13-ounce, 100% cotton FR duck. Sits at the natural waist. Full seat and thighs. Multiple tool and utility pockets. Two reinforced back pockets. Arc-resistant snap closure at waist. Brass zipper fly with Nomex FR zipper tape. Triple-stitched main seams. Leg openings fit over boots. Carhartt FR label sewn on back pocket, HRC 2 label sewn on front waistband. NFPA 70E and NFPA 2112 compliant. Flame-resistant fabric by Mount Vernon Mills. Imported.