Remember to detach the side glare protectors if you intend to use these glasses in traffic. Shield series glasses are excellent for use in situations where light is reflected from snow, water or bright surfaces (boating). - Lens: cat3, good glare protection, visible light transfer 12% - The inner surface of the lens has an anti-fog treatment - Neutral grey lens - Blue mirror - Shaped Grip Tech pads on the temples - Air Flow ventilation - Flexible nose pad - Removable side guards - Size M frame: - Frame width 125 mm - Lens Height (mm) : 43 - Bridge Distance (mm) : 17 - Temple Length (mm) : 120 - Base : 6 - Lens Size (mm) : 54 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.