Upper: 60% nylon, 40% PVC - Lining: 92% polyester, 8% polyurethane - Sole: 100% thermoplastic rubber. Inspired by the 1969 lunar landing, the low-top version of the inimitable Icon riffs on high-technology astronaut gear. It?s insulated, fitted with a lightweight mid sole and features suction pads on the rubber tread sole that offer serious ground control