Selling to organize my belongings. ☆ Shipping during the New Year's holiday will be after January 5th. Please check the details in the photos. These are cold-weather socks with a 4-layer construction, made with silk and cotton. It's a set of 4 pairs. Although they are new and unused, they have been stored for a long time. I've thrown away the detailed paper, but I believe they were: Silk 100% and Cotton 100%. I've forgotten the order in which to wear them, so please research it yourself. They are meant to be worn in alternating layers. Size: 22-25cm *Although they are unused, they have been stored for a long time, so I cannot guarantee their condition. Please understand this before purchasing. Only those who understand this are welcome to purchase.