ESS Profile Series replacement lenses are compatible with ESS Profile NVG, Profile TurboFan and FirePro goggles. These 2.8mm, high-impact lenses feature ESS' advanced ClearZone FlowCoat lens coatings to maximize scratch resistance on the outside of the lens and fog resistance on the inside. All ESS lenses offer 100% UVA/UVB protection. ESS Modular Technology allows all lenses to be quickly and inexpensively interchanged. Compatible with ESS Profile NVG, Profile TurboFan and FirePro VLT (Visible Light Transmission in %): 90 For use indoors or at night No influence on contrast or color