Mammut Men&39;s APPALACHIAN 3S GTX Boot (s) Lightweight, stable and grippy crampon-compatible alpine boot, with warm and water-resistant Gore-Tex Insulated Comfort Footwear lining. Integrated Motion Control for lateral support without restricting forward and rear flexibility, and memo foam for an optimal fit and padding. Mammut&39;s newly developed PD Cage sole cushions and distributes the energy generated in the heel area and supports the inside of the arch of the foot. All-round rubber rand for protection from rocks and boulders. A secure grip and safety on snow and ice are ensured thanks to the metal particles integrated in the rubber soles (Meteorite rubber). Features Strap-on crampon compatible Made of waxed nubuk leather Gore-Tex Insulated Comfort lining Board lasted with memo foam Meteorite rubber in sole secures the grip Weighs 1738 g (UK size 8.5) * Main product photo is dark Brown/Cadmium.