Give a nod to the past when you step out in the adidas(R) Men's Originals Trefoil Crew Socks 6 pack. With throwback flair, the Original Trefoil Socks are moisture-wicking athletic socks that lend optimal comfort and style. Their arch compression delivers a snug fit, while added cushioning keeps feet comfortable all day long. FEATURES: Cushioned athletic crew socks Moisture-wicking construction keeps feet cool and dry Arch compression lends a snug, secure fit Cushioning adds comfort and durability SIZE CHART: Sock Size: Small= Shoe Size: Women's 5.5-7.5 Sock Size: Medium = Shoe Size: Men's 6.5-9, Women's 8-10.5 Sock Size: Large = Shoe Size: Men's 9.5-12, Women's 10-12+ Sock Size: X Large = Shoe Size: Men's 16-20