FRB004 - M FR Utility Denim Jean Carhartt's flame-resistant Relaxed Fit Utility Jean resists flames, not hard work. Constructed of rugged 14.75-ounce, 100% cotton FR denim, it features an arc-resistant button at the waist as well as a brass zipper with Nomex FR zipper tape. Built tough, it includes two reinforced back pockets and Carhartt strong double-stitched main seams. Comfortable, too, this jean comes garment washed for a soft finish, sits at the waist, and features a relaxed-fitting seat and thighs. Leg openings fit over work boots. Meets the performance requirements of NFPA 70E and is UL Classified to NFPA 2112 Carhartt FR Utility Denim Jean Relaxed Fit