Description Proteck Power Flex 9″ Longboard Fin 7-10 Day delivery on this Fin Power Flex is a ProTeck Fin with a medium core flex. The fin bends on turns, and then springs back, creating forward thrust similar to a swim fin. The medium flex core and flexible trailing edge makes the board turn smooth and fluid, with continuous speed. Power Flex Fins are recommended for intermediate to professional surfers. Sold as Pictured only! Related
