... Wearing 3.Impact Resistance 4.Anti-Penetration Fire Fighting Helmet: 1.ISO certificate 2.flame resistance,adjustable wearing 3 ... appear molten drop below 200 centigrade,Retractable PEI face mask,reflective strips,neck protection2.Characteristics: impact resistance, anti-penetration, ... of antisepsis,anti-edge impact,anti heat radialization, reflective and isolation China Standard Fire Fighting Helmet