Unisex matte black aviator full-rim eyeglasses frames with spring hinges are available in variety of colors to match any outfit. These affordable qualified grandpa double bridge hipster geek-chic eyeglasses include free single-vision prescription clear eyeglass lenses with AR and 100% UV protection, a case and a cleaning cloth. Double bridges and metal bridges are their characteristics. Bifocal and progressive lenses are supported. Vintage glasses, more commonly referred to as "grandpa" or "granny" glasses, are slowly making their way back into the trending scene. These glasses sport a double-bridged, square-shaped model and uses a mix of acetate and metal. The entire look is complimented by square lenses and a T-shaped nose bridge. This frame is highly recommend as sunglasses, or if you simply want eyeglasses with that iconic, vintage feel.