The fins Cressi Frog Plus they are manufactured in a new low-module polypropylene variant which, together with its it combines a great flexibility, softness and resistance to demanding use, durability and a surprising aesthetics.
Its combination of 3 different materials ensures the optimization of each area of the fin without the need to increase thicknesses:
- A width of not more than 50 mm Its main feature is the very fast transfer of applied energy, facilitates a very agile flutter and a dizzying advance. In addition, it has great resistance to breakage.
- Flexible elastomer: It applies to areas requiring flexibility and elasticity, as they influence the diver's comfort.
- Compact elastomer: Flexible but not elastic. Applies to areas requiring a rubber composition, it's non-slippery but firm and strong.
Technical specifications:
- The structure combines a great strength with good water drainage, lateral nerve protection and a soft tip for comfortable flapping and less erosion action due to accidental contact with the bottom.
- Shoe under the shovel" design: the shovel is born directly from the top of the shoe, firmly attaching the fin to the foot and transmitting all the effort generated by flapping without loss of energy through soft areas. This format allows water to be channeled from the same ankle to the end edge of the shovel, unlike traditional models, in which the shoe has no input on the progress. In addition to improved flapping directionality, this design provides performance between 10% and 15% higherthe surface area of the blade corresponds to that of the fin.
- Decreasing profile blade thickness for better direction of the fin and achieve greater inertia of the end of the fin.
- Footwear reinforced on the upper part by an additional thickness and on the side by two polypropylene extensions from the shoe blade to avoid energy dissipation in the process of foot-to-shovel transmission.
- Other, of circular cross-sectionor with a bayonet insert in the shoe makes it impossible to accidentally lose the female part.
- Oversized heel strap: elasticity calibrated for ensure comfort and grip but without affecting the energy transmission during the flutter.
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