Channel Islands CI Mid Twin 7'9 Surfboard - FCS II7'9" x 22" x 3 1 16" 57. 80L "Our original CI Mid debuted with the ever reliable 2 plus 1 fin set up (big center fin, small sidebites). While it can also be enjoyed as a single fin, the side fin placement is too far forward to work properly as a twin. So, when updating our popular CI Mid to accommodate two fins, we once again worked with the Mids co designer Devon Howard. After riding multiple R&D revisions with various fin placementsand adding tweaks