The On Cloudrock Waterproof hiker is designed for exploration in all kinds of weather. The Swiss-engineered FlexLock system allows laces to be tied traditionally or with a single pull, ensuring the perfect fit every time, while the tongue straps secure laces. Outside, the 360° rubberized mudguard is tough but light and flexible, providing the ideal blend of speed and shield. This boot has a durable membrane is wind- and waterproof. It features the Speedboard® midsole that provides propulsion and stability, and the On Running Cloudtec® elements work to absorb the impact of your step.