Asolo - Route GV (Red/Silver) - Mens: Designed to meet the demands of alpinism, snow, ice, and dry tooling. For both automatic and non-automatic crampon compatible soles, giving confidence even in the most extreme conditions. High density polyamide fabric upper. GORE-TEX (Sierra) lining. Asoflex Ascent last. Lite 3 anatomic footbed. Asolo-Vibram Ascent sole. Dual-density microporous rubber midsole. PU sole suitable for semi-automatic crampons. Shoe weighs 865 grams.