Product Features:
1.High-class PC glasses.-100% UV400 Protection Coating.
2.100% soft and Elastic Sport Belt.
3.Lightweight design is ideal for usage by cycling,running,fishing or other outdoor activities enthusiasts.
4.with 5 Interchangeable Lenses -for Different Environmental Condition
LIGHT BLUE LENS
Professional 400 anti-UV lens, can effectively filter the blue light which are reflected by sea water and blue sky, it’s more suitable for casual 、seaside and water sports.
TRANSPARENT FRESH LENS
Its main function exists in preventing eyes from undefined objects. It can also be worn at night to prevent mosquito and other flying into your eyes.
REVO COLORFUL HD LENS
Its the most personalized lens, with high-density revo coating, keeping the original color, improve visual clarity and contrast effectively.
GRAY POLARIZED LENS
Gray polarized lens suitable for strong sunlight reflection environment, suits a variety of sports, such as riding, fishing, hiking,and so on.
YELLOW NIGHT VISION LENS
It is suitable for evening, night, and bad environment such as fog or rainy day.

How to remove lens :
1.With two finger down carefully pull the two sides of the lens,frist down pull the lense from left side and then right sides.
2.Then push the nose bridge towards the top of sungasses until lens releases from top.
3.Then put lens down and out .

How to install lens :
1.Put the lens in the middle of the frames beam position, with his thumb to push lens until stuck.
2.Will the left lens alignment with left of slot position and advances up, the right sight do as the same. .
3.Until the lens in the mirror completely fixed as far.

Product Features

• LIGHTWEIGHT DESIGN–It is ideal for usage by motorcycle and cycling, driving, running, fishing, racing, skiing and climbing, Trekking or other outdoor activities enthusiasts. Inner frame can be used for shortsighted lenses.
• FRAME AND LENS–High quality Polycarbonate material and durable enough for long time using and also have 100% UV protection.5 Functional Shatterproof Interchangeable Lens.The Main Gray lens is Polarized lenses against strong Sunlight, the Other 4 Lenses are colored sunglasses for Different Environmental Condition.All lenses have 100% UV400 Protection Coating, block 100% of UVA, UVB and UVC rays, and harmful blue light.
• LIFETIME BREAKAGE WARRANTY ON FRAME &LENS–All DUCO Sunglasses are provided lifetime warranty. Whatever the reason is, you can have Lifetime Breakage Warranty on Frame & Lens.
• 30 DAY MONEY BACK GUARANTEE–100% satisfaction guaranteed. We are not only selling sunglasses but also providing excellent customer service. We promise if you are not happy with DUCO glasses within the first 30 days, we will refund you without any reason . SO NO RISK ON TRY!