... Aluminized Fabrics,Heat Insulation felt,cotton lining;Feathers:Fireproof,the radiant heat resistant:800 degree;short time flame contact ... :S,M,L,Usefullness:Protecting Fireman from the fire when they approach the fire,high temperature heat oven or burnt things ... .It is certified by GA634-2006<Fire Approach Suit Specification and Testing Method> the fire ...