Evolving their iconic calf sleeve, the Compressport R2 Calf Sleeves 3.0 in Fluo RedWhite Refl offer increased stability and reduced shock from training sessions to race day. The Compressport R2 Calf Sleeves 3.0 maintains the features of its predecessor like seamless multigradual compression, quick drying fabric and KProtect knee tab and adds in revolutionary details.New fibular stripes activate proprioception, which can help increase balance and stability, while targeted waffle knit areas promote microcirculation and lymphatic flow. What does this mean, it means it can help reduce shin splints and inflammation. They have also added reflective logos. Weight 34gImproved balance and stability through textured fibular stripes which stimulate proprioceptors, increasing grip and reducing the chance of sprained anklesHighlevel muscle support to the calves, decreasing the risk of injury and cramps through targeted 360degree compressionTargeted waffle knit zones promote microcirculation, reducing inflammation as well as stomach problems over long distance runs