Maui Jim Kupaa GS641-15 sunglasses combine classic square styling with Maui Jim's PolarizedPlus2 protection and SuperThin Glass lenses for clear, high-contrast vision outdoors. Key attributes: Grass green | Neutral grey | Acetate | PolarizedPlus2 lens technology | SuperThin Glass lenses for crisp optics | High scratch resistance | Enhanced glare reduction and color contrast | Rubber temple tips | 3-barrel hinge | Traditional pin hinge | Square full-rim frame | Shiny transparent grass green finish | Signature native pattern on temple core | Signature slash on temple tips | Keyhole-style bridge | Dimensions & fit: Lens (W x H): 55 x 47 mm | Bridge: 18 mm | Temple: 145 mm | Medium fit | Composition & care: Acetate (frame) | SuperThin Glass (lenses)