Muji, Ribbed Socks, Anti-Slip, 25-27cm, Set of 4. These are new and unused, but have been stored at home. Please consider this before purchasing. Price negotiations are not accepted. [Product Overview] - Designed to prevent the leg portion from slipping down. - Suppresses sweat odor. [Materials] - Polyurethane yarn is used in the leg portion for a comfortable fit. - Deodorizing yarn is used for the lining (inside) to help suppress sweat odor. [Specifications] - Thickness: Regular - Fit: Slightly fitted - Deodorizing: Yes [Highlights] - We have developed socks that are less likely to slip down by uniquely combining the types of surface yarn, lining yarn, and elastic yarn, as well as the knitting design pattern, to provide a comfortable fit around the calf.