Purchased at Ito-Yokado Regular underwear - Far infrared Five-finger socks Antibacterial and odor-resistant Made in Japan 24-27cm Also for men Women who prefer larger sizes can also wear them. Acrylic, Nylon Other Dark gray Not completely black. New, unused, stored at home For those who don't mind initial scratches and other minor details, thank you. It will take a few days to ship. I also have organic products, underwear, clothes, and accessories listed ↓ #Pen'sClothingList All products ↓ #Pen'sEntireList Due to shipping circumstances, the shipping method may change from Yu-Yu Mercari Bin to Raku-Raku Mercari Bin. The actual color may differ slightly from the image. It will take 3-4 days to ship. I also have GUNZE products listed. Ito-Yokado Also for those who like Uniqlo, Muji, and GU. Socks