ATHLETIC SOCKS: 12 pairs of comfortable socks perfect for basketball, running, gym, soccer, and more.SPORT SOCKS: Heel forms naturallyMEN CREW SOCKS: Features stay-up performance top, spandex for a better fit, extra cushioning for absorbing shock.COTTON SOCKS: Size 10-13 fits men shoe sizes 8-13QUALITY SOCKS: Made with 80% ringspun cotton, 15% polyester, and 5% spandex.