Hyperlite 1.1 A Wing Wakeboard Fin – The 1.1 A- Wing by Hyperlite is an Atlantic side shaped fin that offers more surface contact in the trailing edge for a tighter feel as you flow over the liquid abyss of choice. Aluminum construction makes threading and the need for inserts a thing of the past. So feel free to take the 1.1 A Wing Fin out on the water every time you ride, they can handle being worked hard.