10 Best Thermal Coffee Mugs 2025 in the United States

The Owala SmoothSip Slider insulated coffee tumbler is a strong choice for anyone looking for a reliable travel mug. It holds 20 ounces, which is a good size for most coffee drinkers—big enough to last through a morning but still easy to carry. The stainless steel body provides solid durability and effective double-wall insulation, keeping drinks hot for about 6 hours and cold up to 24 hours, which is impressive for a mug in this category. The lid features a sliding spout design that’s leak-proof and helps prevent spills, making it convenient for on-the-go use. The SmoothSip Slider offers a comfortable drinking experience without awkward sips or splashes.

One downside is that the cup itself should be hand-washed, which may add a bit of extra care compared to dishwasher-safe mugs, although the lid is dishwasher-safe for easier cleaning. At 12.6 ounces, it’s lightweight and portable, fitting well in most car cup holders. The BPA- and phthalate-free materials add to its appeal for health-conscious users.

Priced to compete with other insulated tumblers, its combination of ease of use, reliable insulation, and spill prevention makes it especially suited for commuters and travelers who want a dependable coffee mug without fuss. Those who prefer dishwasher cleaning for the whole mug or need a larger capacity might want to look elsewhere.

The Ember Temperature Control Smart Mug 2 is a well-designed thermal coffee mug that keeps your drink at the perfect temperature between 120°F and 145°F for up to 80 minutes without being on its charging coaster. If you keep it on the coaster, it can maintain warmth all day, which is great if you often get distracted while drinking coffee or tea. The mug holds 14 ounces, a good size for a standard cup of coffee or tea. Its smart features let you control and monitor the temperature through an app, but it also works fine on its own with a preset temperature of 135°F. The mug automatically senses when you pour a hot drink and goes to sleep when not in use, helping save battery life.

It’s made with a scratch-resistant coating and is hand wash only—avoid the dishwasher to protect it. The mug is fully submersible up to 1 meter for easy cleaning, which is a plus compared to many other smart mugs. However, it does not come with a traditional lid, so it may not be ideal for carrying around without spilling.

Weighing about 1.6 pounds and with a charging coaster included, it’s best suited for home or office desk use rather than on-the-go. Its durable build and modern gray design make it a stylish and practical choice for those who want their hot drinks just right, but if you need a travel mug with a secure lid, this might not be the best fit.

The Ember Temperature Control Smart Mug 2 is a sleek, stainless steel thermal mug designed to keep your coffee or tea at the perfect temperature. With a 10-ounce capacity, it’s great for individual use, especially at a desk or home. Its standout feature is the precise temperature control, which you can adjust via a smartphone app or use the default setting if you prefer simplicity. The mug offers about 80 to 90 minutes of battery-powered heating, and if you keep it on its charging coaster, it can maintain warmth all day. The smart sensors detect when you pour a hot drink and automatically wake the mug, then put it to sleep when not in use, which helps save battery life. An LED indicator lights up when your beverage reaches the set temperature, so you always know when it's ready.

For cleaning, the mug is hand wash only but has a scratch-resistant finish and is submersible up to a meter, making it fairly easy to clean by hand; however, it is not dishwasher safe, which might be inconvenient for some. Portability is decent given its lightweight design, but since it relies on battery power, you’ll want to keep the charging coaster handy for all-day use. The mug is durable with its stainless steel body and protective coating.

This mug is well suited for those who want a smart, temperature-controlled drinking experience at home or the office, though it may not be ideal if you need something fully dishwasher safe or for long outdoor trips without charging options.