Vasque - Super Alpinista (Yellow) - Men's: A sure bet for peak bagging in ranges that don't require the warmth of a double boot. Exo-Therm 3-layer composite upper is lightweight, flexible, durable, and warm. Protective rubber toe rand. Step-in crampon compatible. Lightweight carbon fiber insole. EVA midsole for cushioning. Skywalk Fitzroy Stealth rubber outsole technology. Insulated Drilex lining and footbed.