Comfortable black, tan nylon material. Improves blood flow and circulation. Comfortable, below the knee fit. Ideal for travel or everyday use. Machine wash and dry. Dimensions: 19L x 3.5W x 1H in.. Your feet, ankles, and calves will feel great when you're wearing the Evertone Pain Relief Compression Socks. These compression socks can help reduce swelling and enhance blood circulation. They look like regular black socks with brown accents.