The Assos RSR Speed Booties have been updated once again thanks to feedback from World Tour riders. These booties cover your shoes and cheat the wind to make every watt count. They have been tested consistently in the wind tunnel and provide a second skin fit to reduce overall drag. The new Windchannel Strips Lycra blend warp knit avoids folding or creasing and is more aero than bare skin. It is used on the toe and forefoot to reduce formerly heavy-drag areas. The heel and cuff have also been updated to become smoother and more streamlined. It is also waterproof so it can be worn in any conditions. The Assos RSR Speed Booties are a key component for race day.