Upgrading your fins is the easiest way to really transform the performance of your stand up paddle board .
With a couple sets of fins you can suit your board for great flat water paddling one day and SUP surfing another .
Upgrading your fins is the easiest way to really transform the performance of your stand up paddle board , and with a couple sets of fins you can suit your board for great flat water paddling one day and SUP surfing another .