- ColdGear Infrared technology absorbs and retains heat
- Anti-odor technology keeps you smelling fresh
- High pile interior
The Extreme Base layers features ColdGear Infrared Technology with a soft, thermo-conductive inner coating to absorb and retain your own body heat to keep you warm. Anti-odor technology prevents the growth of odor causing microbes. Strategically placed 4-way stretch TEVO CGI panels add stretch and dump excess heat. Under Armour's warmest base layer keeps you comfortable even in the extreme chill of a cold treestand.