100% Cotton mid-weight duck. Bonded polyester fiberfill insulation. Black taffeta lining. #5 antique brass 2- way leg zipper with exterior storm flap. Chest pockets with hook and loop closure flaps. Reinforced buttons on bib top. Two reinforced hip pockets. Two double utility pockets. Triple needle stitching. Locker Loop. Adjustable elastic shoulder straps. Double knee construction with clean out.