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. Fit & Design: Extra cushioning at key pressure points delivers comfort where you need it most A dynamic arch band contours around the foot for a locked-in fit Ribbed traction at the forefoot helps reduce slipping inside the shoe Dri-FIT Technology helps you stay dry and comfortable *As described on Dick's Sporting Goods' website