Unisex tortoise aviator full-rim eyeglasses frames with spring hinges are available in variety of colors to match any outfit. These affordable qualified grandpa retro-vintage browline eyeglasses include free single-vision prescription clear eyeglass lenses with AR and 100% UV protection, a case and a cleaning cloth. Keyhole bridges are their characteristics. Bifocal and progressive lenses are supported. A classic and flattering flat top design, made with ultimate comfort in mind. Decorative rivets add flair to this timesless style. Sporting a lightweight fit from the keyhole bridge and high quality acetate, these frames are ideal for everyday use. Available in four classic color options.