Paintball Lens Dye I4/I5 Thermal smokeThe injected thermal lens for the DYE i4 and i5 goggle system provides high grade of UV-A, UV-B and UVC protection and is optically corrected for superior clarity. The lenses are addtionally coated with permanent 4d anti-fog and anti-scratch coating for performance and longevity. Selected lenses have a dyetanium coating to reduce glare and balance light transmission.