Waterproof: the fabric of the assault suit is waterproof on the basis of air permeability. Air permeability: in outdoor sports, the body will sweat and moisture can be discharged from the body. Windproof: the stormsuit can better protect against wind and cold. Warmth retention: according to the thickness of the stormsuit, the warmth retention changes with the thickness. Usage: the stormsuit is mainly used to protect against wind and rain, and is mostly used for outdoor sports.