Rainbow Fin Company / Pro Core / Channel Islands CIS 4.5" Tri Set Up

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  • Regular price $86.00
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Over 50 years of handcrafting fins means Rainbow Fin Co. knows what they're doing. This set of Procore CI tris is a great all around set up. With a wider base to push on for bottom turns and a thinner tip for snap off the top you will get the performance your looking for out of this set up.


  • Pro Core Carbon
  • Honey Comb Structure
  • Full Tip for more hold
  • Size: Medium (for 145-195lbs surfer)
  • Size: 4.5 x 4.2 (Front) 4.2 x 4.3 (Rear) 
  • Two Colour Options
  • Available in FCS and Futures bases
  • Fin Key Included