The EPF from Markers F12 Tour is ideal for skiers who want to cross from mountaineering to occasional tourist skis. EPF (Extended Power Frame) provides a super wide connection for skiing, higher power transmission and improves the alpine skiing ability of this exceptional climbing product. The Extended Power Frame allows you to enjoy larger touring skis even when the terrain gets bumpy and sloppy. At the top, it makes the start of turning easier in all snow conditions.