The Nago is an excellent beginner to intermediate climbers shoe that feels like our higher end performance shoes. The perforated lined synthetic leather in the arch area wraps the foot for a perfect fit. The 5mm Vibram® XS Edge outsole sticks to everything and the toes-flat low tension fit makes it a great shoe for all day comfort.Vibram® XS Edge The best possible rubber formula for technical edging.åÊ XS Edge was developed specifically for La Sportiva and the production of the TC Pro climbing shoe. This rubber compound is exceptionally resistant to deformation on razor sharp edges and it will not creep when smearing.