Maui Jim Kahana GS640-17 Sunglasses pair MauiBrilliant optics with a lightweight titanium frame to deliver clear, polarized sun protection. The modern aviator-inspired square shape is designed for outdoor use and everyday wear. Key attributes: Gray | Silver | Titanium | PolarizedPlus2 lens technology | MauiBrilliant lenses for glass-like clarity and reduced weight | Neutral Grey option for high light reduction | Adjustable titanium nose pads | Prescription compatible (Rx-able) | Rubber temple tips for secure fit | Modern square aviator shape | Signature native pattern engraving on frame and temple tips | Full-rim frame, double bridge detail | Dimensions & fit: Lens width: 53 mm | Bridge: 19 mm | Temple length: 145 mm | Lens height: 43 mm | Large fit | Face size: Large | Composition & care: Titanium frame | MauiBrilliant lens | Rubber temple tips | Clean lenses with a microfiber cloth; store in a protective case when not in use; avoid harsh chemicals and high heat.