If you want speed and are sure that you will always have some power in the sail (ie. 10 knots up) then the iSonic/Futura 133 would be ok. If the wind sometimes drops under that maybe the iSonic 144 would be better as it's almost the same shape as the 133, only with additional volume.
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JP Super-X 106l, North F8 Ram: 5.8m,
175cm, 54kg
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