Crews Klondike Plus Safety Glasses features black matte finish nylon frame with 5-position ratchet action black spatula temples to provide comfort for extended wear. Glasses ideal for indooroutdoor usage consist of strong, lightweight polycarbonate clear mirror lens with 11 deg base curve. Lens with 55% 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 provides resistance to both scratches as well as fog. Glasses meet ANSI Z87, CE EN 166 standards, sold as 144 pairs per pack.