The new refined aluminium foil section gives the best balance between light weight and increased strength for higher loads, so you can wing, SUP, surf and kite foil with confidence, making use of the fully interchangeable Sonar Foil System to extend your playtime on the water. Engineered to last, with exceptional strength to weight ratio, and our unique GeoLock system for a clean, direct feel with minimum resistance on the water. The AF72 mast is ideal for shallower waters, and prone surf foiling. The AF85 mast increases overall ride performance in choppy conditions.