Multi-Purpose neoprene boot /shoe with puncture resistant sole, provides thermal protection and foot support for all your water activities. Available in 3mm - 5mm - 7mm.Tough, zip up uppers are glued and sewn to a high traction sole great for boat decks, sandy beaches and any wet or muddy surface. A WEB water-entry-barrier prevents water from easily flowing into the boot through the zipper. Heavy duty abrasion resistant thread.