Etnia Barcelona sunglasses with natural mineral glass lenses providing the clearest sight in the worl and shock-resistant with anti-scratch, anti-static electricity treatment. Also Hydrophobic - Oleophobic lenses. With maximum UV protection and triple-layer anti-reflective interior. Eyewear Etnia's model Derby has a feminine trapezoidal frame, with lamination on the top portion of the frame front and on the temples. The bevelling on the top portion of the frame front gives the design of this eyewear a touch of sophistication.