Comparing 2 boards

Channel Islands Twin Fin

Twin Fin

Channel Islands

Length
5'3"–6'3"
Volume
22.6–34L
Shape
twin fin
Fin setup
Twin
Video
3 clips
Big Sun TWIN KEEL

TWIN KEEL

Big Sun

Length
5'6"
Volume
29.9L
Shape
fish
Fin setup
Twin
Video
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Up to 4 boards at a time. Volume and length are the shaper's published ranges across all sizes of the model, not a single board.