With their high-tech performance design, these men's adidas over-the calf socks are the perfect fit for all athletes.PRODUCT FEATURESOver-the-calf designCompression in the arches & anklesFlat knitLightweightFIT & SIZINGMedium fits 5-8.5 shoe sizesLarge fits 9-13 shoe sizesSize indicator on bottom of footbedFABRIC & CARENylon, latex rubberMachine washImportedPromotional offers available online at spahollow.com may vary from those offered in spahollow.com stores.