Climbing to the top of some peaks? Using crampons, perhaps even a slpitboard, or maybe a sled an a pow board, well either way these boots are designed to meet the high demands of the backcountry. With stiffer flexing, an Intuition Space Heater Liner and an internal Boa Conda lacing system, fit and performance will match your boot packing pace. You need to strap some crampons on and scale up some rugged peaks? Well, the mountaineering designed vibram out sole and crampon lip on the back of the boot just might help you reach the top. So get ready to drop in this season with the K2 Aspect.