Ruben Transparent Coffee Brown

The sunglasses are made from 28% recycled and 48% bio-based acetate from Mazzucchelli in Italy. The hinges has special rubber coating, making the friction and longevity perfect. The sun lenses are Columbia Resin 39 (CR39) with an anti-reflection coating on the inside and a special UV filter with protection up to 400 nm and an index of 1.5. Lens category 3: The sunglasses provide a high level of sun glare reduction and good UV protection.