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The first four-channel fin in the world, it outperforms traditional fin efficiency by 20%. The AVANTI concept (MARES patent) has taken a step forward: its four channels outperform traditional fin efficiency by 20%. Avanti Quattro fins feature blade stabilizers to improve kicking stability and get rid of any ankle-twisting phenomena. Rubberized side ribs (MARES patent) improve elasticity, thus maximizing resistance to cuts and abrasion. The inside of the anatomic foot-pocket features brand new ribs to improve fit and stiffen the sole. These ribs are made of TecraleneŽ, in the same colour as the blade. Straps come with the new ABS system. Plana Avanti Quattro outper-forms all other fins with its thrust, power, efficiency and fit. Its superiority has been demonstrated with the help of special testing equipment designed jointly with the Institute of Technology and Mechanics of Genoa University Technical details ABS adjustable binding system Ideal strap tension can be adjusted with one hand. Only one finger is used to release the side levers and free yuor foot. Even when fully open, the strap keeps its original adjustment. Simply press to close the lever. The foot is held in position. Two-side adjustment for perfect heel piece centring. Rubberized rib edges The edges of the side ribs, especially in long fins, are the areas undergoing the highest deformation, hence the greatest stress. By coating the rib edges with a special thermoplastic rubber, this critical area becomes more elastic and resistant to abrasion and cracking. In addition, this solution pro-vides higher ribs, thus further improving water channelling, while maintaining equal blade stiffness.
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