What type of mug is used for serving coffee drinks?

The Irish coffee mug is specifically designed for serving Irish coffee, which is a popular mixed drink combining hot coffee, Irish whiskey, and sugar, topped with cream. This type of mug typically has a handle and is designed to withstand heat, allowing the drink to be enjoyed warm without risking burns. Its unique design often includes a curved body and a footed base, which not only enhances its aesthetic appeal but also makes it easy to hold while enjoying a hot beverage.

While other options like the beer mug, latte glass, and espresso cup are used for their specific beverages, they do not provide the same functionality or traditional association with coffee drinks that an Irish coffee mug does. The beer mug is intended for beers, the latte glass is designed for lattes (often served in a different style), and the espresso cup is specifically tailored for serving espresso shots. Thus, the Irish coffee mug stands out as the appropriate choice for serving coffee drinks, particularly those that are rich and warm.