5 Best Travel Coffee Mugs of 2025. I Tested 15 for Leaks and Heat Retention

Every mug I tested got a vigorous upside down shake. Pamela Vachon/CNET A good travel coffee mug should keep your coffee hot for at least several hours, but that’s the easiest metric to achieve here. Even the non-insulated options I tested are good for about an hour, which may work for a lot of sipping on the go lifestyles. To that end, I started with 160-degree liquid inside each of the models and checked them with a digital thermometer every hour for 6 hours to see how well they kept the heat. (Many brands promise up to 12 hours for hot liquids, but that’s also dependent upon not opening and closing the mug repeatedly to check for temperature.) Biolsi offered the following insight as a benchmark: “The ideal temperature for coffee depends slightly on personal preference and one’s own ability to handle hot beverages, but generally, a range of 120 to 140 degrees Fahrenheit is recommended,” she says. “This allows you to experience the full complexity of the coffee’s flavor at a drinkab ... Read full article.