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Klean Kanteen redesigned the cap on the 27oz Classic Water Bottle with Sport Cap to make it an even more compelling a hydration solution. In additions to the benefits of food-grade stainless steel, you get a leak-resistant cap that offers quiet, faster-flowing performance.


  • Food-grade 18/8 stainless steel is highly durable and easy to clean
  • Uncoated interior and threads won't peel, leach chemicals, or impart/retain odors and tastes
  • 1.75-inch mouth opening allows ice cubes to pass through
  • BPA-free polypropylene sport cap includes a loop that enables you to clip the bottle onto your pack or messenger bag
  • Rounded corners are easy to clean with no hard angles where dirt, germs or bacteria can take hold
  • Slim design fits most cup holders

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Klean Kanteen 27oz Classic Water Bottle with Sport Cap

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Here's what others have to say...

5 5

I love these things!

  • Familiarity: I've put it through the wringer

Added my third KK in the 27oz size with the sport cap to my collection. I own 2 of the stainless steel variants with the original sport cap and this newest bottle in black with the new sport cap. These bottles are tough. The wide mouth aids in drinking, adding ice cubes and cleaning. i have never had an issue with cross-threading the cap unlike my Sigg bottle. Stainless steel is tasteless and you can boil water in this bottle if the need arises. The black finish on the newest one seems very durable and the high gloss finish is quite nice. The newer sport cap is an improvement. The rubberized nozzle strikes me as much nicer and from what I can see shouldn't get roughed up from teeth marks. The smaller hole for allowing air in is decreased in size from the earlier ones and though I haven't done any side by side test my impressions are it is less prone to dripping water if turned upside down. Water flow is at least the same, which is good, cap still makes a good bit of noise but that's not really an issue for me. The O-rings on all caps create a tight seal and I've never had one leak from there. The bottles are tall yet slim so they quite often fit in those water bottle holders you encounter on backpacks and the like that seemed like they only ever intended a plastic 12oz bottle to fit in; conversely they don't always work well in car cup holders though. You wouldn't think there'd be much to say about a water bottle but these things rock. They are a great blend of utility, aesthetics and ruggedness.

5 5

This is good bottle

  • Familiarity: I've used it several times

This is nice water bottle for my children. It is easy to open/close the cap and the bottle is the right size for them to hold.

5 5

So far, so good.

  • Familiarity: I've used it several times

I actually really like this water bottle compared to others I have owned. Its medical grade stainless steel which is key, and I like the design of the sports cap. I would definitely endorse this for anyone looking for a great small to medium sized water bottle.

4 5

Love Klean Kanteen, but...

I gave this a great review because I love Klean Kanteen products in general. I bought this exact bottle (Stainless with the sport cap). I was happy with the color (doesn't show paint chippings like the others), but the sport cap isn't the most user friendly. It makes a lot of noise when using it and can leak very easily if you're not very cautious every time you open it. I contacted KK customer service about the issue and they said it is expected from the cap, but they sent me a brand new loop cap anyhow. Awesome customer service, awesome brand!

How long does it keep water cold and how...

Posted on

How long does it keep water cold and how safe does water taste like the cup

Responded on

It is not for keeping the water cold. so in a hot day' it can b like 2-4h

Responded on

Water should not have any taste as the bottle is a medical grade (18/8) stainless steel. The flow through the cap is quick enough not to affect the taste.

5 5

Perfect size and perfect color :)

I got this bottle for the office and to take on trips. I love the sport top. I got it in the green and love it. I have gotten lots of compliments on it :)