Purchased from the official website. ■ Grant E One's BiBi GRANT Attivo High Socks ■ Size: L ■ Color: Black ■ Made in Japan ■ Unisex ■ Gradual compression design reduces pressure from the ankle This design promotes blood circulation, relieves swelling and fatigue in the legs, and tightens and firmly supports the legs. In addition, it uses a special material called far-infrared ray fiber, which keeps you comfortable even when you sweat in the summer and provides a pleasant warmth in the winter. It also regulates body temperature balance, which helps with health care. Recommended for those who have problems with cold feet or swelling in their legs. Unopened and unused. Ships within 24 hours Anonymous shipping Thank you for viewing. #BiBi #LALA #BodyShapingUnderwear