"Tough Duck 100 cotton work garments are premium quality and are equipped with a number of standard features to stand up to tough jobsite conditions. This washed insulated overall features a waterproof seat and knees to keep you dry on the jobsite. Material 12-oz. 100 cotton duck, Pockets 4, Color Moss, Size L, Lining Nylon quilted w/6-oz. polyester insulation, Product Style 7537. Machine washable Seam-sealed waterproof seat Waterproof double knees Exclusive double front legs Heavy-duty 2 way leg zippers from ankle to hip Turned-under hem allows for 3in. extension Elasticized adjustable shoulder straps Chest pocket with pencil slot Loss-proof chest pocket for cell phone"