Attention to detail, hand finishing and precision manufactured, wherever you are these sunglasses certify that you are a member of the exclusive Riva fan club. They are inspired by the unmistakable, timeless design of Riva boats and the details that made nautical history. 100% Made in Italy, with a new patented system protecting lenses from knocks and scratches, these glasses are made with cellulose acetate derived from processing cotton fibres. The lenses designed for this frame are supplied by the Zeiss company, manufacturer and world leader in precision optics. The result is a pair of polarized and non-reflective lenses as a pure art visual experience.