A knee brace divided into anterior and posterior sides by a frontal plane, and having first and second sides divided by a median plane. The knee brace including a frame having proximal and distal portions, a stability strap having first and second ends respectively connected to first and second sides on the proximal frame portion along the posterior side thereof, and a cross strap having a first end connected to the first side of the proximal and a second end connected to the distal frame portions. A bracket assembly having a buckle connects the stability and cross straps to the frame. A sleeve is provided which covers the frame and upon which the bracket assembly rests.