Oakley Airbrake MX Clear Dual Replacement LensOakley Airbrake MX Clear Dual Replacement Lens Customize the Airbrake MX goggle with your choice of lens color and choose the best optics for your environment. Made of optically pure Lexan to maintain durable impact resistance and 100% UV filtering, these single lens options come with anti fog treatment and include IRIDIUM lens coating to precisely tune the transmission of light. Important Note: Use care when installing removing accessory lenses.