These high socks provide firm compression at the ankles and strong compression on the calves, with graduated compression from ankle to calf to achieve slim, beautiful legs. They are suitable for a wide range of uses, including office work, sports, long journeys, shopping, and as school socks. ◆ Materials: Polyester, Nylon, Polyurethane ◆ Size: 23-25cm ◆ Country of Origin: China ◆ Color: Black ◆ Manufacturer: M&M Socks ◆ JAN Code: 4582193252825 ◆ Notes * Please read and follow the instructions for use on the package. * Product photos may differ slightly in design. * Sizes may vary slightly. * The color of the image may differ slightly depending on your screen environment. * Please understand that these products are made overseas before purchasing. * To prevent any problems, please refrain from purchasing if you are looking for a perfect product. Thank you for your understanding.