DRIFIRE CAT2 Flame Resistant Hi-Vis Lineman Vest Flame Resistant ASTM F1506, NFPA 70E, CAT3, Ebt 33 cal/cm2 Meets ANSI 107-Class 3 Hi-Vis requirements 7 oz. moisture repellent outer shell with moisture wicking insulation Mock turtleneck collar with covered sipper for no-rub comfort