Darn few shirt jacs stack up to this one. In fact, it gives you a double helping of warming power thanks to hearty 8-oz. 100% cotton flannel outside plus light, comfy 200-gram 100% polyester fleece on the inside. Free-moving Reach Gussets® let you reach and stretch at will when splitting a cord of wood. Snap front, pockets and cuffs open easy. Now with hand-warmer pockets for parking cold paws plus chest pockets with hidden security and pencil pockets. This jac can hack it!