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.