This item will be shipped new, unused, and unopened. Purchased from the official website. Size: S Foot fatigue, coldness, and swelling are often caused by poor circulation, and swelling can make your legs look thicker. This product promotes blood circulation with a graduated compression design from the calf to the ankle, alleviating foot fatigue and swelling, and tightening the leg line for a slimmer appearance. The KODENSHI® fiber provides a warm and comfortable feel, protecting against coldness. Recommended for those who stand for long periods, overuse their legs, or are prone to swelling.