Ferragamo Butterfly Sunglasses feature sculpted acetate frames and full-coverage lenses, designed for everyday sun protection and easy prescription fitting. Key attributes: Brown | Acetate | UV protection | Prescription lens compatible | Supplied with case and cleaning cloth | Butterfly frame | Full-tint lenses | Dimensions & fit: Lens width: 55 mm | Lens height: 47 mm | Bridge width: 18 mm | Arm length: 140 mm | Composition & care: Acetate | Clean lenses with a soft cloth and store in the supplied case when not in use.