Lowa has updated its Alpine Ice GTX climbing boots with built-in gaiters which provide greater protection for mixed climbs and low altitude expeditions. Gore-Tex Duratherm includes warm insulation as well as reliable waterproofing and comfortable breathability. The upper also features a slingshot heel for a secure fit. , and the memory foam insole conforms to the shape of your foot ensuring a secure fit. The boots feel very stiff underfoot which ensures reliable operation regardless of whether you're walking through snow or climbing on ice.