Predator

Angle 32 : recommended for those who swim on the surface, the fins do not lose energy because in a horizontal position it is submerged in water, reduces fatigue and manages to counteract even the strongest currents with minimum effort, during the detachment from the bottom it is necessary to slightly increase the opening of the legs for maximum thrust.
Angle 24 : recommended for boat dives, as the detachment from the bottom is immediate in reaching maximum thrust power

Unique rigidity