The Assos RSR Winter Speed Booties seamlessly merge the speed-centric design of the summer model with essential winter protection and insulation. Featuring a zipper-free, aerodynamic fit, these booties utilize elastic, pre-mapped textiles for windproof, waterproof, and warm performance. They effortlessly layer with tights and deliver a zeroPressure, second-skin fit around the calf area, ensuring optimal comfort and efficiency during winter rides.