Strengthen your connection to nature in every stride. A TimberDry™ waterproof membrane helps keep water out, while an omni-direction triangular lug pattern ensures sure-footed traction. The high-cushion GreenStride™ midsole is made using 65% renewable Natural materials derived from sugar cane and responsibly sourced rubber from trees, creating comfort that never stops. Plus, the climbing rubber tip helps deliver a technical advantage on elevated expeditions.