Training for wing surfing? Don't know where to start? We do, and it's with the Slingshot Crossbreed Airtech with SUP Winder Stand-Up Paddle Board Package. This board has everything you need to have a relaxing day on the water and transition to learning the wind without investing in a dedicated foil board. The removable sUP WINDer center keel fin can be quickly installed and is perfect for teaching new wingers the flow of the waves. Remove the fin and you're back to doing yoga with your dog on the lake. The Crossbreed is perfect for those searching to expand their skillset while still enjoying a picnic at the pond.