The Kazbek XL Z87+ safety glasses were designed for those who need a wide-fit frame, shatter-proof lenses and comfort-improving details. And with available polarized lenses, the Kazbek XL can easily double as your next favorite pair of Z87+-approved polarized safety glasses for the workday or the weekend. And when things go sideways, you can rest easy knowing the Kazbek XL will protect your eyesight with its ANSI-rated impact protection. Plus, its flexible frame and optional anti-fog technology (called Vapor Shield) make this one of the most liveable pairs of safety glasses available. Each lens you choose will block 99.9% of UVA, UVB and UVC rays. Thermoplastic rubber (TPR) additions to the nosepiece and temples dial up the frame’s comfort, all while ensuring these glasses won’t slip around. If you’re looking for an uncompromising, extra-large pair of safety glasses, stop your search here.