Guides

If you're paddling hard but barely moving, the problem is almost certainly your fin. Here's how the right fin transforms how a SUP board glides and tracks.

Fins influence how your surfboard turns, generates speed, and responds under your feet. How FCS, Futures and US Box systems work — and which fins fit which boards.

Your SUP fin affects tracking, stability, turning and speed more than any other component. How to match your fin to your board, conditions and paddling style.

Eisbach Riders designed the Quick-Lock Touring Fin to fill a real gap: high-performance touring fins for Quick-Lock boards, made from recycled industrial waste.