Ray-Ban State Street Blue-Light Clear Evolve sunglasses are a modern square shape with a unique, striking style. The blue light filter treatment on grey blue lenses reduce blue-violet light exposure from natural and artificial sources, making them perfect for those who spend time in front of screens. Crafted from durable acetate material with havana on transparent brown frame color, these frames have an understated yet trendy look that makes them perfect for both work and play.