This is the Tusa SS 5mm Dive Soft Sole Boot Scuba Diving Booties Features: 5mm neoprene boots Durable large tooth YKK zipper Hard injected molded soles for traction and protection Jersey interior provides added warmth Glued and sewn seams for durability Toe and heel caps optimize support Fin strap stopper with integrated sole Keeps feet warmer longer These 5mm neoprene boots feature a durable, large tooth YKK zipper and hard-injected molded soles to provide superior traction and protection underfoot. The jersey interior ensures additional warmth, while glued and sewn seams provide added durability, keeping your feet warmer for longer. Toe and heel caps maximize support and a fin strap stopper integrated into the sole helps keep fins in place.