Tom Ford Calder Sunglasses pair a square acetate frame with smoke lenses for refined everyday sun protection and prescription compatibility. Key attributes: Black | Smoke | Acetate | Smoke tinted lenses | Prescription compatible | Includes protective case and cleaning cloth | Square frame | Signature T-logo at temples | Bold acetate temples | Dimensions & fit: Lens width 55 mm | Bridge 17 mm | Temple 145 mm | Composition & care: Acetate | Clean lenses with a soft microfiber cloth; store in the included protective case when not in use.