The outershell of the new protective suit is made of PBI fabric, which will not be broken, contracted or torn under flames and extreme high temperatures, and has excellent tensile strength, durability and abrasion resistance; the waterproof and breathable layer, the heat-insulating layer, and the comfort layer are made of Gore's Parallon® system, which ensures good waterproof and breathable properties of the suit, and also provides the system with anti-blood-virus and body-fluid functions.