Description
Made with unique injection system 3 materials Cressi-sub (patented), fully consistent with the trends of modern diving: Dimensions and weight content and an excellent combination of strength, power, comfort and aesthetics. The lateral ribs are double-hard composition and colors, alternating for a fully controlled structure and bending. In this flap bending angle is greater than in the other signature models, providing nearly flutter potent than either the stroke, and maintaining good performance even in situations of low rate of flapping or in the case of the diver possesses flutter technique unrefined.
The foot is completely made of thermoplastic rubber for a comfortable and unique setting in the foot. This composition of the sole eliminates the possibility of slipping out of the water. The foot has three separate volumes, with the central zone narrowed to keep the foot firmly fixed on the inside and the transmission of foot-shoe pocket-effort blade is direct and precise.
New 360 º tilting buckles for quick adjustment. Ideally allow automatic positioning of the strip during kicking. A new locking buckle preclude the accidental release of the female part.
The blade comes straight from the top of the shoe, combining solidarity flap at the bottom and passing all the effort generated by flapping no energy loss through soft spots. This format allows for channeling water from the same ankle to the trailing edge of the blade, unlike traditional models, in which the foot pocket does not have any input on progress. Besides improving the directionality of the flap, this design provides a performance between 10 and 15 higher than those that would correspond to the fin blade across its surface.
Materials:
1. Main body of polypropylene: This material is displacing the traditionally used for its lightness and speed of recovery. A material inherited from the fins of apnea, which has as main feature the very rapid transfer of energy applied and rigidity. It applies to the upper and inner part of the sandwich of the sole. It is very nervous and reactive and provides a very flexible and effective flutter. It has a stress-performance relationship clearly superior to rubber (natural or thermoplastic), polyurethane and EVA. Also has a large breaking strength to the extent that it ensures Cressi lifetime for sports use.
2. Elastomer flexible foot pocket and is applied to areas that require flexibility and elasticity, and that influence the diver's comfort: toe of the shoe, insole and instep area in contact with the ankle. Is also assigned to areas requiring slip resistance: inserts in the sole (zone of contact with the ground) and shockproof, the nerves of the upper side. The merger of the two materials is carried out at the molecular level and its robustness is guaranteed for life for sports.
3. Compact Elastomer: Flexible but not elastic. It applies to areas that require a rubbery composition, but firm and slip-resistant high strength: Nerves longitudinal sole of the shoe and foot support band (located in the middle of the instep). This material connects the critical point of energy transfer (the upper) with the nerves in one piece, avoiding the loss of energy as usual through overly flexible foot pocket compounds (flutter heavy, slow and fatigue on instep