Stretchy nylon in black, blue, and white. Improves blood flow and circulation. Anklet design. Perfect for running or other exercise. Machine wash and dry. Dimensions: 9L x 32W x 1H in.. Improve running and other exercise by wearing these Evertone Pain Relief Running Compression Socks. These stylish white, black, and blue nylon socks combine medical-grade compression and support with enhanced comfort to help painful areas in your feet and ankles. They look like regular anklet socks and are conveniently machine washable.