This item is new, unused, and unopened. It will be shipped as is. Purchased from the official website. Size: S Will ship within the same day or the next day after purchase. 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, relieving foot fatigue and swelling, and slimming the leg line. The Kohden-shi® fiber provides a warm and comfortable feel, protecting against coldness. Recommended for those who stand for long periods, use their legs extensively, or are prone to swelling.