Zappos.com is proud to offer the XRAY - Classix (Sienna Brown/Brown Lens) - Eyewear: Classix is the glass for the woman with confidence. This classix glass will always be in style. XRAY frames are handmade from Italian Acetate. Frames include metal core temples with Comfort Fit adjustable temple ends. Stainless steel Five Barrel spring hinges provide extra strength and flexibility. All hinges have adjustable tension set for comfort. XRAY Lenses are CR39 and provide 100% UV protection. Superior optical quality. Distortion, red tint and birefringence free. Lightweight and strong. Wide range of color with wide range of U.V. absorption. Meet and Exceed Impact Resistant Standards. Meet and Exceed Luminous Transmission and UV Protection Standards. Medium fit.