Ray-Ban Square RB2183 sunglasses pair a slim oval acetate frame with mirrored gradient lenses for a modern, refined look. Key attributes: Brown | Habana | Acetate | 100% UV400 protection | Category 2N lenses | Mirrored gradient lens treatment | Adjustable nose pads for a customized fit | Lightweight acetate temples | Includes original case and official warranty | Oval silhouette with slim frame | Double metal bridge | Ray-Ban logo engraved on lens and signature on temples | Dimensions & fit: Lens width: 53 mm | Lens height: 45.8 mm | Bridge: 21 mm | Temple length: 145 mm | Composition & care: Acetate | Clean with water and neutral soap; avoid dirty or abrasive cloths. Use only original accessories and replacement parts.