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Just1

Just1 J40 Mission Red / Matt Grey

Regular price £149.99
Regular price Sale price £149.99
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Size
Size Guide
XS S M L XL XXL
53-54cm 55-56cm 57-58cm 59-60cm 61-62cm 63-64cm

Just1 J40 Mission Red / Matt Grey

The Just1 J40 Mission Red / Matt Grey helmet brings race-focused performance and refined style together for riders who demand protection and flair. The J40 Mission Red / Matt Grey model has been engineered to meet ECE 22.06 standards while offering a lightweight ABS shell and a shape optimised for comfort during long off-road sessions. The striking red and matt grey colourway gives the helmet a modern, aggressive look that complements both American and European off-road aesthetics.

Ventilation on the Just1 J40 Mission Red / Matt Grey is extensive, with five front intakes and six exhausts to maintain airflow and keep riders cool under pressure. The fully ventilated EPS-lined chin bar and integrated vented roost guard add practical protection without compromising breathability. Internally, the new lining fitting and Protx2_x0002_19 antimicrobial technology enhance comfort and hygiene, so the helmet feels fresh ride after ride.

Safety features on the Just1 J40 Mission Red / Matt Grey include the New Peak Release System and a Double D retention system for secure fastening. The helmet_x0002_s construction and lining treatments are focused on delivering consistent comfort and durability, while the overall design ensures the rider benefits from both modern safety performance and a race-ready appearance.

Whether you ride competitively or for weekend fun, the Just1 J40 Mission Red / Matt Grey offers a balanced mix of protection, ventilation and style designed for off-road environments. Its combination of homologation, advanced ventilation and comfortable inner lining make it a strong choice for riders seeking a dependable, well-ventilated helmet in a standout colourway.

Key Features:

  • ECE 22.06 homologation
  • ABS shell for lightweight impact resistance
  • New Peak Release System for safety and convenience
  • Double D retention system for secure fastening
  • New inner lining fitting for improved comfort
  • Protx2_x0002_19 antimicrobial technology for hygiene
  • New lining treatment to enhance durability
  • Fully ventilated EPS-lined chin bar
  • Integrated vented roost guard
  • 5 front air intakes and 6 rear exhausts for superior ventilation

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