Etnia Barcelona Nashville BRWH reflect quality in every aspect. The whole Etnia Barcelona Nashville collection has scratch resistant coating which prolongs the pristine condition of each pair. Optimal vision and clarity is achieved by an anti-reflective coating which is applied to all lenses. The Metal frames and RX Customisable are used with quality and long lasting wear in mind. All Etnia Barcelona Nashville eye wear offered by SmartBuyGlasses include free shipping and a 2 year warranty.