Thank you for viewing! ■ Grant E One's BiBi GRANT Attivo High Socks (1 sock) ■ Size: L ■ Color: Black ■ Condition: Brand new, unopened This is a brand new, unopened item purchased from the official website. Available for immediate purchase. Will ship within 24 hours. ■ Gradually reduces pressure from the ankle By adopting a graduated compression design, it promotes blood circulation, relieves swelling and fatigue in the legs, and firmly supports the legs by tightening them. In addition, it uses a special material called far-infrared ray fiber, allowing you to stay comfortable even when sweating in the summer, and enjoy a pleasant warmth in the winter. It also helps to regulate body temperature balance, which can contribute to health care.