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The Sonic is a SUP racing and downwind fin designed to maximize board maneuverability and speed. Ideal for advanced and professional paddlers looking to enhance their flow on downwinders, this small fin utilizes a surfing-inspired curved outline with a narrow cord and thinner foil to help paddlers ride and connect swells at speed. Ideally suited to downwind conditions, this fin also performs well in technical surf races, shallow water and rivers with a strong flow and debris. In situations when the fastest racing line is not a straight line, the Sonic enables you to seek out and connect the fastest bumps, waves and sections of flowing water.