The new Young Jump Absolute Carbon Gel fetlock boot is specifically approved for young horses by the International Federation and can also be used on horses of all ages. The inserts in carbon and Nitrexgel are wider to provide maximum protection of the fetlock. Anatomic shockproof polyurethane shell AEROX breathable neoprene padding Carbon protection + Nitrexgel 3D mesh ducted fabric 5 cm double velcro closure Sizes: Medium, Large