rehband rx knee support - 3mm - black - medium - 1 sleeve rehband rehband rx knee sleeve 3mmthis 3mm thick knee sleeve provides ideal support for high agility or endurance workouts.the construction of the product is build on a unique patent, securing its anatomical fit. the shape allows the product to follow the body’s motions. this creates a combined mental and physical frame to keep your body moving towards strength instead of injury. the knee support will guide your body in moving correctly without limiting muscle development around your knee.the rehband rx knee sleeve is classified as a medical device. it combines the key benefits stability, compression and warmth. stability offers a mental and physical feeling of safety. compression helps preventing injuries and increases your muscle memory of how to move correctly. warmth protects your joints and soft tissues from injury. together these elements improve your performance capability.benefits include3mm knee sleeve with patented anatomic constructionstays in place during workoutshigher muscle coordinationincreased joint stabilityreduced energy wastefast warm-up and retained temperaturerelief of knee pain