Safety doesn't have to come at the cost of comfort. These men's jeans hold up to NFPA 2112 and MFPA 70E standards while keeping you comfortable long beyond clock-out. They're made of FR denim with enough flex to bend, stretch, and move. The straight-leg jeans are cut for a relaxed fit, with extra room to move in the seat and thigh.12.5-ounce, 98% Cotton/2% Spandex FR denimMeets the performance requirements of NFPA 70E/ASTM F1506UL® classified to NFPA 2112Built to move with Rugged Flex stretch technologySits at the waistCloser-to-the-body fit through the seat and thigh with room to moveStraight leg openingBrass zipper fly with Nomex® FR zipper tapeArc-resistant button closure at waistStronger sewn-on-seam belt loopCarhartt FR label sewn on back pocket