This high-performance sock is constructed with an ultra-lightweight Transfer fabric made with an olefin blend that works quickly to move moisture away from your skin to speed evaporation. A 360-degree tension band around the arch provides an secure, smooth fit that is ideal for close fitting cycling shoes. It features an standard 7" cuff with venting on the top of the foot for enhanced breathability and an reinforced heel and toe for durability. FABRIC 58% nylon, 34% olefin, 8% spandex FEATURES a 360-degree arch tension band for an secure fit a Moisture-wicking, fast-drying light polyester blend a Made with recycled content a Calf height 7" cuff