The Woof Wear Double Lock Brushing Boot is an excellent daily use and competition brushing boot. Wide high-density double locking straps make this boot ideal for deep going and artificial surfaces. These boots offer protection against brushing and knocking. The 5.5 mm PX closed cell neoprene stays light and flexible even when wet. Small and Medium have 2 straps, and Large and X-L have 3 straps.