The R2 Oxygen compression calf sleeves are a must-have for all athletes willing to improve their performances while keeping a maximum level of comfort. Initially designed to meet the needs of our pro athletes racing in events as extreme as the IRONMAN® World championships in Kona, the R2 Oxygen are highly ventilated, ultra-light and exceptionally comfortable. They will be your best ally during intense efforts under extreme heat, whether it is on the trails, for a triathlon or a marathon. They bring a maximum of oxygenation to your calf muscles by combining the best Compressport’s technologies in only 11 grams of pure performance. The R2 Oxygen are ultra-fast drying and breathable thanks to the ventilation stripes directly woven into the compression. Your calves stay dry, fresh and protected. Made for the most extreme conditions, they will match the most demanding athletes expectations for intense and explosive performances! Now available in blood orange, they will perfectly match your Compressport running outfit.