Duco Night-vision Glasses Polarized Night Driving Men's Shooting Glasses 8177 metal frame anti-reflective lens polarized Lens width: 65 millimeters 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 protectionIt is impact resistance and scratch resistance, it will not be broken even if you hit the lens with hammer. Lens width:65mm(2.56 inches)-lens height:40mm(1.57 inches)-bridge width:15mm(0.59 inches)-arm length:130mm(5.12 inches).It is only 25g, You can hardly feel them on your face, but they are unbreakable. BEST LIGHT ENHANCING LENS TINT (Pale Yellow Lenses) - Enhance contrast in low to extremely low light conditions, haze, etc. Some of our customers say DUCO glasses combat eye fatigue, reduce drowsy driving at night and maintain your focus on the road. 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 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! You can return this item for any reason and get a full refund: no shipping charges. The item must be returned in new and unused condition. Go to Your Orders to start the return Print the return shipping label Ship it!