Marc Jacobs 879 KB7 Optical Frame pairs a modern rectangular acetate silhouette with subtle metal temple detailing for everyday prescription or non-prescription wear. The design prioritizes clean lines and comfortable nose support. Key attributes: Gray | Acetate | Compatible with prescription lenses | Demo/trial lenses fitted | Rectangular full-rim frame | Saddle bridge for comfort | Metal inserts on temples | Subtle logo detail on arms | Dimensions & fit: Lens width: 52 mm | Composition & care: Acetate