Merrell Choprock Women's Walking Shoes Blue Smoke : The Merrell Choprock hiking shoes are uniquely designed to help you go the distance even if there's a chance you'll encounter water along the way. These lightweight shoes feature water-friendly materials and Hydramorph(TM) midsole channels and ports for water evacuation and airflow. An integrated rubber toe bumber offers protection for traveling over rugged terrain. Upper: Features a water-friendly upper made with synthetic, webbed, and mesh materials. Integrated webbing loops provide a more secure fit. Midsole: Compression molded EVA midsole for stability and comfort. Includes a Kinetic Fit(TM) BASE removable contoured EVA insole with water friendly top cover. Hydramorph(TM) midsole channels and ports for water evacuation and air ventilation. Outsole:Features a VibramA(R) MegaGripA(R) outsole material that is suitable for trekking, multisport, as well as hiking and travel. Outsole features a 5mm lug depth.