M FRAME HEATER Accessory Lens Kits - Adapt to changing light conditions or just change your look by switching to a different lens in seconds. Choose the shape and color to optimize your performance, and select a vented design if you want cooling airflow. Lenses with IRIDIUM coating precisely tune the transmission of light for your environment. Non-vented lenses are available with polarization to block the blinding rays of glare. Oakley polarization eliminates the haze and distortion found in conventional technologies to create the best polarized optics on the planet. Fits M FRAME and Pro M FRAME HIGH DEFINITION OPTICS (HDO ) for unbeatable clarity and performance Lens contours that extend peripheral vision and improve side protection PLUTONITE lens material filters out 100% of all UVA/UVB/UVC & harmful blue light up to 400nm Unsurpassed impact protection Options include IRIDIUM lens coatings and polarization Comes with lens and nosepiece Important Note: Use care when installing/removing accessory lenses. Scratched lenses can not be returned and are not covered under Oakley’s warranty policy.