The Rocky Coronado is built for water operations. The fast-drying mesh upper with stretch collar offers faster drying times. The drainable Vibram Mega Grip outsole and speed drain polyurethane footbed and midsole allow for water to drain easily. Inside the shoe, the Eva insole has drainage vents as well for more efficient and faster drying. This shoe is built to fit majority of the fins in the marketplace. The reinforced Superfabric toe and heel help to prevent wear and tear when wearing with a fin. There s no need to change your shoes from ship to shore with the Rocky Coronado..