12.5-ounce, 98% Cotton/2% Spandex FR denim · Meets the performance requirements of NFPA 70E/ASTM F1506 · UL® classified to NFPA 2112 · Built to move with Rugged Flex® stretch technology · Sits below the waist · Comfortable fit through the seat and thigh with more room to move · Tapered leg opening · Brass zipper fly with Nomex® FR zipper tape · Arc-resistant button closure at waist · Stronger sewn-on-seam belt loop · Carhartt FR label sewn on back pocket · NFPA 2112/CAT 2 label sewn on waistband · Two reinforced back pockets · Imported