Ray-Ban Square Sunglasses RB4378 pair an angular square frame with versatile lenses for everyday wear. The design refines casual and smart looks while offering reliable eye protection. Key attributes: Brown | Havana | Acetate | Maximum UV protection | Gradient lens finish | Polarized lens option | Supplied with original case and cleaning cloth | Includes certificate of authenticity and guarantee | Square frame | Angular temple lines | Slim profile | Dimensions & fit: Lens width: 54 mm | Lens height: 47 mm | Bridge width: 16 mm | Temple length: 145 mm | Regular fit | High bridge fit | Composition & care: Acetate | Wipe lenses with the supplied cleaning cloth; store in the included case; avoid abrasive cleaners or solvents.