Every model in K2' s massive ski collection features one of five variations of the rocker concept: All Terrain (moderate tip rocker plus camber), Speed (very mild tip rocker plus camber), Catch Free (mild tip-and-tail rocker plus camber), Jib (mild tip-and-tail rocker plus a flat midsection), and Powder (rockered forebody plus cambered rear). The A.M.P. Stinger is part of K2' s all-mountain collection and employs Catch Free rocker for easy maneuverability. It' s designed with brand-new skiers in mind-lightweight and easy to control. This version is sold flat.