Silver frame, Photochromic Clear lens transitions to Black lens.
Photochromic lenses are optical lenses that will darken when they are exposed to specific types of light of sufficient intensity, In the absence of sunlight the lens will then return to their clear state.
Uniquely Designed To Protect Your Eyes From The Outdoors & Artificial Light Indoors. MSG photochromic glasses are for fashion purposes and are not yet presciption or reading glasses. MSG glasses are multi purpose and suitable for all Lighting And Temperature Conditions. MSG frames are lightweight and flexible which makes them comfortable to wear all day and night.