Surfboard Volume Calculator and Selecting Your Surfboard - 360Guide
Channel Islands surfboard model list
Surfboard Volume Calculator | Pollywog
CI Surfboards - NEW - DIAL YOUR VOLUME. Channel Islands now allows you to tweak you dimensions and volumes on key models. Calculator is located ON THE MODEL PAGE. http://www.cisurfboards.com/surfboards/fred-stubble-by-conner-coffin/ a link