The ratcheting lens inclination system, molded-in nosebridge and adjustable Duoflex cushioned temples ensure a custom fit. The Uvex Skyper features an impact-resistant, polycarbonate lens that blocks >99.9% of harmful UVA and UVB radiation and replaces easily. Meets ANSI Z87+, CSA Z94.3 and Military Vo standards. Lifetime frame guarantee. Made in USA. EA