Standard Vision 8 / 5 / 3 Lens: VISION 8, 5, and 3 Lenses are constructed from the strongest and optically perfect, polycarbonate material available. Anti-fog and hard coat is applied and all lenses provide 100% UVA protection. The VISION Lenses have a VLT between 25% and 90% depending on the chosen tint. The VLT is the "visible light transmission," which is basically how much light the lens lets into the goggle. Look amazing with excellent optics at the track or on the trail. Key Features: LENS: Optically correct, polycarbonate material is the strongest and clearest in its class. Integrated tear-off posts allow you to stack as many as 28 tear-offs. Anti-fog coating helps to eliminate condensation on the inside of the lens. Hard-coat is applied to the outer side of the lens to help with durability. Seven key hole locking system assures a solid fit in the VISION frames.