Finest water bottles of 2021



With an countless stream of water bottles making quite a few claims about technological improvements and insulating properties flowing into the market, it’s straightforward 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 17 contenders after studying by evaluations and searching best-selling bottles throughout the web. We then put them by a litany of checks to find out which is the best possible. (For extra on our testing course of, scroll down.) After two months of testing and ingesting a complete lotta water, we narrowed down our picks to 2 bottles that stood out from the remainder.

Finest total water bottle

The Yeti Rambler got here out on high throughout our testing due to its stellar thermoregulation, wonderful sturdiness and incredible chug cap that provides you a cushty and fast ingesting expertise, whereas sustaining easy accessibility to the superwide mouth.

Finest 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 may add the elective Flip n’ Sip lid to make the ingesting 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 definitely the perfect one we examined. Not solely does it hold your drinks scorching or chilly for hours and hours, it’s solidly sturdy and has the perfect lid we’ve ever examined. Plus, the Rambler is customizable, out there in 14 colours and 5 sizes (12-ounce, 18-ounce, 26-ounce, 36-ounce and 46-ounce) and it’s even dishwasher secure.

Whereas there are different bottles with nice insulation which might be fairly sturdy, what pushes the Rambler previous another choice in the marketplace in our eyes is its standard-issue chug cap. This lid is fabricated from two elements, one which screws into the bottle and accommodates a spout and one other that twists on high of that to maintain it protected. This two-tiered system implies that everytime you need to take a swig of water, you may unscrew the highest and chug away out of the spout. However when it’s time to refill your bottle with water and ice, you may take the entire contraption off revealing the Yeti’s ultra-wide 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 typically should be bought individually, and none of them labored as seamlessly because the Rambler’s. The Rambler simply had the best ingesting 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 checks.

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, olive inexperienced and even an attention grabbing pink. What’s extra, beginning at an additional $5 you may 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 proper stability between being a sturdy, insulated bottle you could 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 explanation 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 shade you select, this water bottle from Wholesome Human was one of many high bottles we’ve examined. It’s counterpart, the Wholesome Human Curve, really gained our total greatest spot final yr. The Curve has had some points with inventory and is typically exhausting to search out, however fortunately the Stein is mainly 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 yr, the Wholesome Human did a wonderful job at retaining temperature, particularly over our shorter time intervals. Plus, throughout our first batch of testing it scored the very 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, other than some paint chipping on the underside. It was one of many solely contenders that didn’t flip right into a wobbly vessel that might barely arise. Coming in at 21 ounces, its success throughout the drop take a look at might have been on account of it being one of many lighter choices, although the 26-ounce Yeti and different smaller bottles we examined didn’t carry out as effectively when given the identical therapy.

The place the Stein falls a tad quick is its lid and mouth. The mouth isn’t practically as huge because the Rambler’s, so whereas filling up the bottle isn’t a chore, it’s positively more durable to get ice in as shortly as you may with the Yeti. The lid comes outfitted with a carabiner and didn’t retain any bitterness after our espresso take a look at, nevertheless, it’s a easy screw-on lid so that you drink straight from the bottle’s mouth as a substitute of from a spout. You possibly can, nevertheless, purchase the Healthy Human Flip n’ Sip lid for an additional $14.99 which makes the ingesting expertise a lot better.

The Stein is available in 39 completely different shade choices and three sizes (16-ounce, 21-ounce and 32-ounce), with completely different availability relying on the scale you select. The choice isn’t restricted to base colours like different bottles, and consists of enjoyable designs corresponding 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 stable bottle that may hold your drinks scorching or chilly for so long as you want and gained’t instantly dent or break whenever you drop it. Its lid isn’t the perfect, however its shade choice and remarkably low worth 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 checks and including a espresso take a look at to see if the bottles or lids retained any bitterness after being washed.

Most bottles we examined had comparable thermoregulation skills, so we measured over a shorter time period on this yr’s checks to imitate on a regular basis habits. In our unique testing, we measured scorching water after 12 hours and chilly water after 24, however this time we reduce down the testing time to six hours for warm and 12 for chilly because you (hopefully) gained’t be ingesting 9-hour previous espresso and in the event you’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 comparable thermoregulation skills, 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 17 water bottles to verify they meet the calls for of on a regular basis use. That meant testing how lengthy they hold water chilly, how lengthy they hold water scorching, how they fare throughout a drop, how straightforward 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 take a look at: We poured water simply after it had completed boiling (beginning temps all measured inside just a few levels of one another; starting from 202.4 and 207.1) into every of the bottles and measured the temperature with a liquid thermometer instantly after the pour, then after 6 hours and 12 hours. For our second spherical of testing we solely measured once more after 6 hours.
  • Chilly water take a look at: We poured faucet water from a sink on its coldest setting straight into the bottles and measured the temperature (beginning temps all measured inside 1.4 levels of one another; starting from 47.5 to 48.9) 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’ commonplace caps each whereas standing nonetheless and strolling, noting how inclined every bottle was to spilling and splashing.
  • Leak take a look at: We shook the bottles, held them the wrong way up and threw them in a backpack for a commute to see if any water leaked.
  • Espresso take a look at: 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 carried out a style take a look at to see if both part retained any taste from the espresso.


  • Drop take a look at: 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 injury.
  • Cleanliness: We tried to wash every bottle with a standard sponge, then with a bottle brush. On this take a look at, we additionally thought-about how shortly we may 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-sized 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’effectively 25 ounces ($45;

We beforehand named the S’effectively bottle the perfect 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’effectively bottle dropped a bit in our rankings as a result of it bought extraordinarily dented in our drop checks, and its small mouth means it’s quite a bit more durable to wash and filling it up with regular ice is mainly unimaginable.

Klean Kanteen TKWide ($39.99;

The wide-mouth model of Klean Kanteen solves the small-mouth drawback 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 unique cold-water take a look at, coming in second behind the S’effectively, however didn’t do as effectively with scorching water. If you happen to’re not into the Yeti or the Wholesome Human, the Klean Kanteen TKWide can be our subsequent decide.

Hydro Flask Vast Mouth ($44.95;

A Hydro Flask is a Hydro Flask. If you happen to’re already set on shopping for one, you gained’t be upset, however we simply don’t assume it’s the best choice on the market. It’s an awesome wanting 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 Vast Mouth model on its lid, as a result of it popped proper off and spilled water in all places throughout our checks. The primary time this occurred we thought it might be a defective lid, however after a second lid had the identical drawback, we determined to pin it on poor design.

Hydro Flask Normal Mouth ($34.95;

The Normal carried out equally if not higher than the Vast. Plus, it’s smaller, which suggests much less weight to hold round. You possibly can’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 checks it bought so broken it misplaced its insulation skills.

Klean Kanteen Basic ($29;

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 bought so broken it brought about the insulation expertise to fail.

CamelBak Chute Magazine ($36;

This bottle carried out fairly effectively, particularly with thermoregulation. The lid has just a little magnet so it doesn’t hit you within the face whilst you drink. Its greatest draw back: The cap broke off once we dropped it.

CamelBak Carry Cap ($36;

If you happen to’re contemplating CamelBak, go along with the Chute Magazine over the Carry Cap. The lid on the Carry Cap has a giant loop, which is good to carry, but it surely snapped off fairly simply throughout the drops.

Miir Bottle ($29.95;

The Miir additionally did effectively in thermoregulation, outdoing each the Yeti and Sigg. Nevertheless, it misplaced favor throughout the drop take a look at, when the lid broke on the primary drop. We didn’t take a look at wide-mouth Miir bottles, solely the usual. If you happen to’re cautious, Miir is a superb choice for a smaller, transportable bottle.

SIGG Sizzling and Chilly ONE Thermo Flask ($35.15;

This bottle carried out effectively throughout the temperature checks, 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 once we dropped it on that lid. It broke on the primary drop. You possibly can usually order alternative 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 very 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 take a look at.

Stanley Simple Clear ($23.59, initially $25;

This bottle carried out slightly effectively in holding water chilly, however not practically as effectively with scorching water. The lid additionally fared rather well throughout the drops, however the physique bought giant dents on the underside. What introduced its rating down had been the little issues: not as many sizes, lids or shade choices, it was on the heavier aspect, and it wasn’t as straightforward to hold.

Takeya Normal ($24.99, initially $29.99;

The Takeya bottle underperformed thermoregulation. The cap incorporates a nifty little spout for quick ingesting that unscrews to disclose a large mouth, but it surely simply wasn’t sufficient to beat the poor insulation.

Takeya Energetic ($34.99;

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

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