The present invention is a knee brace includes a thigh sleeve that completely wrap around part of the thigh, a calf sleeve that completely wrap around part of the calf, and a pair of double hinges that positioned on both lateral and medial side of the knee. The thigh sleeve and the calf sleeve are removably mounted to each other through the pair of double hinges. The double hinges positioned on both side of the knee enables the user to move their leg without hinderance, but also prevent the user from hyperextending the knee in unwanted or damaging direction.