Akoni Eris Two Sunglasses pair a Japanese titanium structure with a geometric, octagonal-inspired silhouette for a modern statement. Designed for clear vision in bright conditions, they feature high-contrast CR-39 lenses with a mirrored finish. Key attributes: Blue | Navy | Silver | Titanium | High-contrast CR-39 lenses | Three-layer anti-reflective coating | Mirror/flash lens finish | Custom titanium temples with knurling | Threaded tube screw system | Ceramic nose pads with beta-titanium arms | Geometric aviator silhouette | Octagonal lenses | Contrasting matte and metal finishes | Dimensions & fit: Eye: 51 mm | Bridge: 19 mm | Temple: 140 mm | Size: 51-19-140 | Medium size | Composition & care: Frame: Titanium | Temples: Titanium | Lenses: CR-39 | Nose pads: Ceramic