Drinkware Reviews
Owala Water Bottles and Travel Mug Reviewed: Do They Live Up to the Hype?
We put Owala's two most popular water bottles and its SmoothSip Slider travel mug through insulation, leak, flow, and drop tests against 16 other top-rated brands.
Introduction
Owala has built one of the most loyal followings in drinkware: more than 90,000 five-star reviews, regular recommendations from media outlets, and over 2 million searches for the brand every month. That kind of momentum raises an obvious question: do the bottles actually perform as well as the hype suggests?
To find out, we tested Owala’s two most popular water bottles and its most popular travel mug against 16 other top-rated brands. We measured how well each one keeps drinks cold and hot, how leakproof they are, how fast they flow, and how well they survive drops. We also compared design, cup holder fit, one-handed usability, and how easy they are to take apart and clean. Here is what we found.
How We Tested
Owala claims its triple layer insulated water bottles keep drinks cold for up to 24 hours, and that its travel mugs keep drinks hot for up to 6 hours. We put both claims to the test with controlled measurements.
We filled the Owala FreeSip and FreeSip Sway bottles with water chilled to 43°F, then measured the temperature after 6, 12, and 24 hours, running the same test with eight other similarly sized insulated bottles. For the travel mug, we filled nine mugs with water heated to 190°F, placed them outside in temperatures well below freezing, and checked them after 1, 3, 6, and 15 hours. We also re-ran the hot test indoors and ran a separate cold-water test for the mugs.

Insulation Performance: Good, Not Class-Leading
For cold retention, both Owala water bottles ranked in the middle of the pack at every measurement. That sounds underwhelming, but the gap was small: after 24 hours, the water in Owala’s bottles was only about 3 degrees warmer than the best-performing bottle. For typical indoor use, especially within the first 6 hours, the insulation is genuinely good enough.
The travel mug told a different story. Keeping liquids hot is where the SmoothSip Slider struggled. After 6 hours outside in sub-freezing temperatures, the water had cooled to 99°F, which was 56 degrees cooler than the top performer. After 15 hours, it had dropped to 55°F, again well behind the field. Indoor performance was similar.
In the cold-water mug test, Owala ranked seventh out of nine, finishing behind brands like Zojirushi, Contigo, and Stanley, although the differences there were much smaller than with hot liquids. If you mostly drink cold beverages from your mug, this matters less. If hot coffee endurance is your priority, other mugs hold heat noticeably better.
Leak Test Results
We shook every bottle and mug upside down for 30 seconds, then tipped each one over three times.

The Owala FreeSip and FreeSip Sway bottles both passed the shake test with zero leaks. The FreeSip Sway stayed completely leakproof even when tipped over, but the original FreeSip bottle let a few droplets splash out when tipped. It was far from the worst performer in the test, but it was not as tight as the Sway and most other bottles.
The Sway has one important caveat: it is only leakproof when the lid is locked. Its small slider locks the lid so the button cannot be pressed. With the lid unlocked, a small amount of water came out on the first two tips, and on the third tip the bottle landed directly on the button, the lid popped open, and water spilled out. Forgetting to lock it, which is easy to do, could mean a soaked bag.
Both bottles also sling a few water droplets backward when you flip the lid open. It is a minor annoyance, but worth knowing if you are opening the bottle over paperwork, electronics, or someone’s face.
The SmoothSip Slider travel mug released a tiny droplet when shaken upside down and a few more when tipped over. Some competing mugs leaked much worse, but others, like Fellow and Zojirushi, did not leak at all.
Flow Rate
For hot drinks, a controlled flow rate matters so you do not pour too much piping-hot liquid at once. Filled with 16 ounces of water and held at the same angle, the Owala mug emptied in 16 seconds: neither too fast nor too slow. The water bottles all emptied within 3 to 5 seconds, so flow rate is not a meaningful differentiator across brands.
Drop Test and Durability
To simulate a bottle getting knocked off a table or falling out of a bag, we filled each one with water and dropped it from waist height twice: once on its side and once directly on the lid.

The Owala FreeSip bottle and SmoothSip Slider mug both came away with small dents and a few scuffs, but nothing major. The FreeSip Sway fared worse: when dropped directly on its lid, the lid popped open, water spilled out, and the closing mechanism broke. After that drop, the lid would no longer snap shut or stay closed.
It was not the only casualty. The S’well suffered a large dent on its metal cap, the Takeya and Hydro Flask both had large dents, and the Stanley’s lid cracked and became unusable. Several lids popped off entirely, including the YETI and Hydro Flask. Some brands, though, escaped with only cosmetic damage and no functional issues.
When we contacted Owala’s customer service about the broken lid, they replied in just 6 minutes. The damage was not covered under warranty, but replacement lids cost only $6.99 with free shipping. Not an ideal outcome, but the fix is inexpensive and the fast response was appreciated.
Design and Everyday Usability
The main reason Owala is so popular is the FreeSip lid. Instead of forcing you to choose between a straw and a spout, it gives you both: a built-in straw for sipping and a wider spout opening for drinking. The larger opening also improves airflow, so you do not have to suck as hard on the straw, and the spout is curved to fit your mouth, which makes drinking noticeably more comfortable than a typical straight spout.
Both bottle lids keep the drinking area covered when you are not drinking, so your mouth never touches an exposed surface. And because a single button press opens the lid, one-handed use is effortless, which is ideal for driving or multitasking.
The original FreeSip bottle has a small carrying handle that doubles as a lock: flip it down and it covers the button. The catch is that the handle only fits a couple of fingers, so it is not particularly comfortable. The newer FreeSip Sway fixes this with a much larger, more comfortable handle plus a dedicated locking slider, and the bigger handle gives you better leverage when twisting off the lid.
The SmoothSip travel mug uses a sliding button on top that opens and closes the spout with one hand. The button and gasket can be removed for cleaning. The lid has more parts than most mugs, but after a couple of tries, taking it apart only takes a few seconds.
The water bottles are similarly simple to clean. Both have a rubber piece inside the lid that pulls out, plus a gasket that seals the lid. The FreeSip gasket needs a butter knife to pop it off, while the Sway’s gasket pulls out by hand.
The main design trade-off is durability. The springs, locks, and moving parts that make these lids convenient are also the parts most vulnerable to damage. A simple screw-on lid has fewer components and less that can go wrong.
Owala FreeSip
The original FreeSip bottle delivers the signature straw-and-spout lid, a covered drinking area, and easy one-handed operation. It survived the drop test with only minor dents and scuffs, kept cold drinks well within a few degrees of the best performers, and only lost a few droplets when tipped over. The small handle that doubles as a lock is functional but only fits a couple of fingers, and the gasket needs a butter knife to remove. If you want Owala’s core experience at the most accessible entry point, this is it.
Owala FreeSip Sway
The FreeSip Sway is the more refined version of the formula. It has a larger, more comfortable handle, a dedicated locking slider, and a gasket you can remove by hand. It was the most leakproof of Owala’s bottles in testing, staying completely dry even when tipped over. The big caveat is durability: when dropped directly on its lid, the lid popped open, spilled water, and the closing mechanism broke, leaving a $6.99 replacement lid as the fix. Handle the lock with care and it is a genuinely convenient everyday bottle.
Owala SmoothSip Slider
The SmoothSip Slider travel mug offers smooth one-handed operation with its sliding spout button and a removable, cleanable gasket, plus respectable durability in the drop test. Its weakness is heat retention: in sub-freezing conditions, water cooled to 99°F after 6 hours, 56 degrees behind the leader, and it ranked near the bottom in the cold test too, trailing Zojirushi, Contigo, and Stanley. It is a pleasant mug for moderate use, but hot-drink drinkers have better options.
Should You Buy Owala?
The hype is understandable. The straw-and-spout combination, the covered drinking area, and the one-handed operation make Owala bottles genuinely convenient, they are simple to take apart and clean, and there are plenty of color options even if not every combination is a winner. The insulation is good enough for typical indoor use, especially within the first 6 hours.
The biggest downsides are the risk of leaks if you forget to lock the lid, the lid accidentally popping open, and overall durability around the spring-loaded mechanisms. If you want the best durability, leak resistance, and insulation, a bottle like a YETI or CamelBak serves you better, and in the travel mug category, Zojirushi was the clear winner in our testing.

Conclusion
Owala is worth buying if you value one-handed convenience and the flexibility of having both a straw and a spout. The FreeSip Sway is the stronger bottle of the two thanks to its better handle and locking system, while the SmoothSip Slider is best suited to moderate, mostly cold-drink use. If maximum insulation and bulletproof durability top your list, look elsewhere. For everyday hydration with a lid design that is genuinely nicer to use, Owala earns its reputation.


