Ray-Ban MR Burbank Sunglasses pair a squared acetate frame with brown crystal lenses for clear, reliable sun protection and everyday wear. Key attributes: Havana | Brown | Acetate | 100% UV protection | Category 3 sun protection | Non-polarized lenses | Full-rim frame | Compatible with prescription lenses | Includes original Ray‑Ban case (may vary) | Squared / rectangular frame | Striped Havana finish | Crystal brown lenses | Dimensions & fit: Lens width: 55 mm | Bridge: 20 mm | Temple: 145 mm | Lens height: 40 mm | Frame width: 130 mm | Available sizes: 52 / 55 / 58 (lens width in mm) | Size for this EAN: 55 / 20 / 145 (lens / bridge / temple in mm) | Composition & care: Acetate (frame) | Crystal (lenses) | Wipe lenses with a microfiber cloth; store in protective case when not in use; avoid abrasive cleaners and chemical solvents.