Patent pending replaceable closure system ensures a snug fit and allows closures to be replaced if broken. Shock-absorbing EVA foam covered in 2520D ballistic nylon and microfiber with Kevlar for durability and extra protection from overreaching. Neoprene lining is shock-absorbing to protect hoof and coronet band. Specially-designed with an anatomical positioning bulb that helps prevent turning. Use in conjunction with athletic boots for maximum support and protection. Developed in partnership with Brett Mills, inventor, horseman and founder of R.E.S. Equine. Sold per pair.