Functional Design: Thickening bottom can lower impact and friction on feet, achieve the effect of cushioned support Anti-slip pattern provides maximum interior traction underfoot Arch and ankle compression provide added stability and help reduce foot fatigue. All these designs can provide good cushioned support and protection for you while playing sports. .Premium Material: The are made of 75% cotton, 17% nylon, 8% Spandex. Good air permeability, moisture-conducting and dry, with Lmell good touch to play a hygienic and deodorant effect .Breathable and Keep Dry: Moisture-wicking cotton yarn and breathable mesh pulls perspiration away from the skin to help keep your feet stay dry and cool.Additional nylon and spandex made it being high-elastic and durable, greatly suitable for athletes and sports lovers. Our is suitable for all seasons wearing. .Widely Use: Very suitable for skiing, hiking, camping, mountaineering, cycling and other outdoor activities ( football, basketball and baseball ) or daily wear, keep warm. .Package Includes: 3 pairs sport including 3 colors(yellow, white, pink) One size suitable for EU39-45, knee height: 45cm/ 17.7inch, Suitable for most adult male and female. .