Channel Islands Fins - Tech 1 Medium - White

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The Tech 1 Medium Fin is a widely popular performance fin template from legendary shaper Al Merrick. This medium template provides tons of drive without compromising powerful maneuvers in critical sections. Available to you in Tech 1 construction and made in the USA by none other than Channel Islands Surfboards.


  • Size: Medium
  • Fins in set: 3
  • Ideal Conditions: Designed with riders 165lbs and under in mind
  • Material: Time-tested polyester resin and fiberglass construction. Unique core construction reduces resin content and weight
  • Performance: Tech 1 proprietary fiberglass weave and orientation is designed for maximum response and performance in a fiberglass fin. Al's design creates drive from the rake and base, while allowing pivot with the narrow tips and smaller center fin.

Tech Specs

Center Fin:

  • Height: 4.36 in
  • Base: 4.49 in
  • Area: 14.63 sq in
  • Foil: 50/50

Side Fins:

    • Height: 4.52 in
    • Base: 4.50 in
    • Area: 14.99 sq in
    • Foil: Flat


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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.

    Please reference our full Return Policy.

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