Intelligent Perception & Photochromic Technology : 100% UV400 protection coating, blocks most of harmful UVA & UVB Rays,protect your eyes from Cataracts.and they could change the color to dark color with the sunlight intensity, reduce eye strain to better protect eyes perfectly , enhance you and your loved one's safety when driving.

Military Grade Material:Enhanced TAC HD Polarized Lens,they are more durable and flexible and have better impact resistance and scratch resistant performance and anti-glare performance, which certified to CE standards.

Ergonomics Design:Safety and comfort are paramount.AL-MG alloys are lightest and strong structural metal, they are ideal to make frame.Breathable and soft TPU nose pads, can Keep the nose in the prototype. And the flexible spring hinges fit different size of face , reduce the pressure on the face of the glasses.and anti-slip leg covers afford all-day comfort.

Fashion Design: Stylish and Rimless,these Polarized Glasses are perfect choice for men. Fashion Accessory and daily wear all year round. Good quality, very light is popular among the broad masses of men's deep.

90 DAYS MONEY BACK GUARANTEE: Our Sunglasses Great for motorcycles, cycling, driving, running, fishing, racing, skiing and climbing,trekking or other outdoor activities.We'll let you try them risk free for 90 days. If you're not completely satisfied for ANY reason, simply return it to us for your money back. Your complete satisfaction is our goal.