Under Armour ColdGear Base 4.0 Quarter-Zip Long Sleeve New Anatomical and non-deformable rigid heel

Anatomical and non-deformable rigid heel

Optimized gel padding

Double layer saddle

TruFeel® internal texture for heightened feel and control of levers

Under Armour ColdGear Base 4.0 Quarter-Zip Long Sleeve New Anatomical and non-deformable rigid heelUA Base 4. 0 is built for extreme cold weather and lower activity. It uses a unique pattern that's designed to trap heat without adding bulk. Think long underwear, revamped for today's top athletes. FEATURES UA Base 4. 0 Extreme Base layer is our warmest yet, delivering extreme warmth in the extreme cold UA Scent Control Technology to keep you undetected in all pursuits Soft, brushed grid interior traps air, managing your body's microclimate to keep