¥13,800 ▶-SALE-▶ This is Alex Knost's signature fin. The narrow base and upright template maintain speed and excel in maneuverability. It is especially recommended for those who find the response of flex fins lacking. Brand: CAPTAIN FIN CO. (Captain Fin) Product Name: ALEX KNOST CLASSIC 8.5 Color: Blue Specs Height: 8.5 Base: 5.7 Foil: 50/50 Material: Fiberglass Type... Center Fin Fin System/Fin Box... Center Fin Box Number of Fins... Single Fin There may be some scratches or print misalignments due to the manufacturing process.