The Mountain Trainer Mid GTX is a mid-cut alpine approach boot with a classic durable suede leather upper and a waterproof and breathable GORE-TEXA(R) Extended Comfort lining.Designed to offer comfort and ankle protection during your hiking and trekking adventures on technical terrain like mud, grass and snow. This is a boot you can rely on when facing rocky paths or via ferratas thanks to the grip provided by its VibramA(R) Alpine Approach sole.The Mountain Trainer Mid GTX integrates SALEWA's patented technologies to offer the Alpine Fit 100% blister free guarantee: customizable Multi Fit Footbed Plus (MFF+) with interchangeable layers so you can adapt it to the unique shape of your foot; Climbing Lacing right to the toe for a more precise fit; 3F System for firm ankle and heel support and Adaptive Foam padding in the heel area.