Pearl Izumi Transfer Air 7" Socks The ultimate summer performance sock The Pearl Izumi Transfer Air Socks are high-performance socks for warmer rides, with advanced features and a lightweight design to get you through the fastest rides in the hottest conditions. The Transfer Air Socks are constructed from an ultra-lightweight Transfer fabric, a recycled Olefin and Nylon blend that wicks away moisture and is quick to dry, with 8% Spandex for the right amount of stretch. These socks also feature a top-of-the-foot venting design that keeps the air moving and helps to evaporate moisture. The reinforced heel and toe offer increased durability and comfort, while the 360-degree arch tension band provides a secure fit with increased arch support. Take your hot weather rides further in the Pearl Izumi Transfer Air Socks. Features360-degree tension band surrounds the foot for a snug, comfortable fit Ultra-lightweight Transfer fabric an Olefin, nylon, and Spandex blend that wicks away moisture and dries quickly Low-profile design fits easily into tight-fitting cycling shoes Top of foot venting for increased airflow in hot weather7" cuff length for the ideal amount of coverage Sizing Size Small Medium Large Extra Large US Men N/A6-88-1010+US Women5-77-99+N/AEU35-3838. 5-4141-4444+ | Pearl Izumi | Transfer Air 7" Sock Men's | Size Small In White | Nylon