Ray-Ban BOYFRIEND REVERSE RBR0501S 6677VR sunglasses feature an inverted "reverse" lens design that follows the curve of the face for a flattering fit and distinctive look. The lightweight nylon frame and UV400 lenses deliver reliable sun protection for everyday wear. Key attributes: Black | Green | Nylon | UV protection (UV400, filter category 3) | Suitable for strong sunlight | Full-rim frame | Includes original case and microfibre cleaning cloth | Reverse (inverted) lens shape | Square silhouette | Shiny finish | Dimensions & fit: Lens width: 56 mm | Bridge: 18 mm | Temple length: 145 mm | Frame width: 130 mm | Lens height: 45 mm | Medium fit (size M) | Composition & care: Frame: Nylon | Lenses: Polyamide (plastic) | Clean lenses with the supplied microfibre cloth and lens cleaner. Store in the original case when not in use. Avoid exposure to extreme heat.