This lens shape, GN, is the lens shape worn by Stephen Colbert and Colin Powell.  If you like this lens shape, then please type its name in the 'Lens Shape-Size' box in your frame order page.  Please also include your preferred lens size.  The numbers shown refer to the most common lens sizes (width in millimeters).  These sizes are customizable.  If you are still not sure, don't worry, we review every order to make sure your choices are the best possible match for your prescription.