Akoni Sprint-A Sunglasses combine precision Japanese craftsmanship with a titanium frame and double-gradient CR-39 lenses for a refined, performance-driven look. Key attributes: Gray | A | Titanium | Double-gradient CR-39 lenses | Mirrored / flat lens option | Adjustable temple system for a custom fit | Includes hard case and microfiber cloth | Rectangle shape | Full rim | Mini side-shields with perforations | Brushed 12k gold accents with matte black finish | Dimensions & fit: Lens width: 55 mm | Bridge: 16 mm | Temple: 152 mm | Composition & care: Frame: Titanium | Lenses: CR-39 | Wipe lenses with a microfiber cloth; avoid abrasive cleaners and household solvents.