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Designed by Alex Knost, the Captain Fin Alex Knost Flex 10.0 Longboard Fin features a medium flex, wide base, and 10" height, for a smooth, sweeping ride.
Fiberglass and Resin
Compatibility – Works best on pintail and squaretail logs.
Medium Flex
Designed by Alex Knost
1 Fin
| Size (in) | 10 |
| Base (in) | 7.6 |
| Depth (in) | 10 |
| Area (in²) | 40.1 |