UA Base 2.0 is built for cold weather and high activity levels. It uses a unique pattern that's designed to trap heat without adding bulk. Think long underwear, revamped for today's top athletes.
Material wicks sweat & dries really fast
UA Base™ 2.0 Active Baselayer is lightweight, flexible & breathable for high activity in cool conditions
4-way stretch construction moves better in every direction
Soft, brushed grid interior traps air, managing your body's microclimate to keep you warm & comfortable
Performance elastic waistband