Akoni Copernico is a modern round optical frame that pairs a sculpted Japanese acetate front with adjustable titanium temples for refined everyday wear. Key attributes: Black | Japanese acetate and titanium | Lightweight design | Durable construction | Prescription-ready | Adjustable Japanese titanium temples | Ceramic nose pads with beta-titanium arms | Threaded tube screw system | Round frame | Sculpted Japanese acetate front | Internal titanium double rim | Vintage-inspired silhouette | Dimensions & fit: Lens: 45 mm | Bridge: 23 mm | Temple: 152 mm | Narrow fit | Composition & care: Japanese acetate | Titanium | Ceramic (nose pads) | CR-39 lenses | Clean lenses with a microfiber cloth and store in the included case; avoid abrasive cleaners and high heat.