F4 Foils

F4 is among the leading designers for surf, windsurf, SUP, and kite hydrofoils with designs now being manufactured and distributed by the leading brands in several industries. If you are interested in surf, kite, or windsurf hydrofoils, the chances are that you might be looking at one of our designs or possibly one influenced by us. F4 also manufactures high end race foils for windsurfing and kiteboarding using aerospace grade materials and manufacturing processes in California, USA.


F4 foils are build in an advanced clean room facility with CNC machined molds, CNC ply cutters, and high temperature ovens and processing equipment.