Athletic and modern, this high-cut hiking boot brings Boost endless energy return to your mountain hikes. Mixing modern details with traditional elements, this stable shoe has Stealth rubber, breathable Gore-Tex and durable materials for protection. Lining: Gore-Tex performance comfort membrane, waterproof and breathable. Sockliner: molded sockliner for enhanced comfort and fit. Midsole: Boost offers endless energy in the mountains and high adaptability on rocky surfaces. Outsole: hiking specific outsole featuring Stealth rubber for unbeatable grip. Material: Textile, Rubber.