IST Bora Bora Scuba Diving and Spearfishing Fins (Blue, XXL)Efficient and powerful propulsion: The fins are engineered to provide excellent propulsion in the water, allowing divers to move efficiently and effortlessly. Durable construction: The fins are made from high quality materials that are built to withstand the rigors of underwater environments and resist wear and tear. Vented blade design: The fins feature a vented blade design that reduces drag and increases maneuverability, enhancing overall