UA Base 4.0 men's cold weather leggings are built for extreme cold weather and lower activity. Their unique pattern traps heat without adding bulk. Think long underwear, revamped for today's top athletes.
UA Base™ 4.0 Extreme Baselayer 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 you warm & comfortable
Material wicks sweat & dries really fast
4-way stretch construction moves better in every direction