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Fractional Sloop · Fin Keel · 1936–present
The International One Design began as a wood boat built in Norway, with fiberglass construction permitted from 1968.
Is it for you?
Where this design lands on the numbers a shopper trusts — read straight from her own ratios.
Built heavy and sea-kindly — a boat made to cross oceans and forgive a rough night.
The record
The complete reference set — tap any figure to switch between metric and imperial.
The family
Nearby designs by size, type, and era — worth a look alongside her.