Montblanc MB0478S Square-frame Sunglasses combine refined acetate construction with a bold square silhouette, offering polished everyday sunwear with a luxury finish. Key attributes: Brown | Acetate | Tinted lenses | Nose pads | Includes protective case | Square frame | Full-rim design | Temple logo detail | Dimensions & fit: Lens width: 54 mm | Bridge: 18 mm | Temple length: 145 mm | Lens height: 45.6 mm | Frame size: 54 | Composition & care: Acetate 100% | Wipe lenses with a soft, lint-free cloth; store in the supplied protective case.