Prizm canopy replacement lensblack iridium lens medium to bright light features a glare reducing iridium coating over a high contrast lens for maximized performance in bright conditionshigh definition optics hdoreplacement lenses are made of premium plutonite lens material an innovation that blocks 100 of all uv radiation oakleys cadcam engineering makes lens replacement simple yet maximizes impact protection while the lenses are installed for select goggles choose an optional iridi