eYes. The extra-wide aperture is designed to hold MX goggles securely while maintaining a broad field of view.\u003c\/p\u003e\n\u003ch3\u003eCan the lining be washed?\u003c\/h3\u003e\n\u003cp\u003eYes. The comfort liner is removable and washable. Follow SMK's care instructions and allow it to dry naturally before refitting.\u003c\/p\u003e\n\u003ch2\u003eMoto Central fitting support\u003c\/h2\u003e\n\u003cp\u003eHelmet sizing is only a starting point because head shape and liner contact matter as much as circumference. Moto Central can help with fit in our Wolvey showroom, and the videos below explain how to measure correctly and recognise a helmet that is the right size but the wrong shape.\u003c\/p\u003e\n\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/6SYrUrc1Wag?si=lnmRCQy3LMOufMe4\" title=\"YouTube video player\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen\u003e\u003c\/iframe\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/EtwH1-6Sf5o?si=je__nN-70lkuud3c\" title=\"YouTube video player\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen\u003e\u003c\/iframe\u003e","brand":"SMK","offers":[{"title":"XS","offer_id":51754446553426,"sku":"753\/100005968701","price":74.99,"currency_code":"GBP","in_stock":true},{"title":"S","offer_id":51754446586194,"sku":"753\/100005968502","price":74.99,"currency_code":"GBP","in_stock":true},{"title":"M","offer_id":51754446618962,"sku":"753\/100005968403","price":74.99,"currency_code":"GBP","in_stock":true},{"title":"L","offer_id":51754446651730,"sku":"753\/100005968304","price":74.99,"currency_code":"GBP","in_stock":true},{"title":"XL","offer_id":51754446684498,"sku":"753\/100005968605","price":74.99,"currency_code":"GBP","in_stock":true},{"title":"XXL","offer_id":51754446717266,"sku":"753\/100005968206","price":74.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0895\/0412\/1170\/files\/29371-753_10000596870_a-1-3-600.jpg?v=1760435291"},{"product_id":"smk-allterra-x-sprint-gl231-red-black-white","title":"SMK Allterra X-Sprint GL231 Red \/ Black \/ White Motocross Helmet","description":"\u003cp\u003eThe \u003cstrong\u003eSMK Allterra X-Sprint GL231 Red \/ Black \/ White Motocross Helmet\u003c\/strong\u003e is a purpose-built off-road helmet for motocross, trail and enduro riding. This Red \/ Black \/ White version combines SMK's goggle-friendly Allterra design with current ECE 22.06 approval, secure Double-D fastening and a removable peak.\u003c\/p\u003e\n\u003ch2\u003eOff-road protection and comfort\u003c\/h2\u003e\n\u003cp\u003eSMK uses two outer injected EIRT shell sizes across the Allterra range to balance impact protection with a comfortable fit. The open eyeport is deliberately wide to accept MX goggles and preserve a broad view of the track, while the peak can be adjusted or removed to suit the rider and conditions.\u003c\/p\u003e\n\u003cp\u003eMultiple intake vents feed a channelled airflow system with rear exhausts. Inside, the breathable hypoallergenic liner is removable and washable, with moisture-management and antistatic properties for repeated off-road use.\u003c\/p\u003e\n\u003ch2\u003eKey features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eECE 22.06 approved off-road motorcycle helmet\u003c\/li\u003e\n\u003cli\u003eEnergy Impact Resistant Thermoplastic (EIRT) shell construction\u003c\/li\u003e\n\u003cli\u003eTwo outer shell sizes across the model range\u003c\/li\u003e\n\u003cli\u003ePadded Double-D ring chin-strap fastening\u003c\/li\u003e\n\u003cli\u003eAdjustable and removable sun peak\u003c\/li\u003e\n\u003cli\u003eExtra-wide eye aperture designed for MX goggles\u003c\/li\u003e\n\u003cli\u003eMultiple air intakes with channelled rear exhaust ventilation\u003c\/li\u003e\n\u003cli\u003eRemovable, washable and hypoallergenic comfort liner\u003c\/li\u003e\n\u003cli\u003eMoisture-management and antistatic interior fabric\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTechnical specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eSMK\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003ctd\u003eAllterra X-Sprint\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eManufacturer colour code\u003c\/th\u003e\n\u003ctd\u003eGL231\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eColourway\u003c\/th\u003e\n\u003ctd\u003eRed \/ Black \/ White\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHelmet type\u003c\/th\u003e\n\u003ctd\u003eMotocross and off-road\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eShell\u003c\/th\u003e\n\u003ctd\u003eInjected EIRT thermoplastic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eApproval\u003c\/th\u003e\n\u003ctd\u003eECE 22.06\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFastening\u003c\/th\u003e\n\u003ctd\u003ePadded Double-D ring\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePeak\u003c\/th\u003e\n\u003ctd\u003eAdjustable and removable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eEye protection\u003c\/th\u003e\n\u003ctd\u003eOpen goggle aperture; goggles are not included\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eInterior\u003c\/th\u003e\n\u003ctd\u003eRemovable, washable, hypoallergenic, moisture-managing and antistatic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eSMK helmet size guide\u003c\/h2\u003e\n\u003cp\u003eMeasure around the widest part of the head, above the eyebrows and ears. Use the measurement as a starting point and check that the helmet sits evenly and snugly without pressure points or gaps.\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSize\u003c\/th\u003e\n\u003cth\u003eHead circumference\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eXS\u003c\/td\u003e\n\u003ctd\u003e54 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eS\u003c\/td\u003e\n\u003ctd\u003e55 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eM\u003c\/td\u003e\n\u003ctd\u003e57 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eL\u003c\/td\u003e\n\u003ctd\u003e59 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eXL\u003c\/td\u003e\n\u003ctd\u003e61 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eXXL\u003c\/td\u003e\n\u003ctd\u003e62 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eWhat is supplied?\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eOne SMK Allterra X-Sprint GL231 motocross helmet\u003c\/li\u003e\n\u003cli\u003eFitted adjustable and removable peak\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eMX goggles are not included and should be selected separately for the rider's face shape and riding conditions.\u003c\/p\u003e\n\u003ch2\u003eQuestions and answers\u003c\/h2\u003e\n\u003ch3\u003eIs the SMK Allterra road legal?\u003c\/h3\u003e\n\u003cp\u003eIt carries ECE 22.06 approval. Its open eyeport and peak are configured primarily for motocross and off-road riding, so suitable eye protection must be worn.\u003c\/p\u003e\n\u003ch3\u003eCan I use motocross goggles?\u003c\/h3\u003e\n\u003cp\u003eYes. The extra-wide aperture is designed to hold MX goggles securely while maintaining a broad field of view.\u003c\/p\u003e\n\u003ch3\u003eCan the lining be washed?\u003c\/h3\u003e\n\u003cp\u003eYes. The comfort liner is removable and washable. Follow SMK's care instructions and allow it to dry naturally before refitting.\u003c\/p\u003e\n\u003ch2\u003eMoto Central fitting support\u003c\/h2\u003e\n\u003cp\u003eHelmet sizing is only a starting point because head shape and liner contact matter as much as circumference. Moto Central can help with fit in our Wolvey showroom, and the videos below explain how to measure correctly and recognise a helmet that is the right size but the wrong shape.\u003c\/p\u003e\n\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/6SYrUrc1Wag?si=lnmRCQy3LMOufMe4\" title=\"YouTube video player\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen\u003e\u003c\/iframe\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/EtwH1-6Sf5o?si=je__nN-70lkuud3c\" title=\"YouTube video player\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen\u003e\u003c\/iframe\u003e","brand":"SMK","offers":[{"title":"XS","offer_id":51754446979410,"sku":"753\/100010216601","price":74.99,"currency_code":"GBP","in_stock":true},{"title":"S","offer_id":51754447012178,"sku":"753\/100010216702","price":74.99,"currency_code":"GBP","in_stock":true},{"title":"M","offer_id":51754447044946,"sku":"753\/100010216803","price":74.99,"currency_code":"GBP","in_stock":true},{"title":"L","offer_id":51754447077714,"sku":"753\/100010216904","price":74.99,"currency_code":"GBP","in_stock":true},{"title":"XL","offer_id":51754447110482,"sku":"753\/100010217005","price":74.99,"currency_code":"GBP","in_stock":true},{"title":"XXL","offer_id":51754447143250,"sku":"753\/100010217106","price":74.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0895\/0412\/1170\/files\/29382-753_10001021660_a-1-3-600.jpg?v=1760435303"},{"product_id":"smk-allterra-x-sprint-gl257-blue-red-black-white","title":"SMK Allterra X-Sprint GL257 Blue \/ Red \/ Black \/ White Motocross Helmet","description":"\u003cp\u003eThe \u003cstrong\u003eSMK Allterra X-Sprint GL257 Blue \/ Red \/ Black \/ White Motocross Helmet\u003c\/strong\u003e is a purpose-built off-road helmet for motocross, trail and enduro riding. This Blue \/ Red \/ Black \/ White version combines SMK's goggle-friendly Allterra design with current ECE 22.06 approval, secure Double-D fastening and a removable peak.\u003c\/p\u003e\n\u003ch2\u003eOff-road protection and comfort\u003c\/h2\u003e\n\u003cp\u003eSMK uses two outer injected EIRT shell sizes across the Allterra range to balance impact protection with a comfortable fit. The open eyeport is deliberately wide to accept MX goggles and preserve a broad view of the track, while the peak can be adjusted or removed to suit the rider and conditions.\u003c\/p\u003e\n\u003cp\u003eMultiple intake vents feed a channelled airflow system with rear exhausts. Inside, the breathable hypoallergenic liner is removable and washable, with moisture-management and antistatic properties for repeated off-road use.\u003c\/p\u003e\n\u003ch2\u003eKey features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eECE 22.06 approved off-road motorcycle helmet\u003c\/li\u003e\n\u003cli\u003eEnergy Impact Resistant Thermoplastic (EIRT) shell construction\u003c\/li\u003e\n\u003cli\u003eTwo outer shell sizes across the model range\u003c\/li\u003e\n\u003cli\u003ePadded Double-D ring chin-strap fastening\u003c\/li\u003e\n\u003cli\u003eAdjustable and removable sun peak\u003c\/li\u003e\n\u003cli\u003eExtra-wide eye aperture designed for MX goggles\u003c\/li\u003e\n\u003cli\u003eMultiple air intakes with channelled rear exhaust ventilation\u003c\/li\u003e\n\u003cli\u003eRemovable, washable and hypoallergenic comfort liner\u003c\/li\u003e\n\u003cli\u003eMoisture-management and antistatic interior fabric\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTechnical specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eSMK\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003ctd\u003eAllterra X-Sprint\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eManufacturer colour code\u003c\/th\u003e\n\u003ctd\u003eGL257\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eColourway\u003c\/th\u003e\n\u003ctd\u003eBlue \/ Red \/ Black \/ White\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHelmet type\u003c\/th\u003e\n\u003ctd\u003eMotocross and off-road\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eShell\u003c\/th\u003e\n\u003ctd\u003eInjected EIRT thermoplastic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eApproval\u003c\/th\u003e\n\u003ctd\u003eECE 22.06\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFastening\u003c\/th\u003e\n\u003ctd\u003ePadded Double-D ring\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePeak\u003c\/th\u003e\n\u003ctd\u003eAdjustable and removable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eEye protection\u003c\/th\u003e\n\u003ctd\u003eOpen goggle aperture; goggles are not included\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eInterior\u003c\/th\u003e\n\u003ctd\u003eRemovable, washable, hypoallergenic, moisture-managing and antistatic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eSMK helmet size guide\u003c\/h2\u003e\n\u003cp\u003eMeasure around the widest part of the head, above the eyebrows and ears. Use the measurement as a starting point and check that the helmet sits evenly and snugly without pressure points or gaps.\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSize\u003c\/th\u003e\n\u003cth\u003eHead circumference\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eXS\u003c\/td\u003e\n\u003ctd\u003e54 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eS\u003c\/td\u003e\n\u003ctd\u003e55 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eM\u003c\/td\u003e\n\u003ctd\u003e57 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eL\u003c\/td\u003e\n\u003ctd\u003e59 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eXL\u003c\/td\u003e\n\u003ctd\u003e61 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eXXL\u003c\/td\u003e\n\u003ctd\u003e62 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eWhat is supplied?\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eOne SMK Allterra X-Sprint GL257 motocross helmet\u003c\/li\u003e\n\u003cli\u003eFitted adjustable and removable peak\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eMX goggles are not included and should be selected separately for the rider's face shape and riding conditions.\u003c\/p\u003e\n\u003ch2\u003eQuestions and answers\u003c\/h2\u003e\n\u003ch3\u003eIs the SMK Allterra road legal?\u003c\/h3\u003e\n\u003cp\u003eIt carries ECE 22.06 approval. Its open eyeport and peak are configured primarily for motocross and off-road riding, so suitable eye protection must be worn.\u003c\/p\u003e\n\u003ch3\u003eCan I use motocross goggles?\u003c\/h3\u003e\n\u003cp\u003eYes. The extra-wide aperture is designed to hold MX goggles securely while maintaining a broad field of view.\u003c\/p\u003e\n\u003ch3\u003eCan the lining be washed?\u003c\/h3\u003e\n\u003cp\u003eYes. The comfort liner is removable and washable. Follow SMK's care instructions and allow it to dry naturally before refitting.\u003c\/p\u003e\n\u003ch2\u003eMoto Central fitting support\u003c\/h2\u003e\n\u003cp\u003eHelmet sizing is only a starting point because head shape and liner contact matter as much as circumference. Moto Central can help with fit in our Wolvey showroom, and the videos below explain how to measure correctly and recognise a helmet that is the right size but the wrong shape.\u003c\/p\u003e\n\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/6SYrUrc1Wag?si=lnmRCQy3LMOufMe4\" title=\"YouTube video player\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen\u003e\u003c\/iframe\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/EtwH1-6Sf5o?si=je__nN-70lkuud3c\" title=\"YouTube video player\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen\u003e\u003c\/iframe\u003e","brand":"SMK","offers":[{"title":"XS","offer_id":51754447176018,"sku":"753\/100010748901","price":74.99,"currency_code":"GBP","in_stock":true},{"title":"S","offer_id":51754447208786,"sku":"753\/100010749002","price":74.99,"currency_code":"GBP","in_stock":true},{"title":"M","offer_id":51754447241554,"sku":"753\/100010749103","price":74.99,"currency_code":"GBP","in_stock":true},{"title":"L","offer_id":51754447274322,"sku":"753\/100010749204","price":74.99,"currency_code":"GBP","in_stock":true},{"title":"XL","offer_id":51754447307090,"sku":"753\/100010749305","price":74.99,"currency_code":"GBP","in_stock":true},{"title":"XXL","offer_id":51754447339858,"sku":"753\/100010749406","price":74.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0895\/0412\/1170\/files\/29384-753_10001074890_a-1-3-600.jpg?v=1760435305"},{"product_id":"smk-allterra-x-sprint-gl921-black-pink-white","title":"SMK Allterra X-Sprint GL921 Black \/ Pink \/ White Motocross Helmet","description":"\u003cp\u003eThe \u003cstrong\u003eSMK Allterra X-Sprint GL921 Black \/ Pink \/ White Motocross Helmet\u003c\/strong\u003e is a purpose-built off-road helmet for motocross, trail and enduro riding. This Black \/ Pink \/ White version combines SMK's goggle-friendly Allterra design with current ECE 22.06 approval, secure Double-D fastening and a removable peak.\u003c\/p\u003e\n\u003ch2\u003eOff-road protection and comfort\u003c\/h2\u003e\n\u003cp\u003eSMK uses two outer injected EIRT shell sizes across the Allterra range to balance impact protection with a comfortable fit. The open eyeport is deliberately wide to accept MX goggles and preserve a broad view of the track, while the peak can be adjusted or removed to suit the rider and conditions.\u003c\/p\u003e\n\u003cp\u003eMultiple intake vents feed a channelled airflow system with rear exhausts. Inside, the breathable hypoallergenic liner is removable and washable, with moisture-management and antistatic properties for repeated off-road use.\u003c\/p\u003e\n\u003ch2\u003eKey features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eECE 22.06 approved off-road motorcycle helmet\u003c\/li\u003e\n\u003cli\u003eEnergy Impact Resistant Thermoplastic (EIRT) shell construction\u003c\/li\u003e\n\u003cli\u003eTwo outer shell sizes across the model range\u003c\/li\u003e\n\u003cli\u003ePadded Double-D ring chin-strap fastening\u003c\/li\u003e\n\u003cli\u003eAdjustable and removable sun peak\u003c\/li\u003e\n\u003cli\u003eExtra-wide eye aperture designed for MX goggles\u003c\/li\u003e\n\u003cli\u003eMultiple air intakes with channelled rear exhaust ventilation\u003c\/li\u003e\n\u003cli\u003eRemovable, washable and hypoallergenic comfort liner\u003c\/li\u003e\n\u003cli\u003eMoisture-management and antistatic interior fabric\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTechnical specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eSMK\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003ctd\u003eAllterra X-Sprint\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eManufacturer colour code\u003c\/th\u003e\n\u003ctd\u003eGL921\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eColourway\u003c\/th\u003e\n\u003ctd\u003eBlack \/ Pink \/ White\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHelmet type\u003c\/th\u003e\n\u003ctd\u003eMotocross and off-road\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eShell\u003c\/th\u003e\n\u003ctd\u003eInjected EIRT thermoplastic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eApproval\u003c\/th\u003e\n\u003ctd\u003eECE 22.06\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFastening\u003c\/th\u003e\n\u003ctd\u003ePadded Double-D ring\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePeak\u003c\/th\u003e\n\u003ctd\u003eAdjustable and removable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eEye protection\u003c\/th\u003e\n\u003ctd\u003eOpen goggle aperture; goggles are not included\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eInterior\u003c\/th\u003e\n\u003ctd\u003eRemovable, washable, hypoallergenic, moisture-managing and antistatic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eSMK helmet size guide\u003c\/h2\u003e\n\u003cp\u003eMeasure around the widest part of the head, above the eyebrows and ears. Use the measurement as a starting point and check that the helmet sits evenly and snugly without pressure points or gaps.\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSize\u003c\/th\u003e\n\u003cth\u003eHead circumference\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eXS\u003c\/td\u003e\n\u003ctd\u003e54 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eS\u003c\/td\u003e\n\u003ctd\u003e55 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eM\u003c\/td\u003e\n\u003ctd\u003e57 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eL\u003c\/td\u003e\n\u003ctd\u003e59 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eXL\u003c\/td\u003e\n\u003ctd\u003e61 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eXXL\u003c\/td\u003e\n\u003ctd\u003e62 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eWhat is supplied?\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eOne SMK Allterra X-Sprint GL921 motocross helmet\u003c\/li\u003e\n\u003cli\u003eFitted adjustable and removable peak\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eMX goggles are not included and should be selected separately for the rider's face shape and riding conditions.\u003c\/p\u003e\n\u003ch2\u003eQuestions and answers\u003c\/h2\u003e\n\u003ch3\u003eIs the SMK Allterra road legal?\u003c\/h3\u003e\n\u003cp\u003eIt carries ECE 22.06 approval. Its open eyeport and peak are configured primarily for motocross and off-road riding, so suitable eye protection must be worn.\u003c\/p\u003e\n\u003ch3\u003eCan I use motocross goggles?\u003c\/h3\u003e\n\u003cp\u003eYes. The extra-wide aperture is designed to hold MX goggles securely while maintaining a broad field of view.\u003c\/p\u003e\n\u003ch3\u003eCan the lining be washed?\u003c\/h3\u003e\n\u003cp\u003eYes. The comfort liner is removable and washable. Follow SMK's care instructions and allow it to dry naturally before refitting.\u003c\/p\u003e\n\u003ch2\u003eMoto Central fitting support\u003c\/h2\u003e\n\u003cp\u003eHelmet sizing is only a starting point because head shape and liner contact matter as much as circumference. Moto Central can help with fit in our Wolvey showroom, and the videos below explain how to measure correctly and recognise a helmet that is the right size but the wrong shape.\u003c\/p\u003e\n\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/6SYrUrc1Wag?si=lnmRCQy3LMOufMe4\" title=\"YouTube video player\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen\u003e\u003c\/iframe\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/EtwH1-6Sf5o?si=je__nN-70lkuud3c\" title=\"YouTube video player\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen\u003e\u003c\/iframe\u003e","brand":"SMK","offers":[{"title":"XS","offer_id":51754447438162,"sku":"753\/100010217801","price":74.99,"currency_code":"GBP","in_stock":true},{"title":"S","offer_id":51754447470930,"sku":"753\/100010217902","price":74.99,"currency_code":"GBP","in_stock":true},{"title":"M","offer_id":51754447503698,"sku":"753\/100010218003","price":74.99,"currency_code":"GBP","in_stock":true},{"title":"L","offer_id":51754447536466,"sku":"753\/100010218104","price":74.99,"currency_code":"GBP","in_stock":true},{"title":"XL","offer_id":51754447569234,"sku":"753\/100010218205","price":74.99,"currency_code":"GBP","in_stock":true},{"title":"XXL","offer_id":51754447602002,"sku":"753\/100010218306","price":74.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0895\/0412\/1170\/files\/29383-753_10001021780_a-1-3-600.jpg?v=1760435306"},{"product_id":"smk-allterra-x-sprint-ma261-black-anthracite-grey","title":"SMK Allterra X-Sprint MA261 Black \/ Anthracite \/ Grey Motocross Helmet","description":"\u003cp\u003eThe \u003cstrong\u003eSMK Allterra X-Sprint MA261 Black \/ Anthracite \/ Grey Motocross Helmet\u003c\/strong\u003e is a purpose-built off-road helmet for motocross, trail and enduro riding. This Black \/ Anthracite \/ Grey version combines SMK's goggle-friendly Allterra design with current ECE 22.06 approval, secure Double-D fastening and a removable peak.\u003c\/p\u003e\n\u003ch2\u003eOff-road protection and comfort\u003c\/h2\u003e\n\u003cp\u003eSMK uses two outer injected EIRT shell sizes across the Allterra range to balance impact protection with a comfortable fit. The open eyeport is deliberately wide to accept MX goggles and preserve a broad view of the track, while the peak can be adjusted or removed to suit the rider and conditions.\u003c\/p\u003e\n\u003cp\u003eMultiple intake vents feed a channelled airflow system with rear exhausts. Inside, the breathable hypoallergenic liner is removable and washable, with moisture-management and antistatic properties for repeated off-road use.\u003c\/p\u003e\n\u003ch2\u003eKey features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eECE 22.06 approved off-road motorcycle helmet\u003c\/li\u003e\n\u003cli\u003eEnergy Impact Resistant Thermoplastic (EIRT) shell construction\u003c\/li\u003e\n\u003cli\u003eTwo outer shell sizes across the model range\u003c\/li\u003e\n\u003cli\u003ePadded Double-D ring chin-strap fastening\u003c\/li\u003e\n\u003cli\u003eAdjustable and removable sun peak\u003c\/li\u003e\n\u003cli\u003eExtra-wide eye aperture designed for MX goggles\u003c\/li\u003e\n\u003cli\u003eMultiple air intakes with channelled rear exhaust ventilation\u003c\/li\u003e\n\u003cli\u003eRemovable, washable and hypoallergenic comfort liner\u003c\/li\u003e\n\u003cli\u003eMoisture-management and antistatic interior fabric\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTechnical specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eSMK\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003ctd\u003eAllterra X-Sprint\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eManufacturer colour code\u003c\/th\u003e\n\u003ctd\u003eMA261\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eColourway\u003c\/th\u003e\n\u003ctd\u003eBlack \/ Anthracite \/ Grey\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHelmet type\u003c\/th\u003e\n\u003ctd\u003eMotocross and off-road\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eShell\u003c\/th\u003e\n\u003ctd\u003eInjected EIRT thermoplastic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eApproval\u003c\/th\u003e\n\u003ctd\u003eECE 22.06\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFastening\u003c\/th\u003e\n\u003ctd\u003ePadded Double-D ring\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePeak\u003c\/th\u003e\n\u003ctd\u003eAdjustable and removable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eEye protection\u003c\/th\u003e\n\u003ctd\u003eOpen goggle aperture; goggles are not included\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eInterior\u003c\/th\u003e\n\u003ctd\u003eRemovable, washable, hypoallergenic, moisture-managing and antistatic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eSMK helmet size guide\u003c\/h2\u003e\n\u003cp\u003eMeasure around the widest part of the head, above the eyebrows and ears. Use the measurement as a starting point and check that the helmet sits evenly and snugly without pressure points or gaps.\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSize\u003c\/th\u003e\n\u003cth\u003eHead circumference\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eXS\u003c\/td\u003e\n\u003ctd\u003e54 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eS\u003c\/td\u003e\n\u003ctd\u003e55 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eM\u003c\/td\u003e\n\u003ctd\u003e57 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eL\u003c\/td\u003e\n\u003ctd\u003e59 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eXL\u003c\/td\u003e\n\u003ctd\u003e61 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eXXL\u003c\/td\u003e\n\u003ctd\u003e62 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eWhat is supplied?\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eOne SMK Allterra X-Sprint MA261 motocross helmet\u003c\/li\u003e\n\u003cli\u003eFitted adjustable and removable peak\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eMX goggles are not included and should be selected separately for the rider's face shape and riding conditions.\u003c\/p\u003e\n\u003ch2\u003eQuestions and answers\u003c\/h2\u003e\n\u003ch3\u003eIs the SMK Allterra road legal?\u003c\/h3\u003e\n\u003cp\u003eIt carries ECE 22.06 approval. Its open eyeport and peak are configured primarily for motocross and off-road riding, so suitable eye protection must be worn.\u003c\/p\u003e\n\u003ch3\u003eCan I use motocross goggles?\u003c\/h3\u003e\n\u003cp\u003eYes. The extra-wide aperture is designed to hold MX goggles securely while maintaining a broad field of view.\u003c\/p\u003e\n\u003ch3\u003eCan the lining be washed?\u003c\/h3\u003e\n\u003cp\u003eYes. The comfort liner is removable and washable. Follow SMK's care instructions and allow it to dry naturally before refitting.\u003c\/p\u003e\n\u003ch2\u003eMoto Central fitting support\u003c\/h2\u003e\n\u003cp\u003eHelmet sizing is only a starting point because head shape and liner contact matter as much as circumference. Moto Central can help with fit in our Wolvey showroom, and the videos below explain how to measure correctly and recognise a helmet that is the right size but the wrong shape.\u003c\/p\u003e\n\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/6SYrUrc1Wag?si=lnmRCQy3LMOufMe4\" title=\"YouTube video player\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen\u003e\u003c\/iframe\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/EtwH1-6Sf5o?si=je__nN-70lkuud3c\" title=\"YouTube video player\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen\u003e\u003c\/iframe\u003e","brand":"SMK","offers":[{"title":"XS","offer_id":51754447667538,"sku":"753\/100010217201","price":74.99,"currency_code":"GBP","in_stock":true},{"title":"S","offer_id":51754447700306,"sku":"753\/100010217302","price":74.99,"currency_code":"GBP","in_stock":true},{"title":"M","offer_id":51754447733074,"sku":"753\/100010217403","price":74.99,"currency_code":"GBP","in_stock":true},{"title":"L","offer_id":51754447765842,"sku":"753\/100010217504","price":74.99,"currency_code":"GBP","in_stock":true},{"title":"XL","offer_id":51754447798610,"sku":"753\/100010217605","price":74.99,"currency_code":"GBP","in_stock":true},{"title":"XXL","offer_id":51754447831378,"sku":"753\/100010217706","price":74.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0895\/0412\/1170\/files\/29381-753_10001021720_a-1-3-600.jpg?v=1760435307"},{"product_id":"smk-allterra-x-sprint-ma627-grey-orange-black","title":"SMK Allterra X-Sprint MA627 Grey \/ Orange \/ Black Motocross Helmet","description":"\u003cp\u003eThe \u003cstrong\u003eSMK Allterra X-Sprint MA627 Grey \/ Orange \/ Black Motocross Helmet\u003c\/strong\u003e is a purpose-built off-road helmet for motocross, trail and enduro riding. This Grey \/ Orange \/ Black version combines SMK's goggle-friendly Allterra design with current ECE 22.06 approval, secure Double-D fastening and a removable peak.\u003c\/p\u003e\n\u003ch2\u003eOff-road protection and comfort\u003c\/h2\u003e\n\u003cp\u003eSMK uses two outer injected EIRT shell sizes across the Allterra range to balance impact protection with a comfortable fit. The open eyeport is deliberately wide to accept MX goggles and preserve a broad view of the track, while the peak can be adjusted or removed to suit the rider and conditions.\u003c\/p\u003e\n\u003cp\u003eMultiple intake vents feed a channelled airflow system with rear exhausts. Inside, the breathable hypoallergenic liner is removable and washable, with moisture-management and antistatic properties for repeated off-road use.\u003c\/p\u003e\n\u003ch2\u003eKey features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eECE 22.06 approved off-road motorcycle helmet\u003c\/li\u003e\n\u003cli\u003eEnergy Impact Resistant Thermoplastic (EIRT) shell construction\u003c\/li\u003e\n\u003cli\u003eTwo outer shell sizes across the model range\u003c\/li\u003e\n\u003cli\u003ePadded Double-D ring chin-strap fastening\u003c\/li\u003e\n\u003cli\u003eAdjustable and removable sun peak\u003c\/li\u003e\n\u003cli\u003eExtra-wide eye aperture designed for MX goggles\u003c\/li\u003e\n\u003cli\u003eMultiple air intakes with channelled rear exhaust ventilation\u003c\/li\u003e\n\u003cli\u003eRemovable, washable and hypoallergenic comfort liner\u003c\/li\u003e\n\u003cli\u003eMoisture-management and antistatic interior fabric\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTechnical specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eSMK\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003ctd\u003eAllterra X-Sprint\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eManufacturer colour code\u003c\/th\u003e\n\u003ctd\u003eMA627\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eColourway\u003c\/th\u003e\n\u003ctd\u003eGrey \/ Orange \/ Black\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHelmet type\u003c\/th\u003e\n\u003ctd\u003eMotocross and off-road\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eShell\u003c\/th\u003e\n\u003ctd\u003eInjected EIRT thermoplastic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eApproval\u003c\/th\u003e\n\u003ctd\u003eECE 22.06\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFastening\u003c\/th\u003e\n\u003ctd\u003ePadded Double-D ring\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePeak\u003c\/th\u003e\n\u003ctd\u003eAdjustable and removable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eEye protection\u003c\/th\u003e\n\u003ctd\u003eOpen goggle aperture; goggles are not included\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eInterior\u003c\/th\u003e\n\u003ctd\u003eRemovable, washable, hypoallergenic, moisture-managing and antistatic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eSMK helmet size guide\u003c\/h2\u003e\n\u003cp\u003eMeasure around the widest part of the head, above the eyebrows and ears. Use the measurement as a starting point and check that the helmet sits evenly and snugly without pressure points or gaps.\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSize\u003c\/th\u003e\n\u003cth\u003eHead circumference\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eXS\u003c\/td\u003e\n\u003ctd\u003e54 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eS\u003c\/td\u003e\n\u003ctd\u003e55 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eM\u003c\/td\u003e\n\u003ctd\u003e57 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eL\u003c\/td\u003e\n\u003ctd\u003e59 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eXL\u003c\/td\u003e\n\u003ctd\u003e61 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eXXL\u003c\/td\u003e\n\u003ctd\u003e62 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eWhat is supplied?\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eOne SMK Allterra X-Sprint MA627 motocross helmet\u003c\/li\u003e\n\u003cli\u003eFitted adjustable and removable peak\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eMX goggles are not included and should be selected separately for the rider's face shape and riding conditions.\u003c\/p\u003e\n\u003ch2\u003eQuestions and answers\u003c\/h2\u003e\n\u003ch3\u003eIs the SMK Allterra road legal?\u003c\/h3\u003e\n\u003cp\u003eIt carries ECE 22.06 approval. Its open eyeport and peak are configured primarily for motocross and off-road riding, so suitable eye protection must be worn.\u003c\/p\u003e\n\u003ch3\u003eCan I use motocross goggles?\u003c\/h3\u003e\n\u003cp\u003eYes. The extra-wide aperture is designed to hold MX goggles securely while maintaining a broad field of view.\u003c\/p\u003e\n\u003ch3\u003eCan the lining be washed?\u003c\/h3\u003e\n\u003cp\u003eYes. The comfort liner is removable and washable. Follow SMK's care instructions and allow it to dry naturally before refitting.\u003c\/p\u003e\n\u003ch2\u003eMoto Central fitting support\u003c\/h2\u003e\n\u003cp\u003eHelmet sizing is only a starting point because head shape and liner contact matter as much as circumference. Moto Central can help with fit in our Wolvey showroom, and the videos below explain how to measure correctly and recognise a helmet that is the right size but the wrong shape.\u003c\/p\u003e\n\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/6SYrUrc1Wag?si=lnmRCQy3LMOufMe4\" title=\"YouTube video player\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen\u003e\u003c\/iframe\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/EtwH1-6Sf5o?si=je__nN-70lkuud3c\" title=\"YouTube video player\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen\u003e\u003c\/iframe\u003e","brand":"SMK","offers":[{"title":"XS","offer_id":51754447864146,"sku":"753\/100010749501","price":74.99,"currency_code":"GBP","in_stock":true},{"title":"S","offer_id":51754447896914,"sku":"753\/100010749602","price":74.99,"currency_code":"GBP","in_stock":true},{"title":"M","offer_id":51754447929682,"sku":"753\/100010749703","price":74.99,"currency_code":"GBP","in_stock":true},{"title":"L","offer_id":51754447962450,"sku":"753\/100010749804","price":74.99,"currency_code":"GBP","in_stock":true},{"title":"XL","offer_id":51754447995218,"sku":"753\/100010749905","price":74.99,"currency_code":"GBP","in_stock":true},{"title":"XXL","offer_id":51754448027986,"sku":"753\/100010750006","price":74.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0895\/0412\/1170\/files\/29385-753_10001074950_a-1-3-600.jpg?v=1760435311"},{"product_id":"smk-allterra-x-aces-gl253-red-mint-black","title":"SMK Allterra X-Aces GL253 Red \/ Mint \/ Black","description":"\u003ch2\u003eSMK Allterra X-Aces GL253 Red \/ Mint \/ Black\u003c\/h2\u003e\n\u003cp\u003eThe SMK Allterra X-Aces GL253 Red \/ Mint \/ Black is a purpose-built off-road helmet combining robust protection with contemporary style. The Allterra X-Aces GL253 Red \/ Mint \/ Black delivers the trusted Allterra safety standard thanks to its two outer injected EIRT shells, engineered for optimised impact absorption and a comfortable fit. Designed by motocross specialists for riders who push limits, this colourway stands out on the track with a vibrant red and mint contrast set against deep black elements.\u003c\/p\u003e\n\u003cp\u003eComfort is prioritised in the Allterra X-Aces GL253 Red \/ Mint \/ Black with a removable and washable hypoallergenic liner that manages moisture and resists static. Ventilation is excellent: a channelled system with multiple intake vents and exhausts ensures continuous airflow to keep you cool during intense sessions. The extra-wide eye port securely accommodates MX goggles, allowing a wide, unobstructed view of the trail. The adjustable peak is easy to set for sun protection and debris deflection, while the solid construction makes the Allterra suitable for both aggressive and recreational off-road riding.\u003c\/p\u003e\n\u003cp\u003eWhether you choose the Allterra for serious track performance or weekend trail rides, the Allterra X-Aces GL253 Red \/ Mint \/ Black offers a dependable balance of safety, comfort and distinctive styling.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eTwo outer injected EIRT shells for optimised impact protection and fit\u003c\/li\u003e\n\u003cli\u003eWashable, removable hypoallergenic liner with anti-moisture management and antistatic properties\u003c\/li\u003e\n\u003cli\u003eChannelled ventilation system with multiple air vents and exhausts for superior airflow\u003c\/li\u003e\n\u003cli\u003eExtra wide eye opening to securely host MX goggles and maximise field of view\u003c\/li\u003e\n\u003cli\u003eEasily removable and adjustable peak for sun and debris protection\u003c\/li\u003e\n\u003cli\u003eAvailable in striking red \/ mint \/ black colourway for standout track presence\u003c\/li\u003e\n\u003cli\u003eDesigned by MX experts for off-road performance and comfortable long-ride wear\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eSize Guide\u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cstyle\u003e\n    table {\n        width: 100%;\n        border-collapse: collapse;\n    }\n    th, td {\n        border: 1px solid #000000;\n        padding: 8px;\n        text-align: center;\n    }\n    th {\n        background-color: #0099ff;\n        color: #000000;\n    }\n    td {\n        background-color: #ffffff;\n        color: #000000;\n    }\n    @media only screen and (max-width: 600px) {\n        th, td {\n            font-size: 10px;\n        }\n    }\n\u003c\/style\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eXXS\u003c\/th\u003e\n\u003cth\u003eXS\u003c\/th\u003e\n\u003cth\u003eS\u003c\/th\u003e\n\u003cth\u003eM\u003c\/th\u003e\n\u003cth\u003eL\u003c\/th\u003e\n\u003cth\u003eXL\u003c\/th\u003e\n\u003cth\u003eXXL\u003c\/th\u003e\n\u003cth\u003e3XL\u003c\/th\u003e\n\u003cth\u003e4XL\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e52cm\u003c\/td\u003e\n\u003ctd\u003e54cm\u003c\/td\u003e\n\u003ctd\u003e55cm\u003c\/td\u003e\n\u003ctd\u003e57cm\u003c\/td\u003e\n\u003ctd\u003e59cm\u003c\/td\u003e\n\u003ctd\u003e61cm\u003c\/td\u003e\n\u003ctd\u003e62cm\u003c\/td\u003e\n\u003ctd\u003e64cm\u003c\/td\u003e\n\u003ctd\u003e65cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003chr\u003e\n\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/6SYrUrc1Wag?si=lnmRCQy3LMOufMe4\" title=\"YouTube video player\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen\u003e\u003c\/iframe\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/EtwH1-6Sf5o?si=je__nN-70lkuud3c\" title=\"YouTube video player\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen\u003e\u003c\/iframe\u003e","brand":"SMK","offers":[{"title":"XS","offer_id":53247250137426,"sku":"753\/ALL\/GL253\/01","price":79.99,"currency_code":"GBP","in_stock":false},{"title":"S","offer_id":53247250170194,"sku":"753\/ALL\/GL253\/02","price":79.99,"currency_code":"GBP","in_stock":false},{"title":"M","offer_id":53247250202962,"sku":"753\/ALL\/GL253\/03","price":79.99,"currency_code":"GBP","in_stock":false},{"title":"L","offer_id":53247250235730,"sku":"753\/ALL\/GL253\/04","price":79.99,"currency_code":"GBP","in_stock":true},{"title":"XL","offer_id":53247250268498,"sku":"753\/ALL\/GL253\/05","price":79.99,"currency_code":"GBP","in_stock":true},{"title":"XXL","offer_id":53247250301266,"sku":"753\/ALL\/GL253\/06","price":79.99,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0895\/0412\/1170\/files\/30962-753_all_gl253_a-1-3-600.jpg?v=1776680734"},{"product_id":"smk-allterra-x-aces-gl264-fluo-yellow-green-black","title":"SMK Allterra X-Aces GL264 Fluo Yellow \/ Green \/ Black","description":"\u003ch2\u003eSMK Allterra X-Aces GL264 Fluo Yellow \/ Green \/ Black\u003c\/h2\u003e\n\u003cp\u003eThe SMK Allterra X-Aces GL264 Fluo Yellow \/ Green \/ Black is a motocross helmet designed for off-road riders seeking lightweight protection, strong ventilation and clear goggle compatibility. The Allterra range is built on two injected EIRT outer shells to deliver optimised safety and a comfortable fit, and this vivid fluo colourway improves visibility on track and trail. The removable and washable hypoallergenic liner includes anti-moisture management and antistatic properties to keep riders fresh during long sessions, while the channelled ventilation system with multiple air vents and exhausts ensures consistent airflow in varied conditions.\u003c\/p\u003e\n\u003cp\u003eWith an extra wide eye opening the Allterra X-Aces GL264 accommodates MX goggles securely, giving riders an excellent view of the track and making the helmet an excellent choice for aggressive cross-country or motocross use. The adjustable, easily removable peak allows for quick set-up and adapts to different light conditions or body positions. Combining functionality and striking design, the SMK Allterra offers a dependable option for off-road enthusiasts who want a balance of comfort, ventilation and visual impact.\u003c\/p\u003e\n\u003ch3\u003eKey Features:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eConstructed with two outer injected EIRT shells for optimised protection and comfort\u003c\/li\u003e\n\u003cli\u003eWashable, removable hypoallergenic liner with anti-moisture management and antistatic properties\u003c\/li\u003e\n\u003cli\u003eChannelled ventilation system with multiple intake vents and exhausts for superior airflow\u003c\/li\u003e\n\u003cli\u003eExtra wide eye opening to securely host MX goggles and improve track visibility\u003c\/li\u003e\n\u003cli\u003eEasily removable and adjustable peak for adaptable protection and sun glare control\u003c\/li\u003e\n\u003cli\u003eAvailable in solid colours and strong graphic finishes; this GL264 fluo yellow\/green\/black colourway enhances visibility\u003c\/li\u003e\n\u003cli\u003eDesigned with off-road ergonomics in mind for aggressive riding positions and prolonged comfort\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eSize Guide\u003cbr\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cstyle\u003e\n    table {\n        width: 100%;\n        border-collapse: collapse;\n    }\n    th, td {\n        border: 1px solid #000000;\n        padding: 8px;\n        text-align: center;\n    }\n    th {\n        background-color: #0099ff;\n        color: #000000;\n    }\n    td {\n        background-color: #ffffff;\n        color: #000000;\n    }\n    @media only screen and (max-width: 600px) {\n        th, td {\n            font-size: 10px;\n        }\n    }\n\u003c\/style\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eXXS\u003c\/th\u003e\n\u003cth\u003eXS\u003c\/th\u003e\n\u003cth\u003eS\u003c\/th\u003e\n\u003cth\u003eM\u003c\/th\u003e\n\u003cth\u003eL\u003c\/th\u003e\n\u003cth\u003eXL\u003c\/th\u003e\n\u003cth\u003eXXL\u003c\/th\u003e\n\u003cth\u003e3XL\u003c\/th\u003e\n\u003cth\u003e4XL\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e52cm\u003c\/td\u003e\n\u003ctd\u003e54cm\u003c\/td\u003e\n\u003ctd\u003e55cm\u003c\/td\u003e\n\u003ctd\u003e57cm\u003c\/td\u003e\n\u003ctd\u003e59cm\u003c\/td\u003e\n\u003ctd\u003e61cm\u003c\/td\u003e\n\u003ctd\u003e62cm\u003c\/td\u003e\n\u003ctd\u003e64cm\u003c\/td\u003e\n\u003ctd\u003e65cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/6SYrUrc1Wag?si=lnmRCQy3LMOufMe4\" title=\"YouTube video player\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen\u003e\u003c\/iframe\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/EtwH1-6Sf5o?si=je__nN-70lkuud3c\" title=\"YouTube video player\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen\u003e\u003c\/iframe\u003e","brand":"SMK","offers":[{"title":"XS","offer_id":53247250334034,"sku":"753\/ALL\/GL264\/01","price":79.99,"currency_code":"GBP","in_stock":false},{"title":"S","offer_id":53247250366802,"sku":"753\/ALL\/GL264\/02","price":79.99,"currency_code":"GBP","in_stock":false},{"title":"M","offer_id":53247250399570,"sku":"753\/ALL\/GL264\/03","price":79.99,"currency_code":"GBP","in_stock":true},{"title":"L","offer_id":53247250432338,"sku":"753\/ALL\/GL264\/04","price":79.99,"currency_code":"GBP","in_stock":true},{"title":"XL","offer_id":53247250465106,"sku":"753\/ALL\/GL264\/05","price":79.99,"currency_code":"GBP","in_stock":true},{"title":"XXL","offer_id":53247250497874,"sku":"753\/ALL\/GL264\/06","price":79.99,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0895\/0412\/1170\/files\/30961-753_all_gl264_a-1-3-600.jpg?v=1776680734"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0895\/0412\/1170\/collections\/header-moto-central_a8585295-4f83-4d40-9845-047bbf7239a1.webp?v=1771346852","url":"https:\/\/www.motocentral.co.uk\/collections\/model_smk-allterra\/colour_yellow.oembed","provider":"Moto Central","version":"1.0","type":"link"}