BOceanic Viper Fins ReviewbP PP Oceanic Viper Fins PIdeal for all diving and snorkeling skill levelsPFlexible Power Thrust Channel directs water off the tip of the blade for improved power and efficiencyPPower Vents reduce stress while accelerating water over the bladePOversized blade produces increased thrust and propulsionPGenerous yet streamlined foot pocket fits a wide range of boot styles while significantly reducing dragP