The ESS Asian-Fit Profile TurboFan is the world's first fan-powered military goggle specifically designed to contour Asian faces. Featuring the same anti-fog technology as the ESS Profile TurboFan, the ESS Asian-Fit Profile TurboFan is the best weapon available for keeping your vision clear during situations where perspiration or temperatures are extreme.With a built-in fan that literally blows humidity out of the goggle at 13,000 rpm, no technology is more effective at dramatically reducing lens fogging.