Crews Klondike Clear Black Frame Safety Glasses features black matte finish nylon frame with 5-position ratchet action black spatula temples to provide comfort for extended wear. Glasses consist of strong, lightweight polycarbonate clear lens with 11° base curve.Lens with 85% VLT filters out 99.9% of UV rays for enhanced protection and the curved design provides a near total eye orbital seal. It includes a soft secure TPA nose pad for all day comfort. This eyewear comes with an exclusive Duramass technology that providesresistance to both scratches as well as fog. Glasses meet ANSI Z87, CE EN 166 standards, sold as 144 pairs per pack.