Rocky Boots : Get $25 off Rocky Coronado Chukka Boot. The Rocky Coronado is built for water operations. The fast-drying mesh upper with stretch collar offers faster drying times. 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. 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.