Modern and stylish sports glasses with pH photochromatic glass with a light transfer from 82 to 17% and high contrast, which brightens your vispine against fog Fogs will ensure a clear view under any conditions large almost flat toric glass for insurmountable It gets on the glassmates made of high quality and lower grilamidununánable beam, which is rubberized as well as flexible feet for optimal deposition on the glass head: PC Polycarbonate category of glass: 0-3 color frame/glass: matt black/gold pH