Leisure Society Yuma 18k Silver Sun INFO The Stresa is crafted out of Japanese cotton-based acetate with temples that have transparent layers to expose luxurious touches of intricately detailed metal hardware. The end pieces on the frame fronts contain pressed metal decor with colored enamel fills. This unique silhouette has modern touches of elegant detail. COMPOSITION Flex Beta-Titanium, ZylIon-plated in 12k silver, 18k gold, 18k rose gold, or 24k goldTitanium nose pads ABOUT THE LENSES:Proprietary 12-layer anti-reflective UGR12™ coating, Diamond Cast™ anti-scratch coating, and water-repelling hydrophobic coatingPolarized CR-39 sun lens with 99.9% distortion-free, 100% UVA/UVB protection, and block eye-fatiguing blue light MEASUREMENTS 49-22-145 Made in Japan