Made of 100% virgin neoprene that provides four-way stretch for ultimate flexibility; Provides maximum support and fits securely and cleanly; Hook-and-loop closures with elastic reinforcement provide exceptional grip and durability; Perforated body allows heat to escape and the leg to breathe; Soft lycra inner layer cleans easily and dries quickly; Suspensory rib position ensures proper boot alignment; Tough, elastic exterior fabric extends to the base of the boot to ensure a close, comfortable fit; Bound edges help keep dire and debris out