This Volkl AC20 is a 2008 demo model. The Volkl AC20 now comes with the new combination 3Motion System and new Power Grip construction. The Volkl AC20 Skis have a FULL Sensorwood core along with an all new all-mountain shape. For true advanced skiers or those who are intermediates and want a ski that will perform well as their ability improves, the Volkl AC20 skis are a great choice.