Kaleos Boleyn Optical Frame pairs a geometric acetate silhouette with everyday comfort, designed to accept prescription or coated sun lenses for versatile use. Key attributes: Dark gray | Acetate | Lightweight construction | Durable frame | Fits standard ophthalmic lenses | Supports progressive and photochromic lens options | Even weight distribution for comfort | Geometric silhouette | Polished acetate finish | Dimensions & fit: Lens width 52 mm | Bridge width 19 mm | Temple length 145 mm | Proportioned fit for average face sizes | Designed for comfortable, all-day wear | Composition & care: Acetate | Wipe lenses and frame with a microfiber cloth. Use lens cleaner for optics and store in a protective case when not in use.