Compressport R2 AERO Calf compression sleeves: the Compressport R2 Aero is designed for cycling and cycling races. The unique Aero strips and Aero-Dots reduce air resistance in the front of the sleeves. The ventilation zones in the back on the other hand help with excellent thermoregulation which keeps your legs in the best condition.The sleeves provide optimum muscle support. Wind tunnel testing has shown a 7-8 watt increase in power when riding with the sleeves compared to riding without them. Compressport R2 AERO