- Vibram® Eco Step Evo tread with hiking-oriented lugs for maximum grip - Compression midsole with stabilizing insole for maximum cushioning and stability - New Bluesign® certifi ed Gore-Tex® Extended Comfort membrane obtained from the recycling of plastic materials at the end of life. It allows maximum waterproofi ng and breathability, reducing the environmental impact - Large volume of fi t for maximum comfort - 3D Flex directional joint that protects the ankle and at the same time allows perfect mobility and support control - Upper (including toe cap and buttress) in suede leather and 100% PFC Free water repellent treatment