Dive into a world of adventure with the TUSA SF-15 X-Pert Zoom Z3 Open Heel Scuba Diving Fins! Designed with an innovative three-material construction, these fins promise unmatched performance that leaves standard split fins in the dust. With TUSA's patented 27-degree angled blade design, every kick you make translates your energy directly into propulsion, enhancing your underwater experience. What sets the SF-15 apart is its advanced propeller-fin technology, maximizing efficiency and making your dives longer and more enjoyable. The specially engineered multi-compound foot pocket allows for seamless power transfer to the fin blade, ensuring that each movement is optimized for performance. It's all about making your diving experience as effortless and pleasurable as possible. The SF-15 fins have undergone over five years of research and development, culminating in a design that not only improves upon the highly acclaimed SF-8 X-Pert Zoom but also introduces exciting new features like reinforced blade rails and optimized blade scoops. These enhancements mean you can dive with less fatigue and reduced air consumption, enjoying the beauty beneath the waves longer than ever before!