Shaped with input from the worldi 1/2s fastest riders over 23 years. The choice of elite professionals like Lance Armstrong, Alberto Cantador, Levi Leipheimer, David Millar and Alejandro Velverde. Advantage 2 represents the pinnacle of aerodynamic performance, fit and ventilation. Simply put, iti 1/2s what the worldi 1/2s best riders wear when every thousandth of a second counts. i 1/2