A serious hobbyist might have a different glass shape for several different wines - burgundy/pinot noir, cabernet/Bordeaux, chardonnay, sherry/port and champagne glasses, to mention a few. Cool, in a sense that the temperature is around 55 degrees Fahrenheit or 13 degrees Celsius. https://gentle-grape-kbzlc0.mystrikingly.com/blog/r-u-hennessy-vsop