rehband rx knee support - 3mm - black - xlarge - 1 sleeve rehband 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 support 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. take your training to the next level with rehband rx knee support!