Men's retro sunglasses with one-piece lens frameless coating, with colorful lenses. Suitable for sports, driving, fishing, etc. Wear sunglasses, first: you can reduce the burden of adjusting the ciliary muscle of your eyes under strong light, and let people see objects under the habit of natural light. This is the most comfortable time for human eyes. Second: wear sunglasses Not only is it to block harmful light, at the same time, in windy weather, it can also prevent sand and dust particles from entering people's eyes. To a certain extent, it has become the best haven for eyes.1.May I have a sample to test quality before I place the order? How much the sample cost? Sure ! 1)For our ready design, free sample is available, but freight is required. 2)For your design sample, both sample charge and freight are asked. 2.What is our payment terms? T/T, L/C, West union, Money Gram, Credit Card, Alibaba escrow. Highly recommend you to choose Trade Assurance Order. 3.Can I choose shipping method? Sure. Our factory has good cooperation relationship with DHL, FEDEX, TNT, EMS and other shipping companies. 4.Can I take samples? Of course. The sample time would be 3-5 days.1. When driving towards the sun, it can effectively block the sun's damage to the eyes, so that the driver can better make accurate judgments on the road conditions. 2. When driving away from the sun, it can also effectively block the sunlight reflected by the oncoming vehicle, so as not to cause temporary blindness when it is shot into the eyes. 3. When the driver has been driving in the tunnel for a long time and his eyes have adapted to the darkness, he will experience short-term discomfort once he leaves the tunnel. This can be effectively avoided if he wears sunglasses. A cutting-edge design with a sense of future beyond the standard. One-piece goggles, as a futuristic design for superior students in terms of recklessness and aura, are added by the rash and reckless aura. In combination with the array of metal pile heads, the style is avant-garde, creating a sense of new and sharp, and the atmosphere of the trend is blown away.