Flame resistant clothes,64% Viscose FR, 30% Conex, 5% Twaron 1% 145 gr / m2, Antistatic Shirt wearer's body; electric arc heat, pressure, molten particle, etc. It is certified according to the European standard of IEC 61482-2 and carries the CE mark. It performs at Class 1 (4kA) according to the standard of IEC / EN 61482-1-2.