Upper: Climaproof membrane for waterproof protection in wet conditions. Outsole: Exceptional Traxion in wet and slippery conditions. Upper: Reflective logo. Lining: Primaloft insulation for superior warmth and water resistance. Midsole: Lightweight EVA midsole for long term cushioning and comfort. Primaloft Gold Weight: 100 gram. Weight: 9 oz / 255 gram. Textile/Synthetic.