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Thermotech fins do not have the traditional plastic feel of a composite fin. Instead they have a consistent flex that creates drive and release through turns. Thermotech fins come with the Futures Truss Base, making them lighter and stronger.

Center Fin: Height: 4.49", Base: 4.63" , Area: 15.32"
Side Fins: Height: 4.73", Base: 4.64", Area: 15.98"