So you have the wine, the port wine, it breaks up into smaller categories based on what type of wine you drink.
What Makes a Red Wine Glass
Red wine glasses aren't designed differently than other wine glasses just for the sake of being different. No, believe it or not, they are designed with a specific purpose in mind.
* Red wine glasses have a red wine.
* The larger bowl is designed for a couple of reasons. A larger bowl allows red wine more exposure to air and the slight taper of the lip on the top of the bowl is designed to deliver the red wine to the right parts of the mouth, those being the back and sides of the tongue.