Ships from Hong Kong. This sports socks is a portable, functional and convenient for outdoor use. It is made of cotton&polyester . And it is soft, elastic, absorbent, washable and quick-dry. Ideal for your outdoor activities. Knee length can protect your calf and knee from being injured. The length of sock sole is 14cm, and the height is 30cm, suitable for the shoe size 13~3( US??of kids.