Carhartt Men's Loose Fit Washed Duck Insulated Active Jacket. This jacket is made from 12-Ounce, 100% ring-spun cotton washed duck with a nylon lining quilted to 80g 3M Thinsulate insulation in the body, sleeves, and hood. It features an attached hood with low profile adjustment at the hood hem and updated lower front pockets with brushed tricot lining and reinforced bottoms. A pen stall is located in the wearer's right, lower front pocket.