The Ray-Ban Chromance polarized sunglasses rely on pioneering design and high performance features. The bold profile of this powerful new squared shape with exclusive new lenses takes game changing, high performance vision to a whole new level. This lightweight, flexible nylon fiber frame flaunts revolutionary Chromance lenses in bright blue flash or on-trend mirror shades, which maximize contrast and enhance color perception for a brighter, perfectly clear vision of life that moves as fast as the most active urban players. Live the revolutionary experience of the Chromance lens technology in total style. Best Use: Streetwear/Driving, Lens Material: APX Plastic, Frame Material: Nylon, Polarized: Yes, Face Size: Medium, Nose Pads: Yes, Warranty: 1 Year, Lens Type: Polarized, Model Year: 2019, Product ID: 577704, Frame Shape: Square, Model Number: RB4264 601SA1 58, GTIN: 8053672644951