Men's insulated knit hat. Whether you're in a cold warehouse or fishing on the ice, this men's hat is built with insulation to keep you nice and warm. It's made of soft rib knit that isn't itchy. The Carhartt name is proudly embroidered on the front. 100% acrylic rib knit. 40g 3M(TM) Thinsulate(TM) Flex insulation for warmth without the weight. Carhartt embroidered on front.