Made of 100% virgin neoprene that provides four-way stretch for ultimate flexibility. Suspensory rib ensures proper boot alignment. Perforated body allows heat to escape and the leg to breathe. Shock absorbing splint pad guards against crossfire and other scalping injuries. New Hook-and-loop closures with elastic reinforcement provide exceptional grip and durability. Helping prevent tears. Soft lycra inner layer cleans easily and dries quickly. New Exclusive Cradle Fetlock System provides maximum support to the fetlock. New Tough, elastic exterior fabric extends to the base of the boot to ensure a close, comfortable fit. Bound edges help keep dirt and debris out.