A patella protector assembly for use with an orthopedic device, wherein the patella protector assembly has a central shell, an upper shell slidably connected to the central shell, and a lower shell slidably connected to the central shell. The central shell includes a main shell and a flexible perimeter edge portion surrounding at least a section of the perimeter of the main shell. The perimeter edge portion has greater flexibility than the main shell. The upper and lower shells are arranged pivotally and telescopically relative to the central shell such that the central, upper and lower shells together form a continuous shell without gaps therebetween.