Crtier Wood Frame Sunglasses (Tiffany) Model: CTO439S (004) Gender: Unisex Frame Size (mm)Lens Width: 54Bridge: 19Temple: 145 Frame Material: Metal, Wood Frame Description:New contemporary and sophisticated temples in wood or horn enriched with the iconic C Décor detail as a functional element of the hinge. Narrow polygonal shape with faceted lenses in a rimless construction to ensure a modern and contemporary look. Cartier logo plaque on temple tips as elegant signature of the Maison. Precious finish in gold. Lens: Green Anti-Reflective Nylon, UVA+UVB Protection Shipping: All Cartier brand frames will be shipped with Signature Required upon delivery. Warranty: 1 Year Manufacturer Handmade in Paris Lens OptionsLens Material Options (Single Vision & Progressive)Anti-Reflective Coatings help improve both your vision and appearance of your eyeglasses by reducing the glare caused by artificial light. • Plastic (CR-39) is our most basic material. We recommend this lens forpatients with low prescriptions due to the thickness and weight of CR-39. This lens has no shatter or scratch resistance. Anti-reflective coating is included.• Polycarbonate is the most common material used for patients. It is shatter & scratch resistant, and is lighter & thinner than plastic. We recommend this material for patients with a low to medium prescription. Anti-reflective coating is included.• Trivex is the newest material available on the market. This material is the most lightweight and provide the most clarity. We recommend this material for patients with a low to medium prescription. Anti-reflective coating is included with a 2-year warranty that covers any damage.• High Index 1.67 is great for patients with a medium to medium high prescription. This lens is about 20% thinner than polycarbonate.• High Index 1.74 is the absolute thinnest lens available anywhere. We recommend this lens to patients with a medium high prescription to a high prescription. This lens is about 20% thinner than High Index 1.67.