With their polarized cat 3lenses, these glasses offer great glare protection while still being light enough for use when driving. Remember to detach the glare shield pads if using in traffic! - Lens: Polarizing cat3 lens, visible light permeability 11% - Basic lens color: brown - The inner surface of the lens has an anti-fog treatment - Shaped Grip Tech pads on the temples - Air Flow ventilation - Flexible nose pad - Removable side guards - Regular size: - Lens Height (mm) : 45 - Bridge Distance (mm) : 17 - Temple Length (mm) : 130 - Base : 6 - Lens Size (mm) : 59 Julbo has been making sunglasses for more than 135 years. By buying Julbo, you are investing in a quality product and can rest assured the glasses offer perfect UV protection.