Greatest water bottles of 2021


With an limitless stream of water bottles making quite a few claims about technological improvements and insulating properties flowing into the market, it’s simple to get misplaced in all of the choices.

To find out which bottles are really value their price ticket, we culled hundreds of insulated water bottles all the way down to 15 contenders after studying by way of critiques and looking bestselling bottles throughout the web. We then put them by way of a litany of assessments to find out which is the best possible. (For extra on our testing course of, scroll down.) After two months of testing and consuming an entire lotta water, we narrowed down our picks to 2 bottles that stood out from the remaining.

Greatest general water bottle

The Yeti Rambler got here out on prime throughout our testing due to its stellar thermoregulation, superb sturdiness and unbelievable chug cap that offers you a snug and fast consuming expertise, whereas sustaining easy accessibility to the superwide mouth.

Greatest funds water bottle

The 21-ounce Wholesome Human Stein was a shock standout in our testing for its sturdiness and efficient thermoregulation. We did not love the lid, however you’ll be able to add the optionally available Flip n’ Sip lid to make the consuming expertise simpler. Plus, it is available in a dizzying vary of colours and three sizes to suit most tastes and desires.

26-Ounce Yeti Rambler

Kai Burkhardt/CNN

26-Ounce Yeti Rambler

Whereas the Yeti Rambler is a bit on the pricier aspect, this water bottle is well the most effective one we examined. Not solely does it preserve your drinks scorching or chilly for hours and hours, it’s solidly sturdy and has the most effective lid we’ve ever examined. Plus, the Rambler is customizable, accessible in 14 colours and 5 sizes (12-ounce, 18-ounce, 26-ounce, 36-ounce and 46-ounce) and it’s even dishwasher-safe.

Whereas there are different bottles with nice insulation which can be fairly sturdy, what pushes the Rambler previous some other possibility available on the market in our eyes is its standard-issue chug cap. This lid is product of two parts: one which screws into the bottle and incorporates a spout, and one other that twists on prime of that to maintain it protected. This two-tiered system signifies that everytime you need to take a swig of water, you’ll be able to unscrew the highest and chug away out of the spout. However when it’s time to refill your bottle with water and ice, you’ll be able to take the entire contraption off, revealing the Yeti’s ultrawide mouth.

The Yeti Rambler's Chug Cap

Kai Burkhardt/CNN

The Yeti Rambler’s Chug Cap

Different bottles we examined provided spout lids, however these usually have to be bought individually, and none of them labored as seamlessly because the Rambler’s. The Rambler simply had the best consuming and filling expertise out of all of the bottles we examined due to this lid, which additionally retained little to no espresso taste after our assessments.

Better of all, we love that with the Rambler you don’t have to surrender a lot on aesthetics to get top-notch efficiency. The Yeti bottle is available in a bunch of daring, fashionable colours, together with a lightweight blue, an olive inexperienced and even an eye catching pink. What’s extra, beginning at an additional $5 you’ll be able to customise your bottle with all types of designs from plain textual content and monograms to state emblems and even logos you add your self.

The Yeti Rambler strikes the right stability between being a sturdy, insulated bottle which you can take in your roughest adventures whereas nonetheless wanting good when it’s standing in your desk. Its customizability, ease of cleansing and ingenious chug cap are all the reason why regardless of the place you go, we expect you’ll love having a Yeti Rambler at your aspect.

21-Ounce Healthy Human Stein

Kai Burkhardt/CNN

21-Ounce Wholesome Human Stein

Hovering round $20 relying on which colour you select, this water bottle from Wholesome Human was one of many prime bottles we’ve examined. Its counterpart, the Wholesome Human Curve, really received our general greatest spot final 12 months. The Curve has had some points with inventory and is typically arduous to seek out, however fortunately the Stein is principally the identical bottle because the Curve, simply with out the wavy design, which helped the bottle’s ergonomics however was a love-it-or-hate-it from the aesthetics aspect.

Together with the opposite bottles we examined this 12 months, the Wholesome Human did a superb job at retaining temperature, particularly over our shorter time intervals. Plus, throughout our first batch of testing it scored the best out of all of the bottles we examined for sturdiness. After dropping it on its backside in addition to on its lid, the bottle barely confirmed indicators of abuse, except for some paint chipping on the underside. It was one of many solely contenders that didn’t flip right into a wobbly vessel that would barely arise. Coming in at 21 ounces, its success in the course of the drop check might have been attributable to it being one of many lighter choices, although the 26-ounce Yeti and different smaller bottles we examined didn’t carry out as properly when given the identical remedy.

The place the Stein falls a tad brief is its lid and mouth. The mouth isn’t almost as massive because the Rambler’s, so whereas filling up the bottle isn’t a chore, it’s positively more durable to get ice in as rapidly as you’ll be able to with the Yeti. The lid comes geared up with a carabiner and didn’t retain any bitterness after our espresso check; nonetheless, it’s a easy screw-on lid, so that you drink immediately from the bottle’s mouth as a substitute of from a spout. You may, nonetheless, purchase the Healthy Human Flip n’ Sip lid for an additional $14.99, which makes the consuming expertise a lot better.

The Stein is available in 39 completely different colour choices and three sizes (16-ounce, 21-ounce and 32-ounce), with completely different availability relying on the dimensions you select. The choice isn’t restricted to base colours like different bottles, and contains enjoyable designs equivalent to Mirage, Willow Oak and extra. The Wholesome Human Stein additionally is available in recyclable packaging, which is good for these motivated to purchase a reusable bottle to reduce plastic waste.

The Healthy Human Stein is a strong bottle that may preserve your drinks scorching or chilly for so long as you want and received’t instantly dent or break whenever you drop it. Its lid isn’t the most effective, however its colour choice and remarkably low value make it a bottle value shopping for.

For our 2021 replace, we retested a handful of top-performing water bottles, conducting one other spherical of thermoregulation assessments and including a espresso check to see if the bottles or lids retained any bitterness after being washed.

Most bottles we examined had related thermoregulation talents, so we measured over a shorter time frame on this 12 months’s assessments to imitate on a regular basis conduct. In our authentic testing, we measured scorching water after 12 hours and chilly water after 24, however this time we reduce down the testing time to 6 hours for decent and 12 for chilly because you (hopefully) received’t be consuming nine-hour-old espresso, and if you happen to’re maintaining in your daily intake of water, it ought to positively be time for a refill earlier than the 24-hour mark.

Because the top-tier bottles have related thermoregulation talents, we paid extra consideration to issues that can have an effect on your expertise on a day-to-day foundation like sturdiness and drinkability. Our two winners had been the 2 most sturdy bottles we’ve ever examined, each popping out comparatively unscathed after being dropped 3 times onto concrete.

We spent hours testing all 15 water bottles to verify they met the calls for of on a regular basis use. That meant testing how lengthy they preserve water chilly, how lengthy they preserve water scorching, how they fare throughout a drop, how simple they’re to drink from and a lot extra. Right here’s a breakdown of what we examined and the way we did it:


  • Sizzling water check: We poured water simply after it had completed boiling (beginning temps all measured inside just a few levels of one another, starting from 202.four to 207.1 levels Fahrenheit) into every of the bottles and measured the temperature with a liquid thermometer instantly after the pour, then after six hours and 12 hours. For our second spherical of testing we solely measured once more after six hours.
  • Chilly water check: We poured faucet water from a sink on its coldest setting immediately into the bottles and measured the temperature (beginning temps all measured inside 1.four levels of one another, starting from 47.5 to 48.9 levels Fahrenheit) with a liquid thermometer instantly after the pour, then after 12 hours and 24 hours. Throughout our second spherical of testing, we stuffed the bottle all the best way up with ice, then poured chilly water and measured the temperature after 12 hours.
  • Drinkability: We drank from the bottles’ normal caps each whereas standing nonetheless and strolling, noting how susceptible every bottle was to spilling and splashing.
  • Leak check: We shook the bottles, held them the other way up and threw them in a backpack for a commute to see if any water leaked.
  • Espresso check: We poured freshly brewed espresso into every bottle and laid it on its aspect for a number of hours. Then we washed the bottle and lid and performed a style check to see if both element retained any taste from the espresso.


  • Drop check: We dropped every bottle 3 times from 5 ft above concrete on its lid and 3 times from 5 ft above concrete on its physique. We famous if the bottle was nonetheless usable (if the insulation or lid broke), then assessed the quantity of dents and different harm.
  • Cleanliness: We tried to scrub every bottle with a standard sponge, then with a bottle brush. On this check, we additionally thought of how rapidly we might add ice to the bottle.


  • Weight: We weighed every empty bottle in kilos on a meals scale.
  • Carrying choices: We famous any loops on the bottles, what number of average-size fingers match inside and the way comfy it was to carry.
  • Grip: We felt the paint on every of the bottles and ordered them from least grippy to most.

S’properly 25-Ounces ($45;

We beforehand named the S’properly bottle the most effective bottle for holding temperature, however after reconsidering the way you’d use a water bottle in a day-to-day capability, figured that whether or not a bottle can retain temperature higher than others over 24 hours isn’t as essential as sturdiness and drinkability. Due to that, the S’properly bottle dropped a bit in our rankings as a result of it received extraordinarily dented in our drop assessments, and its small mouth means it’s rather a lot more durable to scrub, and filling it up with regular ice is principally unimaginable.

Klean Kanteen TKWide ($39.95;

The wide-mouth model of Klean Kanteen solves the small-mouth downside on the usual Klean Kanteen bottle (which we additionally examined), and touts a big lid and a sturdier physique. It carried out amazingly within the authentic chilly water check, coming in second behind the S’properly, however didn’t do as properly with scorching water. For those who’re not into the Yeti or the Wholesome Human, the Klean Kanteen TKWide can be our subsequent choose.

Hydro Flask Large Mouth ($44.95;

A Hydro Flask is a Hydro Flask. For those who’re already set on shopping for one, you received’t be disillusioned, however we simply don’t assume it’s the best choice on the market. It’s a great-looking bottle, however its efficiency wasn’t on par with lots of the different choices we tried. The most important warning we’d give is to not drop the Large Mouth model on its lid, as a result of it popped proper off and spilled water in every single place throughout our assessments. The primary time this occurred we thought it could possibly be a defective lid, however after a second lid had the identical downside, we determined to pin it on poor design.

Hydro Flask Normal Mouth ($34.95;

The Normal carried out equally if not higher than the Large. Plus, it’s smaller, which implies much less weight to hold round. You may’t pour ice in as quick, however the smaller opening additionally means it’s simpler to drink from. Simply watch out about drops. After our assessments it received so broken it misplaced its insulation talents.

Klean Kanteen Traditional ($39.95;

This Klean Kanteen had stellar performances with thermoregulation. The most important downsides had been the small mouth (with a weirdly tiny lid) and the truth that the physique received so broken it precipitated the insulation know-how to fail.

CamelBak Chute Magazine ($36;

This bottle carried out fairly properly, particularly with thermoregulation. The lid has somewhat magnet so it doesn’t hit you within the face when you drink. Its largest draw back: The cap broke off after we dropped it.

CamelBak Carry Cap ($36;

For those who’re contemplating CamelBak, go along with the Chute Magazine over the Carry Cap. The lid on the Carry Cap has an enormous loop, which is good to carry, however it snapped off fairly simply in the course of the drops.

Miir Bottle ($29.95;

The Miir additionally did properly in thermoregulation, outdoing each the Yeti and Sigg. Nonetheless, it misplaced favor in the course of the drop check, when the lid broke on the primary drop. We didn’t check wide-mouth Miir bottles, solely the usual. For those who’re cautious, Miir is a good possibility for a smaller, moveable bottle.

Sigg Sizzling and Chilly One Thermo Flask ($35.15;

This bottle carried out properly in the course of the temperature assessments, nearly matching the Yeti Rambler. It’s a handsome bottle that includes a lid with a locking mechanism and a built-in tea filter. The place it actually fell aside was after we dropped it on that lid. It broke on the primary drop. You may usually order substitute lids (although they’re out of inventory now), however in comparison with the opposite bottles it simply wasn’t sturdy sufficient.

Snow Peak Kanpai Bottle ($79.95;

This bottle is gorgeous, scoring the best in pure design. Nevertheless it’s additionally costly and scored the bottom in our testing, particularly in thermoregulation, the place it had the third-worst rating after the Takeyas. The lid shattered on the drop check.

Stanley Straightforward Clear ($23.59, initially $25;

This bottle carried out quite properly in retaining water chilly, however not almost as properly with scorching water. The lid additionally fared very well in the course of the drops, however the physique received giant dents on the underside. What introduced its rating down had been the little issues: not as many sizes, lids or colour choices; it was on the heavier aspect; and it wasn’t as simple to hold.

Takeya Normal ($24.99, initially $29.99;

The Takeya bottle underperformed with thermoregulation. The cap encompasses a nifty little spout for quick consuming that unscrews to disclose a large mouth, however it simply wasn’t sufficient to beat the poor insulation.

Takeya Lively ($34.99;

The Lively is principally the identical because the Takeya Normal, with just a few good enhancements. Most notably is the rubber boot on the underside, which is properly value the additional $5 if you wish to purchase a Takeya. Whereas it didn’t utterly eradicate dents, it made an enormous distinction and prevented any paint chipping on the underside.

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