The Sidi Zero 2 GORE-TEX Shoes are designed for winter road trips. They offer a perfect fit thanks to the Tecno 3 system, as well as power transmission and long durability thanks to the Millennium 5 sole, made of carbon-reinforced nylon. In addition, a neoprene shaft with Velcro closure and the proven GORE-TEX membrane ensure that your feet stay dry and warm even in cold winters with wind and fog.Features:- Waterproof and breathable GORE-Tex membrane- Neoprene axle with velcro closure- Millennium 5 soleTechnology:- Millennium 5 soleNylon sole reinforced with carbon fiber with a noble carbon look. A high carbon fibre content ensures even better power transmission, while maintaining the same level of comfort. As with the Millennium 4 sole, the non-slip, replaceable heel cup made of polyurethane ensures a comfortable walk. Alignment scale for the best positioning of the cleats.