9-oz. 100% organic cotton waxed canvas custom-developed with Halley Stevensons. 7-oz. 100% organic cotton twill lining. 7-oz. 100% organic cotton corduroy detailing. Zippered chest pocket. Two lower hand warmer pockets. Two expandable back pockets with button through flap. Button storm flap. Ideal two way separating zipper. Reinforced shoulder detailing. Action back. Button cuffs. Painted metal rivets and eyelets.