Get the right adapter for your board

Compare your board’s fin base with the images below.

US Box
slide in sup
flip lock
FSC2
FCS
futures
soft top

If your board does not have a fin box at all, you can use the Stick-On Adapter.

It attaches directly to the surface of your board and creates a secure fin box for your Boost Fin.

You can purchase it here.


For rare cases of NSP boards with a specific FCS mount, there is an NSP FCS Adapter available.

You can purchase it here.


For all adapters, we strongly recommend adding a Leash for extra safety.

You can get it here.