The Uvex Ultra-spec line of safety glasses is designed for use by visitors and was created to give safe, economical protection at a low price. The Ultra-spec 2000 offers adjustable temples and anti-scratch or anti-fog coatings that the 1000 series model does not. The lens provides excellent protection against dust, debris, and any foreign objects but is not as comfortable as other Uvex safety glasses for all day wear. Uvex Ultra-Spec 2000 Features: Uvextreme Anti-fog lens coating Adjustable temple length Ideal safety eyewear for visitors Made in USA Meets ANSI Z87.1-2010 (High Impact) and is certified to the requirements of CSA Z94.3 standards