Dickies Men's Sanded Stretch Duck Coverall Big 98% Cotton, 2% Spandex; Lining: 100% Polyester Imported Machine Wash Flex duck fabric for mobility and comfort Bi-swing back, articulated elbows and knees for freedom of movement Multiple tool and utility pockets, hammer loop Rib knit storm cuffs to keep the cold out, zip to mid-thigh with storm flap, double knee with cleanout bottoms to accommodate knee pads Secure chest pockets, corduroy collar