A comfortable essential done the Carhartt way. This men's heavyweight thermal top is made of the perfect blend of waffle knit polyester and wool for easy-wearing warmth that wicks sweat and fights odor. This thermal base layer top gives you the range of motion and warmth you need when battling the seemingly unbearable cold weather days. FeaturesFabric: 190 GM/65 oz, 80% Polyester, 20% Wool, plaited Wool face,100% Polyester back, heatheredTechnology: Fast Dry® wicks away sweat Rugged Flex® moves with you Fights odorZip pocket on chestStrategically placed flatlock seams reduce chafingConcealed thumb loopHanging loop View matching Thermal PantModel No. UM0119-MCountry of Origin: Imported Carhartt Men's Base Layer Thermal Shirt - Force Heavyweight Synthetic-Wool Blend Black Heather L