11.75-ounce, 100% cotton FR denim Loose fit sits at the waist Generous fit through the seat and thigh with the most room to move 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 Straight leg opening 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