Outdoor sports sunglasses - Restore True Color UV grade----100% of UV400 protection Product Size: Lens width: 4.9in / 125mm, Overall width: 5.4in / 137mm, Frame height: 2.3in / 58mm, Temple length: 4.4in /113mm. Weight:30g(0.065lb) How Polarized lens technology work? Light from the sun will either be absorbed or reflected horizontally, diagonally or vertically. Sunlight that is reflected off horizontal surfaces such as roads or water cause us the most problems with our vision. This reflected sunlight is called blinding glare. It can cause common problems such as discomfort, squinting, eye fatigue, headaches and sight disability. Polarized lenses contain a built-in, laminated filter that only permits vertical light to pass through, glare off of horizontal light. Feature the industry's most advanced technology and world class premium polarized film, our polarized lens creates an amazing difference ◎Suitable for any face type because it is Because it is equipped with adjustable temples including adjustable silicone nose pads. ◎Each pair of sunglasses has passed the polarized test (there is a polarized test card in our package, and the customer can also confirm the polarized again). ◎Our inspectors will carefully inspect each pair of glasses before shipment to ensure that the glasses are not damaged or scratched. Warm Tips： If the lens is not clean, please use water and soap, and wipe gently with a clean soft cloth. Avoid using all types of solvents or alcohol. If you have any questions, please contact us, we will be online 24 hours a day to solve your problems.