Asolo - Cholatse GV (Yellow/Bronze) - Men's: High resistance polyamide fabric and microfiber comprise the upper. Waterproof Gore-Tex Sierra lining. Asoframe technology is comprised of carbon and Kevlar, bonded together, to offer maximum torsional and lateral rigidity while being virtually indestructible. Low-profile, dual-density microporus rubber midsole and 2 rigid PU attachments in the heel and toe areas allow for automatic crampons. Vibram Lavaredo outsole.