Men's Ua Coldgear® Infrared Lightweight 1⁄4 Zip
ColdGear® Infrared technology uses a soft, thermo-conductive inner coating to absorb & retain your own body heat. Insanely soft, smooth fabric for total comfort, all day long. 4-way stretch construction moves better in every direction. Material wicks sweat & dries really fast. Anti-odor technology prevents the growth of odor-causing microbes. Smooth, chafe-free flatlock seam construction.