This is the popular Okamoto series "Socks Supplement, Just Like a Kotatsu Ankle Warmer." Thanks to its unique knitting method, this product warms the "San'in-ko" acupressure point in the ankle, providing comfortable warmth to the entire body from the feet. ⋆┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈⋆ • Color: Medium Gray • Size: Free Size • Condition: New, Unused (Unopened) • Made in Japan ⋆┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈⋆ Product Features • The patented thermal stimulation design effectively combats coldness. • The soft, non-constricting material is suitable for sleeping, relaxing, and protecting against air conditioning while working at a desk. • The open-toe design prevents stuffiness and provides comfort. ⋆┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈⋆ Regarding Extras Those who purchase will receive some cosmetic samples. • Please purchase only if you understand that this item is stored at home. • When shipping, the item may be removed from its packaging and repackaged to reduce thickness (the packaging will be included). • Immediate purchase is possible.