Fruit of the Loom Men's Classic Thermal Underwear:80% Polyester / 20% CottonFor moderately cold to cold conditionsSuper soft, natural touch waffle fabricMoisture wicking technologyHeat retentionSnug Spandex anklesElastic waistbandNatural stretch fabric that moves with youTag-free label for comfortMatching thermal shirt available (Underwear and Henley top)Available in Solids and HeatherAvailable in Extended Sizes ? Online OnlyAvailable in two-packs - Online OnlyMachine Washable