The Carhartt J140 Quiled Flannel Lined Duck Active Jacket for men is a top-seller in the workwear world. This work jacket is made in the USA, warm, versatile and rugged. Our Duck Active Jac is made of heavyweight 12-ounce, firm-hand, 100% ring-spun cotton duck The body and hood are lined with quilted flannel, and the sleeves are lined with quilted nylon. For added storage, there are also two inside pockets. Attached hood.