Gentemstick Giant Mantaray Snowboard 2026No one can ignore the distinctive and unforgettable outline with the big square nose and the half moon tail. The Giant Mantaray is the scaled up version of the masterpiece of snowboard design, the original Mantaray, to fit the needs of bigger body or boots size riders. Inheriting the ultimate friction alleviating rocker line of the original Mantaray, it promises a loose riding feel once submerged in a three dimensional terrain.