Salewa Men's Wildfire Vent Shoes 100% Synthetic Imported Synthetic sole Shaft measures approximately low-top from arch Heel measures approximately 1.5" VIBRAM TECH APPROACH EVO OUTSOLE WITH MEGAGRIP: The same high-performance, sticky-but-durable rubber compound used in rock climbing shoes. CLIMBING LACING: Climbing lacing extends right to the toe for accurate adjustment. DURABLE UPPER: Exa Shell over injected 3D cage with ballistic mesh and microfiber forefoot. 360 rubber rand. 3F SYSTEM: The trademark SALEWA 3F System connects the instep area of the shoe with the sole and heel; ensuring flexibility, support and the correct fit where it's needed. IDEAL USES: Alpine Climbing, Approach, Hiking, Scrambles. WEIGHT: 14.1oz./400g.