The OS 1st QS4 Thigh Support provides the graduated compression athletes need to combat nagging injuries and get back to training. The Compression Zone Technology� helps relieve pain associated with Iliotibial Band Syndrome, hamstring weakness, quad strains, and helps deal with leg fatigue, promoting quicker recovery. This latex free sleeve is sleek enough to wear under clothing and is perfect for packing away in a travel or gym bag. Can be worn comfortably under clothing during running or for recovery. Helps reduce swelling and promotes better circulation. Helps ease pain related to IBS (Iliotibial Band Syndrome), strains of the quad, and hamstring weakness. Sleeve material is moisture-wicking for enhanced breathability.