Remember to measure for the perfect fit. Help protect your horse with Stubben Hybrid Carbon Tendon Boots. These innovative boots combine the strength of carbon fiber with the unique properties of XRD Impact foam to help provide excellent protection for your equine companion. The boots’ living-hinge system, enhanced by a two-part injection-mold process, allows for better flexibility and movement, making these boots a significant advantage in helping to protect your horse’s tendons.