SUPER TRIDENT GTX M. Alpinisme. Cuir Gore-Tex. ALPINE FIT™. Main Fabrics : HIGH QUALITY SUEDE LEATHER. Membrane : Gore-tex Membrane. Outer sole : VIBRAM MULAZ. Midsole : VIBRAM MULAZ. Three-season alpine approach boot. Protective, semi-rigid, precise, comfortable, and dependable. Proven resistance to wear. Official boot of the Chamonix Guides Company. Mid-cut split leather upper. Precise, high-grip Vibram® MULAZ outsole, designed for mountaineers. Insole with bi-density EVA shock absorption. Hygienic anatomical thermoformed EVA insole. Rubber stone guard. Waterproof breathable GORE-TEX membrane. Polyester lacing help provide the right fit. Close fit, semi-rigid support, bi-density shock absorption. Padded around the ankle.