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Captain Fin 8.5" Alex Knost Classic Longboard Fin

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SKU: CAPCFF0541601

Availability: In stock

Captain Fin Co

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No Hassle 30 Day Return Policy. Doesn't fit? Don't like it? Return it.

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Family Owned Since 1980. Online since 1999.



Want more action out of your longboard? Give the Captain Fin Alex Knost Classic Longboard Fin a spin. If you longboard you know the name Alex Knost. Alex has a way of making things look easy and this classic single fin template is one of his many choice tools for doing so. Offering a wide base to keep locked in with a tight, upright shape for ultimate versatility on the wave. Ride the Captain Fin Alex Knost Classic in your favorite mid-length and brighten up your next session.


  • Size: 8.5"
  • Fins in set: 1
  • Material: Fiberglass & Resin

Tech Specs

  • Height: 8.5"
  • Base: 5.70"
  • Flex: No Flex


Fiberglass provides a rigid flex pattern with a stiff base and a varied amount of tip flex depending on the shape and size of the fin. For solid, predictable characteristics and long lasting life, traditional fiberglass and resin construction still is the go the for single fin enthusiasts.


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We understand that when purchasing gifts, returns and exchanges can be necessary, which is why for the Holidays we are extending our Return Policy so that anything purchased as a gift this Holiday Season is eligible to be returned by the end of January. If you are not 100% satisfied with your product you may return it for a full refund, or exchange by the end of the month of January 2018.

Please make sure your wetsuit fits before taking it in the water. We are not able to take returns or exchanges on used wetsuits.

Click here for our full Return Policy

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