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The only fin in the world to boast 8 patents. Thanks to the new patented O.P.B. (Optimized Pivoting Blade) system, guarantees 30% more efficiency than traditional fins, with a unique and quintessentially modern design. O.P.B. (Optimized Pivoting Blade) During the finning stroke, the structure of traditional fins tends to limit the flexing angle of the blade. As a result, and especially during the downward kick, only a small portion of the blade pushes the water in the direction of motion, while the remaining part pushes the water in the opposite direction. The O.P.B. system, patented by Mares and Dacor, ensures that the blade is always at an optimal angle during both the upward and downward strokes, thus considerably increasing efficiency. This ensures that all the divers muscular effort translates into effective thrust in the direction of motion. Another limitation of traditional fins is the degredation of the thrust produced during the finning stroke, with substantial differences between the maximum and minimum values. The O.P.B. system, on the other hand, ensures optimal thrust throughout every phase of the finning stroke, thereby minimizing fatigue and affording much more fluid movement through the water. Technical details Variable angle between the blade and foot pocket: 21° (+ 40° -30°) System of expandable inserts for regulating and optimizing the thrust angle Compact blade, incorporating the Channel Thrust Technology system, for optimal channeling of the fluid streams Stabilizers to eliminate ankle torsion phenomena Soft anatomical foot pocket, with ribbed insole for an improved fit and more efficient transmission of the kicking action Innovative technopolymers for maximum elastic return, high durability, light weight and resistance to aging Thermoplastic rubber coating on the ribs, for superior performance and maximum resistance to abrasion Differential thickened sections in the blade and foot pocket, optimized at every point through detailed computer-aided structural analysis. New ABS buckle, with slider catch system One color: tech silver
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