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This is the first fin that is made of three different materials merged in the same process (patented by Cressi). Each one is applied on distinct areas of the fin according to its requirements of flexibility, hardness, reaction or resistance. Thus, the required ideal and dynamic feature can be allocated on each area without the need of increasing thickness, obtaining great lightness and inertia saving.
Materials
Flexible elastomer –thermo rubber – Shore 50º (grey color): it’s applied on areas that require flexibility and elasticity (on the foot pocket’s forefoot, the sole’s interior and the instep area that is in contact with the anckle) because that influences the diver’s comfort
Compact elastomer Shore 90º (black color): it’s flexible but not elastic. It’s applied on areas that require a rubber composition, anti-slip but strong and of great resistance (on the longitudinal ribs, foot pocket’s sole and foot’s head strap). This material links the energy transmission critical point (the instep) with the nerves in a single piece, avoiding the usual energy loss through extremely flexible components of the foot pocket that produce a heavy and slow flutter that fatigues the instep.
High-modulus propylene: this material, inherited from apnea fins, has as main feature the extremely rapid energy transmission applied and its great structural rigidity. It is applied on the blade and on the internal sandwich sole area. It is really nervous and reactive and facilitates an effective and agile flutter. It has a relationship effort-efficiency clearly superior to traditional materials. It also has a great resistance to breaks to the point that Cressi guarantees it lifelong to a sportive usage.
This is a fin born from apnea that is very appreciated by guides and diving instructors who work in areas with water flows.
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Features
- Stiff long blade designed for maximum depths.
- Full footpocket for comfort.
- Long blade for efficiency.
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