Carhartt"s heavyweight pullover is a must-have in colder weather. It’s made of 13-ounce, 80% cotton / 20% polyester fabric with spandex-reinforced rib-knit cuffs and waistband to keep the cold out. The attached three-piece jersey-lined hood with drawcord and front hand-warmer pockets are designed to keep you warm. Heather gray fiber content is 70% cotton / 30% polyester.