13-ounce 100% cotton FR duck - 11.5-ounce FR quilt lining: FR Modacrylic batting quilted to twill face cloth - Two inside patch pockets with FR hook-and-loop closure for convenient storage - Nomex FR rib-knit cuffs and waistband - Brass front zipper with Nomex zipper tape - Inside and outside protective flap with hook-and-loop closure for electric arc protection - Attached quilt lined three-piece hood with Nomex drawcord adjustment - Carhartt FR label sewn on front pocket; NFPA 2112/CAT 4 label sewn on zipper flap - Meets the performance requirements of NFPA 70E and is UL Classified to NFPA 2112 - Back length: Large Regular: 29 inches; Large Tall: 31 inches - CAT - 4 - ATPV(CAL/CM2) - 54.3 - Replaces style# FRJ184