Dita Grandmaster-Nine sunglasses combine thick Japanese acetate construction with precision titanium hardware for a bold, heritage-inspired square frame. Built for everyday sun protection, they pair high-quality CR-39 lenses with artisan detailing. Key attributes: Black | White Gold | Acetate and Titanium | 100% UVA/UVB protection | Anti-reflective coating | CR-39 lens material | Integrated nose pads | Titanium hardware at hinges | Includes magnetic box, microfiber soft case and cleaning cloth | Proprietary titanium hex screws | Square acetate frame | Thick acetate construction | 3-barrel titanium hinge plate with enamel inlay | Logo hardware at temple tip | Dimensions & fit: Lens width: 54 mm | Lens height: 41.2 mm | Lens curve: 4-BASE | Bridge: 20 mm | Temple: 145 mm | Frame width: 146 mm | Frame height: 50.1 mm | Compact fit (more compact than previous Grandmaster iterations) | Composition & care: Acetate (frame) | Titanium (hardware) | CR-39 (lenses) | Clean frames with lukewarm water and mild soap; rinse and gently dry with the provided microfiber cloth. Use lens cleaner for lenses and store in the provided case.