OTIS Up All Night Sunglasses Black Tortoise Grey Polarized. Brand new in box. Includes soft case - MINERAL GLASS- Mineral Glass is created from natural elements like sand and soda ash. It’s endlessly recyclable and harmless to humans and animals alike. It’s high resistance to scratching and lack of distortion make it the world’s best lens material. - 100% UVA/UVB PROTECTION - 6 BASE LENS CURVE- Lens 'Base Curve' is a measure of the front curvature of the lens. The higher the number, the greater the curve. 6 base lenses are generally flatter across the front. 8 base lenses have a greater curve for a more 'wrapped' look. - HANDMADE ACETATE FRAMES - VISSOTTICA HINGES WITH STAINLESS STEEL SCREWS Please let me know if you have any questions or need additional photos. Thank you and happy shopping!