13 ounce, 100% cotton flame-resistant duck. Full seat and thigh, multiple tool and utility pockets and hammer loop. Arc-resistant high-tension snap closure at waist. Bass zipper fly with Nomex® zipper tape. Two reinforced back pockets. Triple-stitched main seams and 19" leg openings to fit over work boots. NFPA 70 E compliant. Colours: brown and dark navy.