Exceeds ANSI Z87.1-2003 High Impact requirements.  Soft rubber nose pad and temples for all day comfort.  Fully dielectric with no metal parts making this product excellent for Linemen or others exposed to electric arc.  Lenses provide 99% protection against harmful UV rays.  Frame is totally ventilated to prevent fogging even in extreme conditions.  The gradient gray lens protects against sun glare, and allows user to read clearly through bottom of the lens.  Gray - Commonly used in outdoor application. Offers protection from excessive glare and high levels of harmful UV-A and UV-B rays.  Sold per dozen. Priced per pair. Enter quantities of 12, 24, 36, etc. Price discounts based on quantities ordered.