Peter And May's LT15 Five Again Sun combines a sturdy Mazzucchelli acetate frame with lab-grade lenses for reliable sun protection and everyday wear. Key attributes: Black | Bein blue | Mazzucchelli acetate | UV400 protection | Anti-reflective coating | OBE hinges with ISS technology | Custom temple tips | Durable construction | Full-rim acetate frame | Signature front rivet | Inner 3D-printed metal logo | Dimensions & fit: Lens width: 47 mm | Bridge width: 22 mm | Temple length: 145 mm | Composition & care: 6mm Mazzucchelli acetate (frame) | 2-base lenses (anti-reflective) | Metal hardware | Clean lenses with the included microfiber cloth; store in the case when not in use; avoid prolonged overheating; do not wear on the head.