DUCO Swimming Goggles for Adult - UV400 Protection, Anti-Shatter, Long Lasting Anti Fog, Mirror Coated Lens - Easily Adjustable Double Silicone Head Strap - Suitable for Indoor or Outdoor 7200 ?DUCO POLARIZED YELLOW LENSES? - Can reduce glare from the headlights of other vehicles, pavement, and other reflective surfaces by filtering light coming from different angles. These special lenses make colors and objects appear clearer, so you can see every detail of the open road. Polarized lens help restore true color. Keep vision vivid, eliminate reflected light and scattered light and protect eyes perfectly. ?Lens:TAC polarized lens, UV400 protection?It is impact resistance and scratch resistance, it will not be broken even if you hit the lens with hammer. Lens width:72mm(2.83 inches)-lens height:38mm(1.50 inches)-bridge width:15mm(0.59 inches)-arm length:145mm(5.71 inches).It is only 20g, You can hardly feel them on your face, but they are unbreakable. ?HOW TO TEST FOR POLARIZING GLASSES?- 1--Put the glasses in front of LCD screen and look through the lens--2--Turn the glasses 45 degrees--3--You will notice the color has changed.The light coming through should have been blocked,this means the lenses are POLARIZED ? HIGH QUALITY FRAME?made with metallic alloy that is ultra light weight yet strong and durable. It comes with spring loaded hinged legs and adjustable silicon nose pads which allows for maximum comfort and flexibility. ?30 DAY MONEY BACK GUARANTEE? - All DUCO customers enjoy 30 Day Money Back Guarantee. Customers can return and get refunded in case the purchasing is not satisfactory for any reason. You have no risk to try and we will provide you the best service!