Weaver Leather Heavy-Duty Xtended Life Bell Boots Features Patent pending replaceable closure system ensures a snug fit and allows closures to replaced if broken Shock-absorbing EVA foam covered in 2520D ballistic nylon and microfiber with Kevlar (R) 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 Kevlar offers the perfect combination of strength and resistance to water, dirt, tearing and abrasion