Marker F12 Tour EPF Ski Bindings – 2024. Marker Alpine Touring Ski Bindings. The F12 Tour EPF is the perfect on-piste/off-piste freeride binding for occasional touring adventures. MARKER’s F12 Tour EPF is ideal for skiers who want to cross over from alpine touring to resort skiing on occasion. EPF (Extended Power Frame) features a super wide connection to the ski, maximizing power transmission and enhancing the downhill skiing ability of this exceptional uphill climbing product. On top it makes turn initiation easier in any snow conditions. 4.0 – 12.0. Stand height w/o ski. Triple Pivot Light 2. Recommended Skier’s Weight.