These 3mm Neoprene Boots are a fantastic deal for diving, snorkeling, beach dives, walking through tidal pools, and other water sports! Constructed of 3 MM Neoprene for comfort High top boot YKK Zipper on side of boot with zipper guard Black rubber traction sole Soft interior lining for comfort Glued and Blindstitch Construction inside and out for a watertight seal Great comfortable boot for Snorkeling, Scuba Diving, and Water Sports