Weaver Leather Prodigy Sport Boots 2 Pack Variety of ColorsEngineered for your equine athlete, these horse boots underwent hours and hours of testing by industry professionals and a wide range of horses to fine tune the design for optimal performance Dynamic Sling System delivers superior support and protection to your horse's suspensory tendons and ligaments, reducing impact on the fetlock joint during the stage of your horse's stride when weight is absorbed Features a form fitting, shock absorbing EVA foam