Stylish alternative to prescription safety glasses offers "Over-the-Glass" coverage and is available in two sizes which fit over a variety of prescription eyewear. Medium lens is 13% smaller than the large. Lightweight, wraparound, unilens design offers peripheral protection, cushioned nosepiece, bendable wire-core temples for flexibility and soft nasal fingers to minimize slippage. Ratcheting temples with 3-position lens inclination for custom fit. Lenses have Ultra-dura¨ anti-scratch hardcoat. Easy lens replacement. Lifetime frame guarantee. Meets ANSI Z87.1+ High Impact and Military Vo Ballistic Test for Impact, which is 7x greater than ANSI requires. Certified to CSA Z94.3 standards. Made in USA. Standard pack 10/Bx.