The Heatrub technology utilises ‘double-loop’ barrel fabric which provides both heat insulation and ‘friction heating’. The extra-long bristles ensure a layer of warm air is retained around the neck, and even a the slightest oscillation and movement of these bristles activates the Heatrub technology which creates delivers a warm feeling, instantly.

• Body heat is sealed in like a standard baselayer.
• Innovated and designed to heat the user up instantly.
• Unlike a standard baselayer the unique fibres on the inside of the Ultimate rub against your skin to create comfortable, frictional heat.
• Incredible freedom of movement due to the stretchable nature of the fabric.
• Acrylic 68%, Nylon 21%, Polyester 2%, Wool 7% & Polyurethane 2%
• -10° Celsius thru 10° Celsius