Description of Garmont Tower GTX - Women's The Tower GTX bridges the gap between a beefy approach boot and a modern speed mountaineering boot. Features: Upper: 1.8 mm Suede/Low-stretch Schoeller® Grundware Lining: Gore-tex® Frame: Frameflex Fiberglass Sole: Vibram® Nepal Garmont Shock Absorption: TriMicro Weight: 665 grams (1.46 pounds) for 1/2 pr size 8.5