Salewa Men's Firetail 3 GTX Approach Shoes Textile and synthetic Imported Vibram sole Shaft measures approximately low-top from arch VIBRAM REPTAIL SOLE: Vibram Reptail Sticky Sole with Megagrip compound. GORE-TEX EXTENDED COMFORT LINING: Waterproof and breathable protection. CLIMBING LACING: Climbing lacing extends right to the toe for accurate adjustment. 3F TOTAL SYSTEM: The 3F Total System provides additional support to your foot by connecting the 3F System to your shoe's lacing area. This connection ensures optimal comfort, stability and increases foot control where needed. IDEAL USES: Alpine Climbing, Approach, Hiking, Scrambles. WEIGHT: 14.1oz./400g.