Otis Last Night Matte Black Violet DC while the 49 is a

while the 49 is a slightly refined fit

giving you a fun and eccentric look opposed to the wire frame Winston which helps to keep things a bit more buttoned up

nose bridge and nosepad fit for extended-wear comfort

Optics: 8 base melanin infused polycarbonate lenses

Environmentally Friendly

Otis Last Night Matte Black Violet DC while the 49 is aAn OTIS classic in a lens colour you'll struggle to find anywhere else. MINERAL GLASS LENS Mineral Glass is created from natural elements like sand and soda ash. Its endlessly recyclable and harmless to humans and animals alike. Its high resistance to scratching and lack of distortion make it the worlds best lens material. It really does have to be Mineral Glass. 6 BASE LENS CURVE Lens 'Base Curve' is a measure of the front curvature of the lens. The