Gateway Safety Cover2 safety glasses features a contemporary over-the-glasses solution. It is more compact and lightweight than the traditional bulky OTG eyewear. One-piece polycarbonate lens fits over most prescription glasses. Lightweight design, with adjustable length temples for a customized fit. Flexible temple tips minimize pinching behind the head. Meets ANSI Z87.1+ and CSA Z94.3 impact standards. Clear untinted lenses are ideal for indoor and general purpose applications. Gateway Safety lenses feature an anti-scratch coating for extra durability and block 99.9 percent of UV-A, UV-B and UV-C light, up to 380 nm. Ideal for indoor and general purpose applications.