These are very high quality Rayban which protects you 400% from UVA and UVB rays and gives you the polorized effects. Polarized sunglasses are specialized eyewear designed to reduce glare from surfaces such as water, snow, and glass. Glare distorts the true color of objects and makes them harder to distinguish. Polarized sunglasses can be useful for certain sports and driving, helping participants to see more clearly and avoid potential hazards. Polarized lenses are available in a variety of colors, depending on the material from which the lenses are made. Darker colors provide higher levels of polarization. PRODUCT FEATURES:- 1. Lens material:Glass 2. Lens color:Black Green 3. Frame material:Metal 4. Frame color:Black