Cutler and Gross 1393 Square Opticals are a sculptural acetate frame defined by a defiant square silhouette. Designed for everyday wear, they pair with a wide range of styles and accommodate prescription or filter lenses. Key attributes: Black | Acetate | Handmade in Italy | Compatible with prescription, plano and blue light filter lenses | 5-barrel hinges | Fret board temple core | Engraved core wire | Square silhouette | Oyster frontal pins | Compass star temple pins | Pronounced nose bump for ventilation | Reverse milling | 8mm acetate finish | Fender-style temple | Dimensions & fit: Frame width: 150 mm | Lens width: 50 mm | Bridge width: 23 mm | Temple length: 150 mm | Size: Medium | Bridge fit: Wide | Suggested face shapes: Round | Oval | Heart | Ideal for those with high nose bridges and for all-day wear | Composition & care: Acetate | Clean lenses with a microfiber cloth and suitable lens cleaner. Avoid abrasive cleaners and extreme heat. Store in the supplied case when not in use.