Ski socks are a ski equipment that is easily overlooked, and its composition is greatly different from ordinary socks. Due to the use environment, ski socks have better warmth retention than ordinary socks. At the same time, the bottom of the ski socks has an exhaust groove, which can greatly increase the perspiration of the socks, reduce the evaporation of sweat, and indirectly improve the warmth retention. In addition, the ski socks also have an anti-wear layer, which reduces the friction between the soles of the feet and the ski shoes and prevents the feet from rubbing against the cheongsam. The support of ski socks is also one of the differences between other ordinary socks. It will woven a stable belt at the ankle to prevent damage to the ankle during strenuous exercise.