ATPV Rating 17 cal/sq cm, Arc Flash PPE Category 2, Areas Covered Ears and Neck, Head, Color Black, Features Stands Up to Tough Environments, Garment Type Hard Hat Liner, Includes Lining Yes, Insulated for Cold Conditions Yes, Flame Resistant Liner, Lining Material Cotton Fleece Blend, Modacrylic, Material Trade Name 40 Percent Cotton, 60 Percent Modacrylic, Protection Type Cold-Condition Insulated, Size One Size, Standards ASTM F1506, NFPA 70E