Designed with flat lenses, Barton Perreira's Marvalette sunglasses are handcrafted of tan and tortoiseshell colorblocked acetate. Handmade. Oversized round shape. Clear nose guards. Core wire visible at temples. Smokey Topaz (brown) gradient flat lenses. 57mm eye size. 17mm bridge size. 143mm temple size. Available in Tan/Havana (tortoiseshell). Acetate. Made in Japan. Includes hard protective case and cleaning cloth.