Sup into a Foil Sup
The foil is a fin that exploiting the hydrodynamics effect allows your sup board to rise from the water and “fly” on the surface.
Compared to windsurfing the foil from sup or surf is completely different in size and shape of the wings, mast, stiffness ect ect, as you can see in the images below.
Windsurfing Foil
Wing, Sup or Surf Foil