Great Royal Family downhill performance and release function combined with pin-technology for strong uphill performance. For walking mode the upper part is simply unlocked and tilted forward, uncovering the pin binding. Thanks to this convertible toe 300g per foot can be saved for the ascent. The third and newest generation completely redone: improved power transimission, energy absorption and vertical heel elasticity combined with an improved step in comfort. Toe part locks itself at 4 different points automatically when stepping into the binding Use the metal rail to scratch off ice and snow below your boot sole. Marker Duke PT 11 Ski Binding