Carhartt® delivers flame-resistant protection in a high-quality work jean. Made of midweight 11.75-oz. flame-resistant 100% cotton to protect you from burns caused by electric arc or flash fires. NFPA 70E compliant. Sits below the waist, has a full seat and thigh and 19" leg openings to fit over boots. Has arc-resistant snap closure at waist, brass zipper with Nomex® tape, multiple tool and utility pockets, reinforced back pockets and left leg utility band. Triple-stitched seams. Model# FRB13. Big style available in 52 and 54 waist (30 and 32 inseams only).