For flame-resistant protection in a high-quality jean that’s built to last, Carhartt's flame-resistant denim dungaree is a great workwear choice. 11.75-ounce, 100% cotton FR denim. Loose original fit sits slightly above the waist. Full seat and thigh. Garment washed for a soft finish. Arc-resistant button closure at waist. Brass zipper fly with nomex® FR zipper tape. Multiple utility pockets. Left-leg utility band. Triple-stitched main seams for durability. Straight leg opening fits over boots. Carhartt FR label sewn on back pocket; NFPA 2112/cat 2 label sewn on front waistband. Meets the performance requirements of NFPA 70e and is ul® classified to NFPA 2112