Product details:

The RB3522 is the complete package. Casual, hip or formal, its strong design goes well with any style. This cosmopolitan makes its mark with a double bridge and sleek curved temple, all in contemporary materials. Available in two sizes to make sure that you'll find a great fit. You'll never have to compromise again. The lenses are distortion free thanks to the diamond tools that shape them and offer the wearer true UVA & UVB protection, together with also blocking harmful Blue light up to 400 nanometers. Gradient lenses follow the latest style trends in terms of shades and provide a wide range of colors creating exciting and unique looks. The Brown Gradient lens work well in partly sunny & sunny conditions. Description Lens Size The Ray-Ban RB3522 is available in 2 sizes. The regular 61mm lens size and the larger 64mm lens size. This is the regular 61mm. Clarity & Comfort Crystal lenses with anti-reflective coating have been shaped by Diamond Tools and offer distortion free vision. UV Protection Every lens blocks 100% UVA, UVB & harmful Blue light (up to 400nm) Impact Resistance Lens A steel ball is dropped on the lens from a height of 1.27m. After the chemical hardening, the impact resistance of Ray-ban glass is more than doubled. Scratch Resistance Lens Submitted to 500g of a special abrasive sand oscillating for 600 cycles. Compared to the most commonly prescribed lenses (CR-39), they are 12 times more resistant, thus exceeding by far the international standards Weatherproof Lens The Ray-Ban lens is exposed to consecutive cycles of UV light and moisture. The result after 120 hours of intense testing no visible change in the colour and no surface damages on the lens. Gradient Lens Gradient lenses are characterized by a smooth transition from a solid colour to a transparent shade of the same colour.