Acetate frame front - Black---Frame compatible with graduated lenses---100% UVA / UVB protection---Photochromic crystal lenses that darken in sunlight in less than a minute. After UV exposure, they gradually return to their initial state. They do not darken in artificial light.---Standard Fit---Lens-nose-temple measurement: 55-19-145 mm---Article comes with dedicated packaging---Other colors available
