Carhartt Duck Detroit Jacket The original Detroit Jacket built a reputation for toughness on the backs of warehouse workers, farmhands and ranchers across America. With its signature corduroy collar and heavyweight fabric, this updated Detroit jacket is a rugged layer worthy of any job. 12-ounce, firm hand, 100% ring spun cotton duck canvas 100% polyester filling Wind Fighter technology tames wind Blanket-lined body for warmth Quilted nylon sleeve lining for easy on-and-off Corduroy-trimmed collar with hidden snaps for optional hood Two-way brass center-front zipper Left chest pocket with zipper closure Two interior pockets Two lower-front pockets Pleated bi-swing back Snap adjustable cuffs Carhartt-strong, triple-stitched main seams Carhartt label sewn on left pocket Relaxed fit