Okamoto's Socks Supplement, "Like a Kotatsu" "Sleep Switch" These are socks specifically for nighttime use, with open toes. For those who can't sleep because their feet are cold. Size: 22-25cm Color: Pink Price: 3500 yen Stored at home, unused, but the outer packaging has been discarded after opening, so I'm listing it as "Like New." Please purchase only if you agree with the above points. Rakuraku Mercari delivery, anonymous shipping. Thank you for looking.