FCS II Channel Islands Upright Performance Core Thruster FinsA collaboration with Channel Islands Surfboards, the CI Upright is designed for speed and tight turns. A template that comes to life in punchy hollow waves but can also suit conditions where you need the start up speed to get going. Overview A collaboration with Channel Islands Surfboards, the CI Upright is designed for speed & tight turns. A template that comes to life in punchy hollow waves, but can also suit conditions where you need the start up