The new Compressport Pro Swiss calf sleeve utilises the very latest in compression technology as well as being the only calf sleeve that is 100% Swiss made.The Compressport Pro Racing Calf R2 Swiss calf guard boosts your venous return, reducing the accumulation of toxins while increasing oxygenation to the muscles. The ultra light Compressport fabric is designed for more effective venous return from the feet to the heart, considerably reducing the build up of toxins in the muscles, particularly during prolonged effort. Muscles benefit from improved oxygenation, helping to reduce the possibility of cramps and injuries. This allows for longer, higher impact sessions with less fatigue and quicker recovery. The Compressport fabric also optimises heat exchange and wicks away moisture, helping to regulate your body temperature.