Suitable for rough terrain from Keen. The upper part is made of Genuine leather - Nubuck, eco leather - Eco leather, Fabric - Fabric. The insoles made of textile give great comfort. The sole made from high-quality material has good adhesion to surfaces. This model is equipped with Direct Inject, EVA, Keen Dry Waterproof, Keen Protect, Metatomical Footbed, PU (Poliuretan) technology. This pair is the one that you are looking for if you care for durability.