Brand - Smith Gender - Unisex Year - 2019 Frame Color - Tortoiseshell Lenses Color - Blue Polarized Frame Shape - Round Frame Type - Full Rim Frame Material - Carbon Fiber Lens Material - Polycarbonate PD Range 59-83mm Progressive Suitability Details Lens Type: Mirror. Base Curve: 4. Carbon Fiber: Polyamide is hypoallergenic and can be moulded to create very thin, lightweight frames. It's scratch and chemical resistant. Polycarbonate: Polycarbonate is lightweight, comfortable, impact resistant, and provides UV protection. UV Protection- Category 3 Glasses are like new. Come in original Smith soft case and ship in generic packaging.