FCS II Channel Islands CI Upright PC Quad Rear Fin SetDesigned by Britt Merrick, the FCS II CI Upright PC Quad Rear Fin Set are shaped to pair seamlessly with the upright CI side fins. Featuring a neutral raked template, they deliver a solid balance of control and stability while still allowing for tight, pivot style turns. The 50 50 foil enhances directional control and confidence, making this set a reliable choice for surfers looking to fine tune their quad set Fin Size Detail Size Fin Depth Base Area