The 30Montaigne B3U sunglasses stand out with an elegant butterfly shape and couture spirit. The frameless style is enhanced by gold-finish metal temples with a functional CD signature inspired by the hallmark clasp on the namesake bag. Completed by gradient purple-to-nude lenses, the statement design lends a modern Dior touch. Gradient purple-to-nude lenses. Thin gold-finish metal temples with CD hinge. 100% UVA/UVB protection. Filter category: 2. Not suitable for prescription. Made in Italy