Propulsion Scuba Diving Fins by SEAC. EUC. No flaws. These high-performance fins are designed for power and efficiency. Perfect for divers of all levels seeking comfort, control, and reliability underwater. Features Open Heel, Sling Bungee Strap, and Anatomical Foot Pocket. High Performance, for divers of all levels, suitable for all environments, tough at low temperatures, stress-crack and UV radiation resistant. The conveyor along the entire blade, prevents lateral water dispersion for greater propulsion with reduced muscular effort. Anatomical foot pocket, integrated with the fin blade for greater thrust, reducing fatigue and ankle twisting. The Sling strap in color coordinated to the blade, provides a comfortable fit for both wetsuit and drysuit boots or when wearing gloves. Color: Black Size Medium-Large (US Men's Size 9-10) Smoke free, Scent free home SEAC Propulsion Scuba Diving Open Heel Fins Black Size M-L