Over-molded flexible knee brace

A hinge brace comprising:

• a first cuff with a first flexible over-molding formed over a first medial hinge and a first lateral hinge, wherein the first medial hinge comprises:
• a first medial hinge arm and a first medial hinge plate with geared portions, and the first lateral hinge comprises:
• a first lateral hinge arm and a first lateral hinge plate with geared portions;
• and
• a second cuff with a second flexible over-molding formed over a second medial hinge and a second lateral hinge, wherein the second medial hinge comprises:
• a second medial hinge arm and a second medial hinge plate with geared portions, and the second lateral hinge comprises:
• a second lateral hinge arm and a second lateral hinge plate with geared portions,
• wherein the geared portions of the first medial hinge plate fit between the geared portions of the second medial hinge plate, and the geared portions of the first lateral hinge plate fit between the geared portions of the second lateral hinge plate, and
• wherein the first medial hinge and the second medial hinge are attached to a first top hub and a first bottom hub between a first top hub plate and a first bottom hub plate, and the first lateral hinge and the second lateral hinge are attached to a second top hub and a second bottom hub between a second top hub plate and a second bottom hub plate.