Ray-Ban RX 5451 Optical Frame combines a classic square silhouette with lightweight acetate construction for everyday wear. The Havana finish adds subtle tortoiseshell character for versatile styling. Key attributes: Brown | Havana | Acetate | Durable acetate construction | Lightweight feel | Full-rim frame | Comfortable temple tips | Prescription-ready | Square shape | Defined clean lines | Polished Havana finish | Dimensions & fit: Lens width: 50 mm | Bridge: 20 mm | Temple length: 145 mm | Lens height: 41.3 mm | High bridge fit | Standard face coverage | Composition & care: Acetate