Merrell Siren 3 Mid GTX Women's Hiking Boot Size 10 NWOB SHOR SAMPLE More info Merrell Siren 3 Mid GTX Women's Hiking Boot The Siren 3 Mid GTX is ideal for long walks. From walks in the woods to light hikes in the mountains, this hiking shoe is a real all-rounder. The Siren 3 Mid GTX falls under the category A/B hiking boots. These shoes are slightly more flexible than category B hiking boots and somewhat firmer than category A hiking boots. These hiking boots are an ideal option, especially if you walk longer, but do not want to wear too heavy shoes. The shoes are equipped with a Vibram MegaGrip outsole that you can always count on, regardless of the surface. The upper of the shoe is made of mesh and the shoe features a GTX waterproof membrane, which offers excellent breathability and waterproof performance. Product specifications Breathable Waterproof Dirt-resistant Weight (pair): 560 grams Materials: mesh, GTX Vibram outsole materials mesh The outer material of the Siren 3 Mid GTX is made of mesh. Mesh is a synthetic material that is made in different shapes. Due to the use of mesh, the shoe is light, flexible and the breathability is high