Shell: 10 oz. 100% cotton duck Lining: Heavyweight insulation quilted to polyester taffeta Water-repellent finish and hidden knit storm cuffs keep you dry and warm Pleated elbows and action back extend range of motion Heavy-duty brass zipper with storm flap, reinforced bartacks at stress points and triple-needle stitched main seams keep up with the day's demands Three inside chest pockets, left with zipper closure, two chest pockets with hook/loop closure and two deep front pockets provide secure storage.