Knee Brace C-Frame HybridThe C Frame Hybrid is a medically certified knee brace, complete with a Hybrid ReaFlex impact gel knee cup. The carbon chassis construction is super stiff for maximum control, and the three point force distribution greatly reduces forces to limit knee injuries. The C Frame chassis is designed with built in fracture points that break before you injure your shin or thigh bone. The inner knee provides superior bike feel, and the comfortable, low profile