Xtep Men's 160X 7.0 - Laser Red/GreenBorn to Race. Built to Win. The Xtep 160X 7. 0 is the next evolution of speedcrafted for runners who thrive on performance and precision. Every element of this shoe has been engineered with one purpose in mind: to help you break barriers and set new records. At its core lies a full length carbon fiber plate, designed to maximize propulsion and deliver explosive energy return. Each stride feels more powerful, more efficient, giving you the confidence