Wonzone Polarized UV400 Protection Outdoor Sports Sunglasses with 5 Interchangeable Lenses for Men Women Cycling Running Ski Golf Riding Driving Fishing Hiking Glasses PC materials and Shatterproof lens Polarized lens - Eliminate glare and reduce eye fatigue ,Lenses ensures a better clarity of vision and remarkable color contrast.The lenses are coated with different function of coating layers such as anti-scratch layer,anti-impact layer,UV protection layer,polarized layer,shatterproof layer. Polycarbonate Frame:Makes the Sunglasses Flexible and Lightweight.Upgrade Design for Switching lenses, it's easy to switch the lens or install myopia lenses .With air holes one-piece lenses, makes the wind flows smoothly and increase comfort Different function of the 5 lenses-Black Polarized Lens:Eliminate glare and reduce eye fatigue,suitable for outdoor activities especially under a strong reflected sunlight environment;REVO Lens:Ensures a better clarity of vision and remarkable color contrast.Suitalbe for the people who usually under a strong sunlight environment. Blue lens:Filter the reflected sunlight from the water and blue sky.Suitable for seashore environment;Yellow lens:Remarkable color contrast at night so it is called night vision lens.Suitable for night use and foggy day;Clear lens:Offer a clear vision.Suitable for rainy day and overcast. 100% UV400 Protection Coating ,The sunglasses are great suitable for outdoor sports like skiing , riding ,driving ,racing ,fishing, cycling, motorcycle , running, climbing ,hiking, traveling, etc.