As its name suggests, the Assos RSR Speed Sock is all about enhancing aerodynamic speed. These socks were developed with feedback from World Tour riders with the goal ditching the requirement of shoe covers. The exposed ankle and cuff feature the same material as the RSR Speed Booties and Gloves, helping you become fully aero. This Windchannel Strips Lycra blend warp knit avoids folding or creasing and is more aero than bare skin. The foot is more comfort-focused with moisture transportation and cooling comfort. This assures that you dont have to make any sacrifices for excellent aerodynamics on a high-effort ride. The Assos RSR Speed Socks are a key part of your aero road kit.