9-ounce, 98% cotton / 2% spandex canvas Meets the performance requirements of NFPA 70E UL® Classified to NFPA 2112 Built to move with Rugged Flex stretch technology Comfortable fit through the seat and thigh with more room to move and a straight leg opening Strong sewn-on-seam belt loops Right-leg secured cell phone pocket Left-leg utility pocket Carhartt FR and NFPA 2112/CAT 2 labels sewn on coin pocket
