Sonar HA850 Front WingEngineered for the highest speed and efficiency possible, the HA850 is the smallest of our core wing foiling and prone surf sizes. With less surface area and a higher stall speed, the HA850 is designed to generate maximum efficiency with minimum drag, also making it an ideal choice for high speed wing foiling and kite foiling. The wingtip is designed for zero ventilation when you tip breach, allowing you to crank faster, tighter radius turns. Needing