UA Base™ 4.0 Men's ¼ Zip - Black

Warmth without bulk in our softest, smoothest men’s baselayer ¼ zip top yet. This second-skin men’s baselayer top, designed to be worn under your gear, is sweat-wicking, stretchy, and keeps muscles optimally warm. UA Base™ 4.0 is the warmest in our UA Base™ lineup, so wear this one when it’s the coldest.