xo2 tendon boots navyLined with specially developed Air Liner, a highly breathable lining with perfect shock absorption. Improved streamlined fit based on the Form Follows Function principle, allowing the boot to seamlessly fit to the horse leg for unimpeded movement and protection. Ventilating shell produced using a self developed mould 10 percent lighter than the average tendon boot. Innovative design based on research. Horse tendons are extremely vulnerable and prone