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.

Baselayer
Legging
Elastic waistband
Fitted fit
Working fly
Moisture wicking
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
Material wicks sweat & dries really fast
4-way stretch material moves better in every direction
Performance elastic waistband