Uvex Astro OTG 3001 glasses with clear lens are designed to fit over prescription glasses. Safety eyewear from Uvex Astro OTG features an impact-resistant polycarbonate lens that are scratch resistant. The adjustable temples gives you the freedom to adjust or modify the feel of the safety glasses to your desired needs. Uvex Astro 3001 has molded in eyeguards and side shields provide great protection from debris. When looking from protection from the sun, these work spectacles are 99.9% UV rated and meet ANSI Z87.1-2003 and CSA Z94.3 standards. Made in the USA. Clear UD lens and Black frame.