Maui Jim Castles 728-2M sunglasses combine classic aviator styling with high-performance optics. Designed for clear, comfortable wear in bright conditions, they pair SuperThin Glass polarized lenses with a lightweight metal frame. Key attributes: Matte black | Monel | Polarized lenses | SuperThin Glass for crisp optics | High light reduction (Category 3) | Adjustable rubber nose pads | Traditional pin hinge | Classic aviator shape | Saddle-style fixed bridge | Nickel silver and acetate temples | Dimensions & fit: Eye 61 mm | Bridge 16 mm | Temple 140 mm | Composition & care: Frame: Monel metal | Temples: Nickel silver, acetate | Lenses: SuperThin Glass (polarized) | Wipe lenses with the included microfiber cloth and lens cleaner; store in case when not in use. Avoid abrasive cleaners and harsh chemicals.