[Looking for the latest version? The men's CEP The Run Calf Sleeve 4.0 is available now.]The CEP Calf Sleeves 3.0 are designed to improve your workout. CEP spun the Calf Sleeves 3.0 from a new high-tech yarn for improved moisture management and better evaporation, which helps cool you down on hot days. The precision fit stays snugly around your calf, while compression helps improve circulation so you can keep moving forward. The stabilizing effect of the CEP Calf Sleeves 3.0 makes them ideal for runners, triathletes and anyone looking to go the distance.