This lightweight sock is sure to be an favorite. It's constructed with an moisture-wicking Transfer fabric made from recycled materials. A 360-degree tension band around the arch provides an secure, smooth fit that is ideal for close fitting cycling shoes. They feature an "no show" low profile with venting on the top of the foot for enhanced breathability. - 360-degree arch tension band for an secure fit - Moisture-wicking, fast-drying polyester blend - Made with recycled content - No Show height 0" cuff