Fashion Forward Metals, with the latest in frame and lens Technology. Lightweight yet strong Monel frames shape to your head and Spring Hinges and Adjustable Nose Bridges enable you to customize the fit for long lating comfort. DuraLite Shatter Proof Polycarbonate Lenses not only block out the Full Spectrum of harmful UV Radiation, but their built in Infrared Radiation inhibiters keep your eyes cooler than standard issue lenses, reducing the dry scratchy feeling experienced in the bright Sun. Complete with a Microfiber Cleaning Cloth and a Protective Case. Our Lifetime Replacement Guarantee insures your satisifaction.