Fischer RX Red Heat Skis + Bindings - Used 2008: The Fischer RX Red Heat Skis allow you to conquer the beast that is the mountain. The RX Red Heats are based on World Cup technology – meaning optimum power flow to the edges despite the ski being wide. Features like an AirCarbon Core, Frequency Tuning, and the RailFlex system allow for a smooth ride in just about any condition. The Fischer RX Red Heat Skis are a true all-around speed merchant both on and off-piste.