FCS Fins - 3DS Side Fins - Smoke Hex

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SKU: FCS133314804
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Designed to add stability, speed and enhance maneuverability. A surfboard or stand up paddle fin featuring unique wing tip. 

This is a set of 2 fins that are intended to flank your center longboard fin and create what is referred to as a 2 + 1 fin set-up, or also called a tri-fin fin set-up. This is only the side fins. You'll need to use your existing longboard fin or purchase one separately.

The 3DS side fins were developed by John Harris of the Gold Coast in Australia. Harris is known for his invention of the 3D red tip trailing fin. He has been perusing the on flow of 3D technology. 3DS offers the following performance benefits for side fins on longboards and SUP’s. The fins allow the boards to roll quicker and smoother rail to rail and help the rider to engage the rail easier and hold the arc of the turn longer. The nose ride well and offer much smoother big board turns without stalling.


  • Fins in set: 2
  • Material: Performance Core

Tech Specs

  • Base: 4 1/4 in, 108 mm
  • Depth: 4 5/16 in, 110 mm


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Returns are easy! We understand that in some situations returns or exchanges may be necessary. We also want you to be stoked on your purchase. If you are not 100% satisfied with your purchase you may return it for a full refund, or exchange within 30 days of receiving your order. Items must be in new condition with original tags and packaging.

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

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