Which Insulated Bottle is the Best?Insulated water bottles have been around for a long time, but in the last decade or so their popularity skyrocketed with brands like Hydro Flask and YETI. There’s no doubt that the dual-wall insulation technology in these bottles is a wonderful quality of life improvement compared to non-insulated bottles, especially if you live in a hot region. But if you look on Amazon today, you can find dozens if not hundreds of brands selling similar insulated bottles. So many people ask, which water bottle has the best insulation? We tested 10 popular water bottles to see how well they hold ice. The Best Insulated Bottle - A Video Review
If you'd rather watch the results, then check out our YouTube video below!
The ContendersWe primarily focused on 32-ounce bottles because that size tends tend to be very popular, but we did use some other bottle sizes for certain brands based on what was available. We also included a couple non-insulated bottles as a baseline, a Stanley classic thermos to see how the older style compares, and a triple-wall bottle because we hadn’t tested one before and we were curious if it’s the next best thing.
(click an image below to see the bottle on Amazon) The TestBecause the main purpose of an insulated water bottle is to maintain a temperature for longer periods throughout the day, we measured the weight of ice before and after the test as our main metric. We purchased an ice mold that creates larger sticks to limit the effect that surface area variations in different pieces of ice might have on the melting rate. Then we added one ice stick to each bottle and no water. After four hours, we poured the contents of each bottle into a strainer, then the remaining ice was dumped onto a scale. By comparing the weights of each ice stick before and after, we were able to get an idea of which bottle keeps ice the best. We then repeated this test three times and calculated the cumulative results.
Keep in mind that this experiment was intended just to give an idea if there are any major variations in insulation effectiveness. In an ideal experiment, we would have used a more accurate scale, used similar lids on all of the bottles, measured out the water into each ice mold to ensure the same volumes of ice were made, and used the same volume bottles across the board. With the disclaimers out of the way, here are the results! The ResultsThe cumulative results are summarized in the table below. You can see the percentage of ice that melted in the fourth column. A few things jumped out at us. The Luxe and Stanley Original bottles are in a league of their own with 36% ice loss. One factor to keep in mind with the Luxe bottle is that it’s only 22 ounces, and the smaller volume of air likely made the result look better than it really was. We also haven’t tested or used this bottle at all other than with this insulation test, so we’re not quite ready to recommend it yet. Regardless, this initial test of the triple-wall insulation showed promise, and this type of bottle is worth looking into more. The Stanley result was interesting too, given that this type of bottle has been around for a long time and is basically the OG of insulated bottles. After that, we have the Klean Kanteen TKWide, the YETI, Takeya, and Hydro Flask with between 49 and 52% ice loss. These results are very close and are certainly within the range of potential error, so there’s not much difference here. Next is the Iron Flask at 55% ice loss. But keep in mind that we only had a 40oz Iron Flask to test, and the larger volume of air likely made the ice melt faster. Based on this consideration, we feel comfortable assuming that the Iron Flask’s insulation is essentially the same as the previous group. ThermoFlask was the one outlier of the dual-wall insulation bottles. At 59% ice loss, ThermoFlask seemed to consistently test worse than the other similar bottles. And the Nalgene and Klean Kanteen classic had the worst results, but given that these are single-wall bottles and not insulated, this result was to be expected. We mostly just included them in the test as a baseline because we could see when the ice had finished melting in the Nalgene, and we were curious if the single-wall stainless-steel design would do any better. ConclusionsWhen we take a step back to think about these results overall, we can reach a few conclusions.
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With summer in full gear and news of heat waves across the country, make sure you stay safe out there. Keep cool by adding ice to your bottle, and if you're using a Hydro Flask with the Flex Cap, use SplashPro to keep your ice at bay. Designed specifically to fit wide mouth Hydro Flasks. It also fits Iron Flasks and Takeyas, but not Nalgenes.
My Soda Habit Story
I'll be 35 years old tomorrow, and I've had a soda habit since I was a kid. Growing up, it wasn't uncommon for me to drink 2, 3, or even 4 sodas per day. As you might guess, I've also been overweight most of my life too, which is certainly not a coincidence. But at 35, I finally kicked my soda habit. I'm down almost 10 pounds this year, and best of all, I feel like what I'm doing is sustainable.
Here's what's working for me, and hopefully it'll help you on your journey too. Step 1: Know the Problem
If you're reading this, then you've likely already heard or read about the major health issues that can result from regularly eating or drinking high levels of sugar.
And a lot of other people have too, judging Google Trends. The interest-over-time for "Low Sugar" has been slowly-but-steadily increasing over the last several years.
Google Trends - Searches for "Low Sugar" for the Previous Five (5) Years
Of all the ways that consumers regularly ingest sugar, sugary beverages are the primary culprits. These include:
According to the American Heart Association, the maximum recommended sugar intake is 36 grams of sugar per day for men. For women, it's 25 grams. Each one of the drink examples above is either right at those limits or way above them, all from one drink.
Seeing how bottle and can sizes vary, it's also interesting to look at the sugar concentration as shown below. One of the more surprising realizations for most people is how most fruit juices really aren't good for you. Sure they provide some benefits like vitamins and other nutrients, so in that way they are better than sodas. But the sugar content per ounce for Minute Maid orange juice is essentially the same as a Coke!
There are plenty of people smarter than me that study this topic for their day jobs, so I'll leave it to them to provide additional details and research about sugar and health. Here are some of the more helpful articles we've read.
The Centers for Disease Control and Prevention: Guidance on Added Sugars WebMD: How Sugar Affects Your Body American Heart Association: How Much Sugar is too Much? Healthline: 11 Reasons Why Too Much Sugar is Bad for You And keep in mind that diet sodas aren't free-and-clear of problems either. There is growing evidence that drinks with artificial sweeteners like aspartame and sucralose are bad for you as well, as discussed here. Step 2: Find Your Real Motivation
You can always have a combination of motivations, and many of these are related (like weight loss and long-term health). But whatever the situation, the key is to figure out what primary focus and goal really motivates you.
A Personal Story - My New Motivation
After reading articles about how sugar essentially acts like a poison and how sodas in particular are "empty calories" that provide no nutritional benefit, I knew it was in my best interest to quit.
Each time I tried to change, I would start off a few days or weeks without sodas, but then I would slip and start drinking them again. The most common backfiring strategies I used were:
The reason that these backfiring strategies worked on me was that I hadn't determined what my real motivation was yet. I said I wanted to lose weight, and that can work for many people. But the problem, for me, is that I'm fairly comfortable in my own skin already. Also, I have always been overweight so it's not easy for me to truly realize how much better I might feel to achieve a healthy weight. It was more abstract. But as I got older, something happened. I started thinking more about how little time we truly have, and how chronic diseases that we always read about and learned of back in school are very real. And then someone very close to me passed away. He smoked most of his life, and though he was finally able to quit a few years ago, by then the damage was done. He developed cancer and passed away earlier this year. He urged me to improve my habits now and to learn from his life experiences. This changed my motivational focus.
Instead of just wanting to lose weight, my new focus became achieving better long-term health. This seemingly small change in my focus and goals made all the difference for me.
Step 3: Strategies for Change
Once you know what really motivates you, it's time to start thinking about how you'll make changes.
There are many strategies that you can use to cut out soda from your diet. Here are a few.
A Personal Story - My New Routine
Honestly, I've used all of the strategies listed above to varying degrees. But the ones that helped me the most are #1 and #4. By drinking more water, I've been able to feel fuller and am less likely to drive to the store for a soda. And by using a flavored drink alternative, I can still take a break from "boring" water each day and satisfy my need for flavor.
This is what's working for me.
Need another bottle? Check out Hydro Flask's Amazon store.
Step #4 (If Needed): Don't Be Afraid to Reset
Stopping any habit can have its ups and downs. It took me over a dozen attempts over the years before I reached sustainable change. Don't feel ashamed if you don't succeed initially. Re-evaluate your motivations and strategies, and keep trying.
![]() After debuting just over 10 years ago, Hydro Flasks quickly gained traction as the go-to insulated water bottle. For many people, the simple benefit of having a bottle that is vacuum-insulated was enough of a selling point. For others, it's the clean, yet stylish design. Whatever the reason, Hydro Flask continues to build its following and shows no signs of slowing down. It's only natural what happened next. A whole range of accessories have been developed with the goal of making life with these amazing but cumbersome bottles a little easier. We here at BottlePro got involved in this niche early with our cup holder adapter, so we've seen it grow over the years, including new notable accessories coming available fairly often. Here are some of our favorites for the best accessories for Hydro Flasks in 2022 (focusing on 32 and 40 ounce bottles). ACCESSORIES FOR GETTING AROUNDThe most common accessories for Hydro Flasks involve making it easier to bring your bottle wherever your adventures take you. These include cup holders, bottles slings, and handles. #1: Cup Holder Adapter
#2: Stylish Bottle Sling
#3: Heavy-Duty Bottle Sling
#4: Leather Bottle Sling
#5: Paracord Handle
ACCESSORIES FOR PROTECTIONNext, consider investing in something that can help keep your bottle looking great for years to come. #6: Bottle Sleeve
#7: Bottle Boot
ACCESSORIES FOR FLAVOR AND ICENow that your bottle is easier to bring along with you on your adventures, it's time to think about ways to improve what you're actually drinking! #7: Flavor Infuser
#8: Ice Alternative
#9: Splash Guard / Ice Stopper
ACCESSORIES FOR CLEANINGIt's not the sexiest category, but you should certainly put some thought into cleaning your Hydro Flask. #10: Brush Kit
Bonus: Bottle Tablet Cleaners
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