Maui Jim Castles 728-2M Sunglasses combine classic aviator styling with Maui Jim’s SuperThin Glass polarized lenses for crisp optics and reliable sun protection in bright conditions. Key attributes: Black | Monel | Polarized lenses | SuperThin Glass lenses | High UV protection | Includes protective case and microfiber cloth | Aviator teardrop shape | Double bridge | Traditional pin hinge | Composition & care: Monel frame | Nickel silver components | SuperThin Glass lenses | Wipe lenses with a microfiber cloth and lens cleaner. Store in protective case when not in use.