Asolo Ascender GV Walking Boots Synthetic Polyamide and Suede Fabric - And 1.8mm water-resistant suede upper. Gore-Tex Extended Comfort Lining - Ensure your feet stay dry whilst still being able to breathe. EVA Mono Density - Midsole helps cushion your foot on long trails. Outsole Asolo/Vibram - Highly technical sole ensures the boot performs effectively on numerous terrains. Lightweight and Flexible - Yet structured enough for enhanced support.