Hydro Flask vs Kleen Kanteen: Which Is Better?

You can’t talk about stainless steel water bottles without mentioning Klean Kanteen and Hydro Flask. The two brands offer quality insulated stainless steel bottles cementing their spots at the very top of the market. Anyone who has owned either of these bottles can agree that they offer convenience and an effective way of storing iced water, a hot beverage, or even a frothy smoothie to take with you on the go.

The fact that the two brands offer essentially similar products with practically the same level of quality construction makes it difficult to choose one over the other. We went ahead and pitted them against each other to help you figure out whether your next water bottle should be a Klean Kanteen or Hydro Flask.

Klean Kanteen vs Hydro Flask Comparison

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What Are The Differences Between the Two Bottle Brands?

What Are The Differences Between the Two Bottle Brands

When taking a critical look at the two products, they do differ in some aspects. They may not necessarily be deal breakers for most people, but they could make a difference in choosing one over the other.


By far the most crucial element that should guide your decision when buying a water bottle is its insulation capability. The great news is that both Hydro Flask and Klean Kanteen perform exceptionally well when it comes to insulating beverages stored within them. However, Hydro Flask takes the win with their improved Flex cap lid that makes use of a Honey Comb insulation technology to reduce heat transfer and trap air.



credit https://www.kleankanteen.com

Both water bottles feature aesthetically appealing designs, but Klean Kanteen offers a broader range of choices regarding diversity. Klean Kanteen also has a couple of limited editions in partnerships with other brands. When it comes to the classic line of bottles, the Hydro Flask come in varieties of colorful and vastly differing designs. Overall, the massive selection of options Klean Kanteen offers makes it take the win on this one.


Again, another factor that can make or break your buying decision when looking at these two water bottle brands is their durability. They both make use of the same material to construct the bottles, but the Klean Kanteen bottles do have some issues when it comes to their leak-proof seals. Other than that, you could say that the two brands do a perfect job at ensuring that their products are long-lasting.


These bottles come designed to provide nothing short of exceptional function, and you can’t even place them in any list of “leaky water bottles.” As mentioned before, the Klean Kanteen plastic caps do have a leak-proof seal problem, but it’s not something that could outrightly dismiss them as a worthwhile buy. The Hydro flask bottles generally screw on easier and provide a tight-proof seal.



credit https://www.hydroflask.com

The Hydro flask bottles are the clear-cut winners when it comes to the range of accessories they offer. They come with pretty cool accessories like straw lids for their wide-mouth insulated bottles and bottle holders. The Klean Kanteen containers provide very few if any accessories which make them the least bit competitive in this regard.


Price is a factor that can be purely subjective, and when it comes to these two bottle brands, it’s a debate that could never end. Some buyers might want the best value for their money while others want the cheapest, but quality, option. The price is quite competitive for most similar water bottle models offered by the two brands. However, if you purely look at the cost of each bottle, then Klean Kanteen is the more affordable option of the two.

Hydro Flask vs Klean Kanteen Review

Klean Kanteen Single Wall Stainless Steel Growler

Klean Kanteen Single Wall Stainless Steel Growler with Leak Proof Stainless Steel Swing Lok Cap

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Some Notable Specs:

  • Its a durable food-grade water bottle with a swing Lok cap.
  • The stainless steel bottle comes with a 1.75-inch mouth opening.
  • It’s easy to fill and pour compatible with all Klean Kanteen Classic caps.
  • It comes in two color choices.
  • The water bottle comes backed by the Klean Kanteen Strong as Steel Guarantee.

What Makes It this Tumbler Different?

Unlike like similar posts we wrote on the subject, the 64oz Klean Kanteen bottle comes designed to last a lifetime, and its perfect for storing just about any hot or cold beverage you please including water, beer, and wine. Its food-grade construction makes it fridge-friendly, and the Swing Lok Cap keeps it carbonated and fresh. A wide 1.75-inch wide mouth opening makes it easy to fill it up, fit in ice, and pour out your favorite beverages.

The stainless steel’s Swing Lok Cap is easily removable with just one hand, and the cap provides a leakproof seal. Its electropolished interior, as well as rounded corners, make the growler easy to clean and maintain. The Klean Kanteen Strong as Steel guarantee backs the product assuring quality performance.

Who Should Buy The Klean Kanteen Growler?

Anyone looking for a multi-function growler with a decent capacity will find the Klean Kanteen bottle a worthwhile investment.

Hydro Flask Double Wall Insulated Stainless Steel

Hydro Flask Vacuum Insulated Stainless Steel Water Bottle Wide Mouth with Straw Lid (Black, 40-Ounce)

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Some Highlighted Features:

  • It comes in a sleek design constructed using food grade stainless steel.
  • The bottle uses a powder coat providing a slip-free grip.
  • Its double-walled insulated.
  • The bottle keeps drinks icy cold up to 24 hours and piping hot up to 6 hours.
  • It comes with a wide-mouth straw lid.

What Makes It Stand Out?

The Hydro Flask stainless steel bottle is made for the outdoors with 32oz, 40oz, and 64oz options. The Hydro Flask TempShield insulation makes sure that your cold drinks stay icy for up to 24 hours and your hot beverages keep a piping hot temperature for up to 6 hours. It makes use of the new BPA-free insulated Flex Cap enhancing its portability, and the bottle’s powder coat provides a comfortable slip-free grip.

The bottle also features a wide-mouth opening that makes pouring easy and also accommodates ice cubes effortlessly. The bottle is also compatible with the Hydro Straw Lid and Hydro Flip Lid. A lifetime warranty backs up the bottle.

Who Should Buy The Hydro Flask?

The Hydro bottle suits anyone who wants an easy way to stay hydrated they can take with them on outdoor adventures, to the office, or just when they are up and about.

Klean Kanteen Classic Single Wall and Leak Proof Loop Cap (NEW 2018)

Klean Kanteen Bottle Classic 18Oz Loop Brushed Stnlss, 1 Each

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A Few Key Features:

  • It comes in 180z, 32oz, and 64oz options as well as two finish options.
  • The stainless steel bottle features a food grade construction,
  • A leak-proof polypropylene bottle comes with the bottle.
  • It features a wide-mouth opening measuring 1.75 inches.
  • There are four color options available.
  • Its available in an impressive selection of ten colors.
  • The Klean Kanteen Lifetime Strong as Steel Guarantee backs the product.

 What Makes It A Worthwhile Investment:

The classic Klean Kanteen water bottle gets an upgrade with a new leak-proof polypropylene loop cap. It comes in a single-wall lightweight design with the option of a powder coat or uncoated brushed stainless steel finish. Its broad 1.75-inch mouth makes it easy to fill up and also fit in ice cubes. The electropolished interior of the bottle makes it easy to clean, and it also doesn’t impart or retain flavors.

It also doesn’t hurt that there are four color choices available which make it possible to personalize the bottle to your preference. The Klean Kanteen Lifetime Strong as Steel guarantee backs the water bottle assuring quality performance.

Who Needs This Water Bottle?

Just about anyone who in need of a convenient solution to keep well hudrated could use this water bottle.

Hydro Flask Double Wall Vacuum Insulated  Bottle/Travel Coffee Mug, Wide Mouth

Hydro Flask 12 oz Double Wall Vacuum Insulated Stainless Steel Water Bottle/Travel Coffee Mug, Wide Mouth with BPA Free Hydro Flip Cap, Pacific

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Some Noteworthy Features:

  • It’s a double-walled vacuum insulated water bottle/travel mug.
  • The bottle keeps drinks icy cold for up to 24 hours and piping hot for as much as 6 hours.
  • It’s stainless steel constructed and BPA-free.
  • The bottle comes in a selection of 13 color choices with a powder coat finish.
  • A lifetime warranty backs the sports bottle.

What Makes It Standout:

Like all Hydro Flask bottles, the travel mug features food-grade stainless steel construction. It doesn’t come with a liner and is BPA-free. The double-wall vacuum insulation makes sure that your beverages stay hot for as much as 6 hours and perfectly icy cold for up to 24 hours. It maintains a comfortably lightweight construction making it suitable to take on the go for everyday use.

The Hydro flask travel mug comes with a lifetime guarantee assuring that you are investing in a product that is built to last.

Who Should Buy One?

The fact that it functions as a dual water bottle and travel mug makes it the perfect choice for outdoor adventures or just for everyday use.

The Final Verdict

When you go through the reviews, you’ll notice that the two brands are very much similar, but again they have some subtle difference between them. The Klean Kanteen bottles stand out for their pocket-friendly prices and form. However, in general, the Hydro bottles take the win because of their leak-proof performance, the accessories offered, and they come built to last.

However, you really can’t go wrong settling for any of these bottles because they are the best of the best in the market at the moment. Perhaps you want a solution to take your cup of joe along with you on the go.

Scott Moey

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