This flame-resistant duck work dungaree is made to last. Made of 13-ounce, 100-percent cotton flame-resistant duck, it has a full seat and thigh, multiple tool and utility pockets and hammer loop. It also features an arc-resistant high-tension snap closure at waist, brass zipper fly with nomex zipper tape, two reinforced back pockets, triple-stitched main seams and straight leg openings to fit over work boots. NFPA 70e and NFPA 2112 compliant. ,13-ounce, 100-percent cotton flame-resistant duck ,multiple tool and utility pockets ,nomex zipper tape