The Zone II Metal comes with an adjustable nose piece and spring loaded temples. The bronze color lens is molded from UV400 polycarbonate for 100% protection against harmful UV-A adn UV-B rays. They block the blue light of the spectrum. Offers brighter view on cloudy, hazy or foggy days. The same Zone II styling with a contemporary metal frame. Meets 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.