The H4 looks and surfs different to any other fin. Precision Swiss engineering matched with a highly evolved template provides an unprecedented level of control and predictability at high speeds. Radically different side & centre fin templates create a powerful fin set with ultimate speed & drive.
Lower section produces maximum acceleration, while hatchet like tip creates stability & control. Highly raked elliptical outline reduces drag, and offers feeling of predictability when releasing through turns. Thicker base with tapered tip optimises flex & regulates the release of energy during rail to rial transitions.