This black arc flash hood is universal size and is made out of aramid. It meets the standards for NFPA 70E, CSA Z462, ASTM F1506, ASTM F2178, ANSI/ISEA Z87.1, ANSI/ISEA Z89.1, ANSI/ISEA 125. It includes a1 hard cap adapter and features made from a proprietary blend of arc rated, inherently flame resistant, aramid fibres.