Slingshot sUP WINDer Fin

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Includes: sUP WINDer Base and Fin

The sUP WINDer from Slingshot is the first of its kind stick-on keel. It installs in minutes, transforming your SUP board into an efficient wingsurfing board.

Slingshot sUP WINDer

With the sUP WINDer installed, a wing in your hands, and a little technique, you can stay upwind and return home to the same place you launched from. Great for teaching first time wingsurfers and exploring your local waterways. Using wind-power you will propel yourself across the water at far higher speeds, while expending less energy than traditional paddling. If you do decide to use your board for standard paddling the keel is easily removable, while the streamlined stick-on fin-box remains attached the bottom of your board. Jump into the sport of wingsurfing now, using the SUP board you already own!



  • Convert your standard SUP board into a wingsurfing board
  • Allows you to stay upwind
  • Installs in minutes
  • Keel fin is removable for standard paddling
  • Great for teaching first time wing surfers
  • Give new life to that SUP board collecting dust


  • Removable Keel Fin
  • Reliable 3M Adhesive
  • Standard A-Box Fin Track