This black hood is universal size and is made out of aramid. It meets the standards for ANSI/ISEA 125 Level 2, Arc Flash Rating 76 cal/sq cm, NFPA 70E Arc Flash Category 4, CSA Z462 Category 5. It includes polycarbonate hard cap, ventilation system and features made from a proprietary blend of arc rated, inherently flame resistant, aramid fibres.