Why do thick cups cool hot beverages faster than thin cups. How do you explain this?

Thick cups cool hot beverages faster than thin cups because they have more insulation, which helps retain the heat of the beverage for a longer period of time. Thicker materials are better at trapping heat and preventing it from escaping, making the beverage stay hot for a longer period of time. An analogy to help understand this concept is to think of a thick winter coat versus a thin sweater. The thick winter coat will keep you warmer for longer because it has more insulation, just like a thick cup will keep your beverage hotter for longer. Additionally, a verifiable fact is that a study conducted by the University of Nevada, Reno found that thicker ceramic mugs retained heat for a longer period of time compared to thinner ceramic mugs. This supports the idea that thicker cups cool hot beverages slower than thin cups.