Vasque - Ion (Periwinkle/Cement) - Women's: More supportive than a trail runner, yet still built for athletic performance. 1.6mm Water Resistant Split & Nubuck Leather plus Nylon Mesh Fabric for outstanding comfort and support. EVA-lution midsole. Revolution w/ Stealth Rubber outsole technology for maximum shock absorption and traction in varying terrains. Contoured EVA footbed. Gusseted Tongue. TecTuff Rand. Running Last. Shoe weighs 1 lb 10 oz.