8.5-ounce canvas: a blend of 88% cotton and 12% high-tenacity nylon ¿¿ 6-ounce twill face cloth lining ¿¿ Two lower-front pockets ¿¿ Two inside patch pockets with FR hook-and-loop closures ¿¿ Nomex¿¿ FR rib-knit cuffs and waistband ¿¿ Brass front zipper with Nomex¿¿ FR tape plus inside and outside protective fl aps with hook-and-loop closure for electric-arc protection ¿¿ Back length: Large Regular: 29 inches; Large Tall: 31 inches ¿¿ Carhartt FR label sewn on front pocket, HRC 2 label sewn on zipper fl ap ¿¿ Meets NFPA 70E standards ¿¿ Flame-resistant fabric by Mount Vernon Mills