All-day workouts just got easier with Ray-Ban RB8319CH Chromance Gradient Mirror Polarized Sunglasses. Always iconic, Ray-Ban polarized sunglasses are ideal for everyday, suave style that transcends fast-fashionan instinctive trait that Ray-Ban has authenticated. Lightweight, polycarbonate lenses offer 100% UV protection while blocking most reflected light and blue light. These Ray-Ban sunglasses offer polarized technology and have mirror coatings to virtually eliminate glare. In addition, these lenses have a gradient tint to reduce eyestrain, transitioning smoothly from a solid color to a transparent shade of the same color. To further heap on the benefits to you, they also boast Chromance technology, which brightens color and enhances contrast and provides unmatched clarity for optical precision you simply have to see. Strong metal frames boast carbon-fiber temples. Ray-Ban RB8319CH Chromance Polarized Sunglasses combine style and technology to bring out the best in your own style and high-performance activity. Imported.Manufacturer style #: RB8319CH. Lightweight polycarbonate lenses for 100% UV protection Polarized technology to control glare Mirror coatings to further control glare Chromance technology brightens color and enhances contrast Gradient tint to reduce eyestrain Strong metal frames have carbon-fiber temples Includes storage case and cleaning cloth