Introducing the Aqualung Rocket II Flex, Metal Buckle Diving Fins - the perfect choice for adventurous divers seeking unmatched performance and durability. These fins have been a favorite among military and professional divers for years, thanks to their innovative design and rugged construction. Crafted with the highest quality rubber, these fins are built to withstand the harshest environments, ensuring reliability in any dive. The Rocket II Flex features a classic vented blade design that has been beloved by traditionalists. This design not only provides exceptional propulsion and maneuverability underwater but also allows for quick and effortless surface swimming. Whether you're exploring coral reefs, diving in strong currents, or conducting underwater missions, these fins will meet and exceed your expectations. We've also improved the foot pocket of the Rocket II Flex, incorporating a quick-release buckle for easy and secure fitting. Say goodbye to cumbersome straps and hello to a hassle-free diving experience. Designed to accommodate a range of foot sizes, the Rocket II Flex is available in two sizes: Large (9-11) and Super (12+). With the flexibility to accommodate different foot shapes and sizes, these fins provide a comfortable fit for every diver. Experience the unmatched performance and durability of the Aqualung Rocket II Flex, Metal Buckle Diving Fins. Dive into your next adventure with confidence and make every underwater exploration unforgettable.