These men's Carhartt FR jeans offer protection and comfort on the job. Made of flame-resistant denim with enough flex for easy movement. Cut for a relaxed fit that's comfortable through the seat and thigh, with a straight leg opening that fits over boots. 12.8-ounce, 98% cotton / 2% spandex FR denim. Meets the performance requirements of NFPA 70E and ASTM F1506. UL® classified to NFPA 2112. Built to move with Rugged Flex stretch technology. Relaxed fit: Comfortable fit through the seat and thigh with more room to move and a straight leg opening #Brass zipper fly with Nomex® FR zipper tape. Arc-resistant button closure at waist. Strong sewn-on-seam belt loops. NFPA 2112 / CAT 2 label sewn on waistband. Carhartt FR label sewn on back pocket. Two reinforced back pockets. Imported