Product details - Description anti uv level uv400 100% uv protection mens sunglasses polarising layer lenses can effectively filter out excess light, weaken the strong light, make the dazzling light softer, play a good anti dazzling effect, make the field of vision more concentrated and keep the eyes always comfortable protect your day and night vision, uv400 lens technology lens technology anti reflective, photo chromatic, polarised hd polarised lens 100% uv400 protection lens blocks 100% harmful uva, uvb and uvc rays photochromic lenses the smart lenses darken when exposed to ultraviolet light of the intensity present in sunlight, but not in artificial light, so the lenses are dark in bright sunlight, but clear in low ambient light conditions suitable for driving, fishing, golf, holidays and every casual look package content 1x photochromic polarized sunglasses |