River SUP Flex Fin US-Box

The River Fin is made with a design that improve the SUP river exprerience.It is a central fin with US Box system, very easy to set.

This fin has been made with flexible material, it resists the hits with the stones and other obstacles that you would find sailing in the river.
The River Flex Fin has the shape and size appropriated to avoid the hits with objects under the board.