Sonar SF930 Front Wing 2023Description Weve 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 foils insensitivity to angle of attack change forgiveness means you dont 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