Heavyweight Athletic Sock for work or sport. Cotton Rich Blend of 85% Cotton & 15% Nylon. TWO COLORS: White or Gray. One stretch size (10-13). Sold in Packages of 6 per color only.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.