- The Salomon Men's X Ultra Pioneer Mid CSWP Shoe is a waterproof boot for hiking wet weather and terrain. Any weather situation, and this boot's up for the hike. The upper features ClimaSalomon waterproof protection, so feet stay dry, while a durable, lugged, rubber outsole stays connected to the mixed terrain. A mid height covers just over the ankle, and SensiFit wraps the foot securely and stays put