Ariat FR clothing is work-tough providing increased protection against electric arc and flash fire exposure. This black mask is the Ariat FR Polartec Balaclava. It features Polartec technology which give you dynamic flexibility resilient stretch moisture wicking highly breathable fabric and easy care. Cat 2 ATPV 15.0 NFPA 70E NFPA 2112 ASTM F1506 OSHA 29 CFR 1910.269 - 43% Rayon / 39% Modacrylic / 14% Para-Aramid / 4% Spandex - Machine Wash