Eurosock® Men's extra-soft, flat knit, ultralite-weight, OTC-length sock is designed to satisfy skier who want to feel a perfect fit in the ski boots. The affordable price does not compromise any of the skier's expectations. MicroSupreme® and Nylon stretch fabric Elasticized arch and ankle support Ultra smooth knit Perfect adaptable contour No bunching Flat toe seam Size Chart: Small = Men's US Size 4 - 7; Euro Size 36 - 38 Medium = Men's US 7.5 - 9; Euro Size 39 - 41 Large = Men's US Size 9.5 - 11; Euro Size 42 - 44 XL = Men's US Size 11.5 - 14; Euro Size 45 -47 Product Features: Fabric:80% MicroSupreme®, 15% Nylon, 5% Spandex Eurosock Men's Ski Superlite OTC Sock