For the most technical high-mountain and glacier ascents, for ice-climbing, for multi-day alpine expeditions and for general winter mountaineering in technically demanding terrains and tough, cold weather conditions, you need warm and sturdy boots which give you total protection and confidence. With this goal, we use only the finest available materials for the boots in our HIGH MOUNTAIN family, and we design and manufacture them in a manner which makes them help you to reach your goals in the most comfortable and secure manner possible. All the boots in this family have a 100% rigid sole. This is a prerequisite for the use of step-in crampons, and also an essential support for climbing steep, technical routes in snow, ice and rock. In spite of their rigidity and sturdiness, these boots are also surprisingly comfortable to walk in during approaches and for other routes on trails or over flat and mixed terrain, reducing in many cases the need for an extra trekking or approach boot. All the boots in this family are compatible with the use of step-in (“automatic”) crampons. All High Mountain boots incorporating GORE-TEX® Insulated Comfort technology are durably waterproof, breathable and warmly insulated.