Our flame-resistant twill work pant is designed to protect. Made of 9-ounce FR twill, a blend of 88% cotton/12% high-tenacity cotton, it sits slightly below the natural waist, has a full seat and thigh, triple-stitched main seams, arc-resistant button closure at waist, brass zipper fly with Nomex® FR zipper tape, two reinforced back welt pockets. Leg openings fit over work boots. NFPA 70E and NFPA 2112 compliant.