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 Nara has a unisex round frame. The acetate combinations can be in sandwich form, in which the inner colour contrasts with the outer one, or with hidden lamination on the top portion of the frame front of the eyewear and a colour detail on the tips.