Maui Jim Kupaa 641 Sunglasses pair the brand's PolarizedPlus2 technology with SuperThin Glass lenses for crisp optics and reduced glare. The square, medium-fit nylon frame is designed for everyday outdoor wear. Key attributes: Light brown | Nylon | PolarizedPlus2 lens technology | SuperThin Glass lenses for crisp optics | Maui HT lens option for enhanced contrast | Rubber temple tips | 3-barrel hinge | Keyhole bridge for comfortable nose fit | Square frame | Full-rim construction | Signature native pattern on temple core exterior | Keyhole-style bridge | Dimensions & fit: Lens width: 55 mm | Lens height: 47 mm | Bridge: 18 mm | Temple: 145 mm | Medium fit | Composition & care: Nylon | SuperThin Glass | Rubber