Akoni Columba Sunglasses update a classic West Coast silhouette with bold, chunky acetate and precision titanium hardware. Ideal for all-day sunwear, they pair high-contrast CR-39 lenses with refined Japanese craftsmanship. Key attributes: Olive | Dark brown | Acetate | High-contrast CR-39 sun lenses | Three-layer anti-reflective coating | Custom titanium hinge plate with threaded tube screw system | Branded titanium temple tips | 8 mm Japanese acetate temples | Chunky 8mm Japanese acetate frame | Square/Wellington silhouette | Handmade in Japan | Dimensions & fit: Eye 54 mm | Bridge 19 mm | Temple 148 mm | Composition & care: Acetate | Titanium | CR-39