Akoni Jura Sunglasses combine a rimless Japanese titanium structure with acetate rims and a layered "frame within a frame" design. They deliver sculptural depth and everyday refinement while maintaining lightweight comfort. Key attributes: Black | C black | Acetate and titanium | Anti-reflective coating | Category 2 tint | Lightweight | Custom titanium temples | Ceramic nose pads | Threaded tube screw system | Includes original case | Double-bridge construction | Geometric square silhouette | Layered "frame within a frame" design | Knurled temples | Dimensions & fit: Size (mm): 49/25-145 | Lens width: 49 mm | Bridge width: 25 mm | Temple length: 145 mm | Weight: 26 g | Composition & care: Cellulose acetate | Titanium | 12k gold | Nylon (lenses) | Wipe lenses with a microfiber cloth. Store in the original case. Avoid solvents and prolonged exposure to high heat.