Our fastest running shoe ever! The U-TECH Solo 2 combines exceptional performance with genuine injury prevention. Designed for competitions and fast training runs, the U-TECH Solo 2 helps you reach your full potential—all the way to your new personal best. Newly developed True Motion Nitrogen Foam, speed last, and extreme rocker geometry (Apex Rocker) ensure maximum dynamics and efficiency. Scientifically proven: 3% more efficient than conventional running shoes—and with up to 50% less risk of injury.