Visit Under Armour's eBay Shop About Seller Page Sign up For Newsletter From the Under Armour Store: HeatGear fabric, with all the benefits of UA Compression, comfortable enough to be worn all day 4-way stretch fabrication allows greater mobility in any direction Moisture Transport System wicks sweat away from the body Anti-odor technology prevents the growth of odor causing microbes UPF 30+ protects your skin from the sun s harmful rays Smooth, chafe-free flatlock seam construction 5.0 oz. Pol