Armstrong A-Wing XPS Mk II (Wing Foil)XPS Mk II After two years in development, the new A Wing XPS Mk II is here. Whether its next level wing surfing, freestyle, or the Wednesday night local race, its all in the cards with the A Wing XPS Mk II. This evolution of the A Wing delivers greater stability and upwind speed along with the all new Dyna Link handle system for seamless adjustability between carbon handles or a boom. The XPS Mk II is the most versatile wing, re engineered. Carbon