The 30Montaigne B5U sunglasses enhance the line with a sleek low butterfly shape and urban elegance. The deep brown tortoiseshell-effect acetate frame is embellished with a functional CD hinge in gold-finish metal. Completed by blue lenses, the style will lend a couture touch to any look. Deep brown tortoiseshell-effect acetate frame. Blue lenses. CD signature on the left lens. Gold-finish metal CD signature hinge. Engraved Christian Dior signature on the right temple interior. 100% UVA/UVB protection. Filter category: 3. Suitable for prescription lenses. Made in Italy