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. Etnia's model eyewear Hamburg has a masculine trapezoidal frame made of anodised aluminium with acetate temples. The Etnia Barcelona aluminium eyewear collection is characterised by its light weight, simple construction, and extensive range of anodised colours.