Made of 8.5 oz. FR blend of 88% cotton/12% high-tenacity cotton. Sits slightly below the natural waist, has full seat and thigh, triple-stitched main seams, arc-resistant button closure at waist, and brass zipper fly with Nomex® FR zipper tape. Features (2) large side cargo pockets with pen slots and (2) reinforced back pockets. Leg openings fit over work boots. Arc rating: 12.1 cal/cm², CAT2. NFPA 70E and NFPA 2112 compliant.