Not since the early days of the sport has a single goggle design brought so much innovation. Long ago, Oakley's founder developed an entirely new goggle that became a mainstay in the sport for 17 years. You are now looking at the future of MX goggles. Customize the MX L FRAME™ goggles with your choice of lens color and choose the best optics for your environment. These single lens options are made of optically pure Lexan® for durable impact resistance and 100% UV filtering. Note: The Iridium® lens increases contrast to improve depth perception in medium to bright 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.