WEIGHT 555G/19.6 OZ (SIZE 7 US) ? 650G/22.9 OZ (SIZE 9 US) * UPPER Protective rubber heel cap ? Protective rubber toe cap ? Gusseted tongue * LINING lining construction: Waterproof bootie construction membrane: GORE-TEX? Performance Comfort F * SOLE CONSTRUCTION midsole: Molded EVA outsole: Non marking Contagrip?