Get the best snorkelling experience with Ocean Reefs DUO II Fins. Great for both beginning and experienced snorkellers. Compact and Light for Easy Packing and Traveling. Unbeatable comfort thanks to ultra-soft high silicone flat-foot pocket. Easy wearing with with integrated one/hand don/release ring system designed into the anatomical rubber heel piece. DUO II Fins are proudly Made in Italy. THE BEST EXPERIENCE Get the best experience with Ocean Reef's easy-to-adjust DUO II Fins. High quality. Made in Italy with REACH certified materials. PERFORMANCE BLADE Performance blade, hydrodynamic shape: larger blade, with cetacean tail inspired design ensures better boost, while reducing drag and cramps. MAXIMUM COMFORT Adjustable open heel and rotating buckle with quick adjustment system easy to fit to selected size, prevents unwanted loosening and has a large adjustable range, suitable for different foot types. Quick release of the entire buckle thanks to the pin design.