13 straps are designed to surround and adjust to reduce knee bending resistance. 2Hook and loop straps can be attached to exterior point, not easy to fall off and fit for different people. 3Comfortable to dispel moisture, warm away cold, relieve knee discomfort and other symptoms. 4Self heating providing warm to your knee part, promote and improve local and systemic blood circulation. 5Made of high quality material, which is durable and portable.
