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 gray lens is commonly used outdoors, it offers protection from excessive glare and high levels of UV rays. Lenses provide 99% protection against harmful UV-A and UV-B rays. 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.