Freeski skis Rossignol S7 2012. The multi-award winning S7 has changed the powder skiing game. Hard charging expert skiers and struggling Advanceds agree the S7 is revolutionary in its ability to make powder skiing easier, more fun and with less fatigue. The S7 Powder Turn rocker combines low camber underfoot with high tip and tail rocker. This game changer provides the skier with amazing floatation and tracking that gives him an efficient angle of attack for easier steering and instant speed control. The S7 delivers both more maneuverability and forgiveness than any other powder ski on the market. 90% Powder / 10% Piste