The Veredus Young Jump Vento Fetlock Boots feature an anatomically shaped polyurethane impact-resistant shell and Aerox breathable neoprene padding. These horse boots are waterproof and have a Velcro double safety fastening. 3D channelled mesh fabric ensures that warm air is directed away from the horse's legs, thus helping to keep them cool during exercise. Features Protects your horses fetlocks. Mesh fabric to help keep legs cool . Waterproof and easy to clean. Comfortable neoprene. Easy to use, lightweight and flexible. Secure closure thanks to a double Velcro strap. C omplying with the International Rules for Young Horses classes . Available in Black or Brown. Size Guide Available in three sizes:Pony (Small), Full (Medium) or Extra Full (Large).