95% Polyester and 5% Spandex. CUSHIONED SOLE – Light cushioned mens athletic socks protect from friction and provide impact protection where needed most. Not slipping down into your shoe. TAB & ARCH – Mens sport socks with heel tab prevent chafing and blisters from shoe contact. Arch support holds the sock in place, giving you firm but comfortable compression. MOISTURE WICKING – Mens workout socks absorb sweat to keep your feet cool and dry for all day long, providing much-needed breathability during all-season wear. ONE SIZE SOCKS – Fits for US men sock size 10-13 (shoe size 7-12). Shipped by FBA. Package: 6 pairs of mens low cut socks. We offer a 30-Day return policy if your order somehow falls short of your expectations. You have the option for a full-refund or an exchange of the item.