Front and Hind Four Pack; 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; 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