The OS 1st KS7 Performance Knee Sleeve is the tool you need to help relieve nagging joint pain in the knee. Athletes who want to stay active while dealing with chronic knee pain, runners knee, or jumpers knee will enjoy the comfortable support from this sleek system. A graduated compression provides structure both above and below the patellar tendon to help alleviate discomfort and allow athletes to keep moving. Enhanced with Compression Zone Technology�, this sleeve is easy to store in your gym bag and thin enough to wear under clothing unlike other more bulky products. Can be worn comfortably under clothing during running or recovery. Helps reduce swelling and pressure, promotes better circulation in the knee. Helps ease patellar tendinitis related pain. Sleeve material is moisture-wicking for enhanced breathability.