Specialized Hydrogen Aero Tall Socks The Specialized Hydrogen Aero Tall Socks feature a rib knit cuff with an aerodynamic stripe pattern, providing a speed advantage without needing a special fabric to be sewn to the sock. This design allows for ultimate comfort in this high-performance category. It utilizes Vapor Rize(TM) Hydrogen yarns for an extremely lightweight construction and is soft against the skin, placing an emphasis on moisture transfer and minimizing friction. The Specialized Hydrogen Aero Tall Socks proves it is possible for comfort and ultimate performance to coexist in perfect harmony. Features Rib knit cuff has aerodynamic stripe pattern provides a speed advantage without needing a special fabric to be sewn to the sock. This allows for the ultimate comfort in this high-performance category. Vapor Rize(TM) Hydrogen yarns are extremely lightweight and soft against the skin, placing an emphasis on moisture transfer and minimizing friction. Power Band mid-foot arch supports the foot and secures the shape and fit where the foot needs it most. Vented mesh toe channel helps to keep things light and airy within the shoe. Targeted textured zone under forefoot reduces slip. 7" cuff height (size Medium)Sizing Size Small Medium Large Extra Large Men's US4 - 67 - 910 - 1213+Women's US5 - 78 - 1011 - 1314+Men's EU36 - 3940 - 4243 - 4546+ | Specialized | Hydrogen Aero Tall Socks Men's | Size Small In Black