Ray-Ban - Worn by legendary musicians and inspired by the 1960s counter culture, the Ray-Ban Round Sunglasses meet the new Evolve Lenses, sensitive to light exposure and able to adapt to every kind of environment. The result? An excellent visibility with any kind of light exposure.The UV400 protection ensures almost complete eye protection (99%-100%). Evolve lenses are available in different kind of tones.Category 2. General purpose sunglasses. Good protection against sunglare, good UV protection, not suitable for driving at twilight, at night or under dull light conditions.