Ray-Ban RB4315 Sunglasses combine a sleek oval silhouette with mirrored glass lenses for clear, everyday sun protection. Key attributes: Black | Nylon | Glass lenses | Mirrored lenses | Oval shape | Full-rim frame | Gloss finish | Dimensions & fit: Lens width: 51 mm | Bridge: 21 mm | Temple length: 145 mm | Lens height: 40 mm | Medium frame size | Composition & care: Frame: Nylon | Lenses: Glass | Wipe lenses with a soft, dry cloth. Store in the included protective case.