Commonly used where it is required to move between indoor applications to outdoor applications. 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. The lens insert is out of user’s direct line of vision. Temples adjust to four different lengths and nose pieces secure the glasses and prevent slipping. 9.75 base curved lens provides full side protection without distracting seams or traditional type side shields. Scratch resistant polycarbonate lens provides 99% UVA/B/C protection.