High-performance Athletic Boots are engineered with a Dynamic Sling System that provides superior support and protection for your horse's suspensory tendons and ligaments. Keeping the needs of performance horses in mind, we built these boots from the finest materials for maximum shock-absorption to help prevent injuries and extend competitive careers. Features a form-fitting, shock-absorbing EVA foam design with neoprene liner and a stretchy binding for a snug fit that combines with darted edges to keep legs free from dirt.The design was fine-tuned by a wide range of industry professionals and horses over many hours of testing.