NFPA® 2112. Arc Rating EBT 58 cal/cm2. Fabric is flame-resistant shell: 6 oz, 93% Nomex® Aramid/5% Kevlar® Aramid/2% Other Fiber Nomex® IIIA, insulation package: 9.3 oz, 100% Aramid, lining: 100% Meta-Aramid. This FR jacket has Nomex® taped brass zipper, welted-slash pockets, sleeve pocket.