Very light, comfortable, and refined nubuck leather with softshell additions. The high-grip Gripex Gecko soles developed by Mammut with integrated Mammut Rolling Concept ensure safety and comfort. Additional details are the soft threepart leather lining with integrated Mammut FeetMap concept and the smooth-running nylon webbing laces.The aim of Mammut's Rolling Concept is for the sole to provide customized support and cushioning, preventing fatigue and reducing the danger of twisting.The FeetMap System addresses the very different zones of the foot: those that sweat, that feel the cold and that are pressure-sensitive. Mammut FeetMap locates cushioning, warming, cooling, slip and non-slip lining materials in all the right places.Classy and robust full-grain leather with slight sanding to create the characteristic velvet appearance. Depending on the required finish, nubuck can be waxed, brushed or left untreated.The Soft Shell textile worked into Mammut shoes is tailored for robust footgear, abrasion resistant and waterproof, without compromising its positive Soft Shell characteristics (excellent breathability, wind-proof, water-resistant, expandability).An amazingly light, pleasantly soft midsole material fashioned from compression-moulded EVA (ethylene vinyl acetate) with excellent damping properties.These multifunction Hiking soles are the result of the many years of footwear experience of the Mammut Footwear Design and Development team. The Gripex rubber mix offers optimal adherence and lasting abrasion resistance. Additional functional features include mid-height, multidirectional lugs, flexible ribs and the patented Mammut Rolling technology.