Carhartt.com describes this item as: "One hard-working garment, our duck Detroit jacket is constructed of rugged 12-ounce, 100% cotton duck, and features a blanket lining in the body and quilted nylon lining in the sleeves. There’s a corduroy top collar with under-collar snaps to attach an optional hood. Inside, there’s a welt pocket and outside there are two large front pockets and a zippered left-chest pocket. The waist and cuffs are snap adjustable, and the bi-swing back makes for easier movement"