Made of ventilated limestone based neoprene interior that does not crack or crumble. Ultrashock lining that absorbs up to 26% of negative energy. Stretchable binding helps keep dirt out. A neo-plush exterior and 4 hook and loop closures including suspensory strap to allow full motion. Cut back front to allow perfect fit with professional's choice ballistic overreach, secure fit or quick-wrap bell boots. Conforms to horse legs.