clear, functional styling in a compact silhouette - the dragon dx3. the dragon dx3 comes in a solid, well thought-out design and can be worn over prescription glasses. it has 100 % uv protection and a frame that guarantees a seamless interface between goggles and helmet. combined with high-quality features such as lumalens® lenses and a premium super anti-fog coating, the dx3 offers maximum functionality for every day on the mountain.lumalens® roselumalens® technology provides optimised colour and glare protection through an ionised lens coating. the hard coating is scratch resistant and repels dirt, dust, oil and water.transmittance of visible light: 35 %