New Okamoto Socks Supplement: Socks That Feel Like a Heated Kotatsu. These socks use special technology to keep you warm. - Product Name: Socks That Feel Like a Heated Kotatsu - Size: 23-25cm - Technology: Warm Technology - Materials: Acrylic, Polyester, Others Color: Fairy Beige Limited Edition This is a new, unused item, but it has been stored at home by a private individual, so please be aware of this. Price is not negotiable. Thank you for looking.