Ski suits must have wind proof, waterproof, warm keeping, moisture permeability, wear resistance and other properties on the fabric. Windproof, waterproof and warm keeping properties are the basic requirements of ski clothing fabrics, which can prevent the wearer from being harmed by the cold. As a sportswear, its ability to control water after strenuous exercise is the main factor affecting human comfort. Therefore, ski clothes also have the function of regulating body temperature and expelling sweat. With the rapid development of modern science and technology, fabrics can be both waterproof and windproof, which seems contradictory, and have the ability to penetrate water vapor.