Uvex S4006 Flashback Safety Eyewear, Black Frame, Shade 5.0 Infra-Dura Ultra-Dura Hardcoat Lens Choose from a variety of lens shades including infra-dura 2.0, 3.0 And 5.0 shades 100-Percent Dielectric frame Easy and quick lens replacement system Meets ANSI Z87+ and CSA Z94.3 standards Made in USA