Rimless Polarized Sports Sunglasses with 5 Replaceable Lenses for Various Scenes, Outdoor Sports Glasses 5 functional lens: The Main Black lens is Polarized Lenses Against Strong Sunlight, the Other 4 Lens are Colored Sunglasses for Different Environmental Condition 100% UV400 Protection Coating: 7 layers coating filter out harmful lights in outdoor sports like skiing , riding ,driving ,racing ,fishing, cycling, motorcycle , running, climbing ,hiking, traveling, etc Lightweight Design: Made of Shatterproof and Flexible Polycarbonate(PC) lenses and TR90 unbreakable Frame. Light enough and make you comfortable to wear for a longtime without fatigues. ONE-PIECE Rimless lens to obtain a broader field of vision, reduce the risk of accident 90 days full money back guarantee. If you are unhappy for any reason, do not hesitate to contact us directly.