Made of 11.75 oz., 100% cotton flame-resistant denim that sits slightly below the waist. Features relaxed-fitting seat and thigh, arc-resistant button closure at waist, and brass zipper fly with Nomex® zipper tape. Also offers reinforced back pockets, double-stitched main seams and leg openings that fit over boots. Arc rating: 15.2 cal/cm², CAT2. NFPA 70E and NFPA 2112 compliant.