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. Sunglasses Etnia model Montsio has an acetate model with square shape and a very urban in style. It's finishing, colour combination, and laminations are impeccable in these sunglasses. The gradient or lightly flash-coated lenses give it a sophisticated look without giving up maximum protection and transmitting high quality.