North Sonar SF Front WingsWe have engineered our Sonar Surf Series for super low stall speeds, effortless pumping and surf style carving. Ideal for riders wanting more from surf and downwind swells (with or without a wing). The foil's insensitivity to angle of attack change means you don't have to be an expert or have perfect pumping technique. A refined balance of roll stability and manoeuvrability gives you confidence during pumping and take offs, and the ability to initiate