Take smoke, sand and fire...whip it into a frenzy with whirling chopper blades or fierce winds. Now you have an idea of the environment Wiley X set out to conquer with Climate Control Series. this eyewear selection can't be beat when it comes to fast paced action and the need to seal off your eyes from the outside elements. CCS technology is as determined and tenacious as the men and women who wear them. All Climate Control styles exceed High Velocity ANSI impact standards.