This rose-based lens with a mirror finish is a great all-around lens that is meant to be used in multiple lighting and weather conditions throughout the season. The Ignitor Mirror Lens from Smith reduces eye fatigue, enhances detail and contrasts for undistorted vision, and is extremely versatile. This lens has a 35% VLT rating. VLT, or visible light transmission, refers to the amount of light from the visible spectrum that is allowed to pass through the goggle lens.