DescriptionLightweight Force Base Layer for cool weather.Features160GSM/4.7 oz, 97% Polyester, 3% Spandex, grid face and backRugged Flex® move you with you. FastDry® wicks away sweat. Fights odor. Strategically placed flatlock seams reduce chafingConcealed thumb loopTagless labelsLocker loopCountry of Origin: Imported