Previously had the Alpine GTX. This I found through the rocker sole is not as stable and had problems with longer walks. This has the flatter and more stable AIR3 sole. Here you also have significantly more support in the heel and thus more suitable for hiking. Thanks to the soft cushioning the impact load is clearly minimized, which has a positive effect for me on the spine. The downside is that one but unlike normal hiking boots clearly unstable running as indicated by the high ankle shaft is reasonably well compensated. In a multi-day hike, I crossed my no bubbles or suffered painful overloads. The Proof Tex material is water resistant but not permanently waterproof, it in turn breathable even in summer. I bought it but the business
