Details: The only fin in the world to claim 8 patents Features: ABS Plus Buckles - Both buttons must be pressed at the same time to open the buckle. This new system also makes it easier use, by reducing the effort required for both opening and closing OPB System for great kicking efficiency - OPB (Optimized Pivoting Blade) Fin Technology that ensures the blade at the optimal angle at all times providing increased efficiency and power Channel Thrust Technology - Maximum thrust with minimum effort!

Item Condition: New