The 1000 mile ultimate tactel anklet ladies socks are designed to provide runners with maximum comfort and the best possible fit while jogging and running and keep the feet fresh and cool due to moisture wicking tactel inner layer they are not only lightweight and durable but also breathable and supportive thanks to top venting and arch bracing and feature heel power technology to lock the foot in place and avoid slippage the socks guarantee blister free running and have been knitted to ankl