ATPV Rating 20 cal/sq cm Arc Flash PPE Category 2 Areas Covered Mouth Closure Type Hook-and-Loop Color Black Features Flame Resistant Lining Flame Resistant Outer Shell Flame Resistant Winter Liner Mouthpiece Lining Material 40 Percent Cotton 60 Percent Modacrylic Cotton Material Trade Name 40 Percent Cotton Twill 60 Percent Modacrylic Cotton Size Universal Standards ASTM F1506 NFPA 70E