Michael Kors Empire Square Sunglasses pair a butterfly-inspired square silhouette with acetate construction and gradient polycarbonate lenses for stylish, everyday sun protection. Key attributes: Black | Acetate | Dark grey gradient polycarbonate lenses | Impact-resistant lenses | Includes original Michael Kors case | Lightweight construction | Butterfly-inspired square silhouette | Brilliant finish | Sculpted acetate frame | Dimensions & fit: Lens width: 55 mm | Bridge: 18 mm | Temple length: 140 mm | Lens height: 47 mm | Recommended face shapes: Heart | Square | Oval | Size: 55 mm | Composition & care: Frame: Acetate | Lenses: Polycarbonate | Wipe lenses with a soft cloth; store in provided case.