Starboard Net Positive US Box Fin

This fin is designed for any board equipped with a standard US fin box. If your current fin slides into a track and is secured with a single bolt, this will fit.

Not at all. The material is engineered to match the stiffness and hydrodynamic performance of standard virgin plastics, so you get the same durability while supporting ocean cleanup efforts.

A 9-inch depth provides excellent tracking and stability, making it ideal for flatwater paddling and general cruising. It offers enough surface area to keep your board straight without feeling overly sluggish during turns.

Yes, you will need to purchase a separate fin bolt and nut, as they are not included with this fin. Most standard US box hardware kits will work perfectly.

While it is primarily designed as an all-around fin for SUP cruising and touring, its versatile shape performs well in small, mellow surf conditions. It is not intended for high-performance, aggressive wave riding.