US sizing. Known for its running shoes, Hoka also stays true to its style with hiking boots: the shock absorption made with EVA foam is really comfortable and the structure of the shoes is flexible. An excellent choice for both day and weekend trips. Mid-height helps keep debris out and gives a touch of ankle support. This second version of the shoe has recycled mesh and the midsole contains 30% sugarcane. In addition the drop has been increased to 8 from 6 mm. - Waterproof, thanks to genuine Gore-Tex membrane - Main material nubuck leather (from an LWG Gold certified factory) - Vibram Megagrip outsole - Collar, lining fabric and straps contain recycled polyester - Tip reinforcement - Drop: 8 mm - No PFC has been used to impregnate the surface materials