10 Best thermoses 2026 in the United States
Our technology thoroughly searches through the online shopping world, reviewing hundreds of sites. We then process and analyze this information, updating in real-time to bring you the latest top-rated products. This way, you always get the best and most current options available.

Our Top Picks
Winner
Owala FreeSip Insulated Stainless Steel Water Bottle with Straw, BPA-Free Sports Water Bottle, Great for Travel, 32 Oz, Black Cherry
Most important from
129681 reviews
The Owala FreeSip water bottle holds a solid 32 ounces, which is a good size for staying hydrated during workouts, school, or travel without needing constant refills. Its double-wall stainless steel construction provides reliable insulation, keeping drinks cold for up to 24 hours—perfect for long outings or hot days. The bottle features a unique FreeSip lid with a built-in straw that allows you to sip upright or tilt back for bigger gulps, offering flexibility depending on your preference.
The push-button lid also includes a locking mechanism and carry loop, making it easy to transport and ensuring the spout stays clean when not in use. Cleaning is straightforward thanks to the wide opening, and while the bottle itself is hand wash only, the lid is dishwasher safe, which simplifies maintenance. It's BPA-free and safe for cold drinks but not designed for hot liquids, so if you need a thermos for hot beverages, this might not be the best match.
At just over 15 ounces, it’s lightweight enough to carry comfortably. The main downside is the hand wash requirement for the bottle itself, which might be inconvenient for some users. This bottle is well suited for active people looking for a durable, easy-to-carry, and versatile cold drink container.
Most important from
129681 reviews
Owala FreeSip Insulated Stainless Steel Water Bottle with Straw, BPA-Free Sports Water Bottle, Great for Travel, 24 Oz, Shy Marshmallow
Most important from
130235 reviews
The Owala FreeSip Insulated Stainless Steel Water Bottle is a solid choice for anyone looking for a durable and versatile thermos around 24 ounces in size. Its stainless steel build ensures good durability and safety, as it’s BPA-free, which means no harmful chemicals will leach into your drinks. The double-wall insulation is effective, keeping drinks cold for up to 24 hours, which is great for long days out or travel.
One standout feature is the patented FreeSip lid, which offers two ways to drink: you can sip upright through the built-in straw or tilt the bottle back to drink directly from the spout. This flexibility is convenient but does add a bit of complexity to the cleaning process. Thankfully, the bottle has a wide opening that makes it easier to clean and add ice, and it’s even dishwasher safe. The push-button lid comes with a lock and a carry loop, making it easy to transport and helping keep the spout clean when closed.
Its wider base may not fit into standard car cup holders, so it’s better suited for oversized holders or carrying in a bag. Weighing just about 1 ounce, it’s quite lightweight for a metal bottle, which helps with portability. This bottle is well suited for active users or travelers wanting cold drinks throughout the day who appreciate a secure and flexible drinking lid, but they may want to check cup holder compatibility before buying.
Most important from
130235 reviews
Owala FreeSip Insulated Stainless Steel Water Bottle with Straw, BPA-Free Sports Water Bottle, Great for Travel, 24 Oz, Black Cherry
Most important from
130235 reviews
The Owala FreeSip is a 24-ounce stainless steel water bottle that keeps your drinks cold for up to 24 hours thanks to its double-wall insulation. Its standout feature is the patented FreeSip spout, which lets you either sip through a built-in straw or tilt the bottle to drink from the spout, giving you flexible options on the go. The push-button lid locks securely, keeping the spout clean and preventing spills, while the attached carry loop makes it easy to bring along on trips, to the gym, or school.
The wide mouth design allows for simple cleaning and adding ice cubes, although the bottle isn't suited for hot drinks. It’s BPA-free and safe for the dishwasher (lid only), which adds to ease of maintenance. On the downside, since it’s hand wash for the main bottle, cleaning might take a bit more effort than bottles fully dishwasher-safe. Also, it’s primarily designed for cold beverages, so if you're looking for something that can handle hot liquids, this might not fit your needs.
If you want a versatile, spill-proof, and portable bottle ideal for cold drinks during travel or sports, the Owala FreeSip performs very well.
















