The HEAT 1/4 ZIP TOP features revolutionary heat-activating yarn to keep you warm in all conditions. With moisture-wicking technology, quick-dry fabric and zero-static cling, BIO-HEAT X is the ultimate next-to-skin base layer for training in cold climates.

STAY WARM

Revolutionary ceramic-infused BIO-HEAT X fabric warms up with you to combat the cold.

STAY DRY

BIO-HEAT X fabric wicks sweat from the skin’s surface to keep you dry, with zero static cling.

BE SEEN

High-quality reflective trims provide visibility in low-light conditions.

NO SMELL

Antibacterial technology embedded at the yarn level works to keep you fresh and odour free.

Revolutionary BIO-HEAT X fabric keeps you warm in all conditions
BIO-HEAT X fabric wicks sweat away from the skin's surface
1/4 zip design lets you customise coverage and air flow
Reflectivity trims provide visibility in low-light conditions
Zero static cling
Thumbhole cuffs help keep your hands warm