Speedwell - Boost Low (Navy/Lt Blue/White) - Men's: Sleek, fast and low-profile, the Boost Low is the embodiment of low-profile style and smooth luxury comfort!; Oil resistant racing compound outsole. Ball-shaped heel for easy pedal-to-pedal movement. Snug racing fit. Lateral protection for wheel well impact and heat protection. Asphalt to nightclub, the Boost Low gets you there in ultimate style!