Protection from impact, dust, airborne particles, chemical splash and optical radiation (UV and welding/heat radiation). Fits comfortably over most prescription eyewear. Soft, elastomer body flexes and conforms to the face for a secure, comfortable, gap-free fit. Pivoting, quick-adjust headband provides easy adjustment for a comfortable fit. Economical lens replacement. Meets the ANSI Z87.1-2010 and is certified to the requirements of the CSA Z94.3 standard. Made in U.S.A.