Customize the Airbrake(TM) MX goggle with your choice of lens color and choose the best optics for your environment. Made of optically pure LexanA(R) to maintain durable impact resistance and 100% UV filtering, these single lens options come with anti-fog treatment and include IRIDIUMA(R) lens coating to precisely tune the transmission of light.Important Note: Use care when installing/removing accessory lenses. Scratched lenses can not be returned and are not covered under Oakley&&';;s warranty policy.