The Leatt X-Frame Knee Brace is manufactured from Injected Carbon Composite and has a 40% slimmer hinge on the inside to provide superior bike feel, the outer hinge has metal gears for durable and precise movement. A numbered strapping system for ease and different sized hinge pads are included with a low-profile shin plate all ensure the fit is perfect for you and above all comfortable. The X-Frame Knee Brace is made of Injected Carbon Composite and is the top-level cage-type knee brace in our range.