The OTS (Over-the-Spec) glass is designed to better fit today's prescription eyewear. Single lens protection encapsulates teh eye for excellent protection. Lightweight nylon temples that adjust for length and pitch. Lenses are coated for superior scratch resistance. The indoor/outdoor lens is a clear UV400 polycarbonate lens that 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. Exceeds ANSI Z87.1-2003 High Impact requirements. Sold per dozen. Priced per pair. Enter quantities of 12, 24, 36, etc. Price discounts based on quantities ordered.