Akoni Calisto Optical Frame updates the classic aviator with a double-rim silhouette and a mechanically bolted brow bar. Crafted in brushed titanium, it balances lightweight structure with distinctive detailing for everyday wear. Key attributes: Black | Titanium | Durable titanium construction | Lightweight frame | Ceramic nose pads with beta-titanium arms | Custom titanium threaded tube screw hinge system | Custom titanium temples with fluted component | Compatible with prescription lenses | Aviator shape | Double-rim design | Brow bar with enamel inlay | Brushed finish | Dimensions & fit: Lens width: 51 mm | Bridge (distance between lenses): 23 mm | Temple length: 142 mm | International fit | Composition & care: Titanium | Ceramic | Acetate | CR-39 | Clean lenses with a microfiber cloth. Store in the included case when not in use. Avoid harsh chemicals and prolonged exposure to heat.