Integrated nose piece. Soft, non-slip rubber temple tips provide non-binding fit. Economical wrap-around single lens provides full panoramic view. Scratch resistant polycarbonate lens provides 99% UVA/B/C protection. Lens Technology Indoor/Outdoor Mirror Lens: Clear UV400 polycarbonate lens provides 100% protection from harmful UV-A and UV-B rays. Coated with a light gold mirror finish to reduce glare. Commonly used where it is required to move between indoor applications to outdoor applications.