The Nike Elite Crew Basketball Socks offer a supportive fit and feel thanks to an arch band, while zonal cushioning helps absorb impact as you run the court. Exceptional Comfort Extra cushioning at key pressure points delivers comfort where you need it most. Secure Fit A dynamic arch band contours around the foot for a locked-in fit. Great Grip Ribbed traction at the forefoot helps reduce slipping inside the shoe. More Details 61% polyester/20% nylon/17% cotton/2% polyurethane Dri-FIT Technology helps you stay dry and comfortable Machine wash Imported Men’s 8-12 / Women’s 10-13 Measures about 20” in length