Lightly used Gore Tex trail running shoes. worn a few times, but just too big for me. Features GORE-TEX® membranes keep your feet dry, so you can ignore the wet and concentrate on the trail ahead Medial reinforcement provides extra support for the perfect balance between comfort and protection Low-profile 3D Advanced Chassis™ placed between the outsole and midsole helps optimize motion control and energy management New geometry of the 3D chassis provides just the right amount of cushioning and stability for a more secure ride Built for a wide variety of surfaces, durable Contagrip® MA outsoles balance the geometry and rubber compound to deliver confidence on wet, dry, hard or loose surfaces