This very comfortable sock can be worn for work or sport and provides extra support for your arch. Made of 80% Cotton, 17% Stretch Nylon & 3% Polypropylene. Wicking Action to take perspiration away from feet. One stretch size (10-13). White with Gray knit in arch support. Sold in Quantities of 6 only. NOTE: This sock provides extra support for your ARCH ONLY....this is NOT a traditional "Support Sock".Key Industries has manufactured top quality apparel, loaded with features, at great prices, for over 100 years. Key workwear has its roots with the farmers, railroad workers, loggers, carpenters, road pavers, bricklayers and others who need the best-made garments available.