Wide Mouth Steel Water Bottle
  • Wide 40oz

Wide 40oz

$ 28.95


Wide 40oz is rated 4.4 out of 5 by 89.

Our Klean Kanteen Wide 40oz water bottle is a favorite for backpackers and outdoor lovers due to it's large size, lightweight single-wall construction and wide mouth. The wide mouth fits most backcountry water filters for clean and safe water anywhere. The Loop Cap has a stainless steel inside so your favorite beverage never touches plastic. Compatible with all Klean Kanteen wide mouth caps including our Café Cap when you need a drink through function. Need an insulated water bottle? Buy our Insulated 32oz here.

  • 18/8 Stainless Steel construction.
  • Electropolished interior, a safe & non-toxic process, and rounded corners make it easy to clean.
  • Includes the leak proof Wide Loop Cap with stainless steel bottom to create all stainless interior.
  • Compatible with all Wide Caps, including the leak proof Café Cap 2.0.
  • Dishwasher safe.
  • Backed by the lifetime Strong as Steel guarantee.
Leak Proof Easy Clean BPA Free
Capacity 40 fluid ounces (1182 ml)
Weight (w/loop cap) 9.7 ounces (274.9 g
Size (w/loop cap) 9.9" H x 3.6" W (251.1 mm H x 92.5 mm W)
Opening Diameter 2.125" (54 mm)

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Rated 3 out of 5 by from Good but leaky I have other simmilar bottles... some bigger some smaller... the size of this unit is perfect. it looks nice and seems fairly well made. my only issue with it is that the lid leaks. i have had it about a week and thought maybe the ring just needed to get worked in a bit...but that doesnt seem to be helping. i have not put any hot liquid or anything super cold. just regular water. The lid does drip if its on the side and it will leak a considerable amount if tossed about. its more than a little disapointing for a $30 waterbottle. I got it at REI so i have some time to figure out if i want to keep it or return it. i would say that if you are looking for a bottle to toss in your pack or fill up with some hot water to toss in your winter bag i wold look at something else. If its just going to go to and from the office then this should do you just fine. Nice product just wish it was a water tight!!
Date published: 2018-03-10
Rated 5 out of 5 by from I use my Kleen Kanteen bottles every day, I have several grab and go emergency kits built around these bottles in condor H2O bags. several of my bottles have small dents and dings in them, and a few have interesting burn patterns from the bottom up from boiling water when I am out with my son. but none of them have ever failed me, or leaked. I even bought my 3 year old grandson a kids bottle so he could carry his own water when the whole family goes out for a hike.
Date published: 2018-02-25
Rated 5 out of 5 by from Car + Bottle = Working Bottle! Things get misplaced. Things get left in places they shouldn't, by accident. But if your bottle is a Klean Kanteen, then you don't have to worry about backing over your favorite water bottle with your car anymore! My wife ran over mine while we were packing up for work one morning, and it still works. Yes, it's flat on one side and dented on the other - but hey! It still stands up, the cap screws off and on just fine, and it's still 100% watertight. I don't know how, but it is. Way to go, Klean Kanteen! I can't imagine a better outcome from a steel water bottle. (Aside, you know, from some ridiculously heavy bottle that doesn't buckle under the weight of a full-sized Buick LeSabre... But who'd carry that around anyway??) I'd recommend this thing to anyone, anywhere. 5 out of 5 for me.
Date published: 2017-06-28
Rated 4 out of 5 by from Excellent except lid leaks I usually try to avoid making new purchases, but I had already searched for a second-hand bottle and couldn't find what I needed. So I went for the next best thing: buying something that would last a very long time, from an environmentally conscious company. I was excited to find exactly that with Klean Kanteen, who make very durable products, use ethical manufacturing, and even purchase carbon offsets for their shipping, while raising awareness about reducing waste. The bottle has so far worked very well for me. I used it to carry very hot (just-boiled) water while traveling in China — the exterior got very hot, but the bottle held up just fine, and I could carry it by the loop on the cap while the water cooled. I've also dropped the bottle a couple times so far (from about 3 feet off the ground) and, as expected, the bottle was fine and just got a dent in the bottom when dropped. :) (If this happens too many times, I'll just get a hammer and tap the bottom back into shape.) My one issue is that the silicone gasket (a small circle of silicone in the lid) has not prevented the lid from leaking. It's manageable because it's not a ton of leaking and because I'm usually transporting the bottle upright. But I avoid laying it sideways and I keep it away from electronics so that it doesn't get them wet. I wonder if the hot water has melted or mutated the gasket, preventing it from sealing as it usually would. Either way, the leaking doesn't prevent me from using the bottle on a daily basis. :)
Date published: 2017-05-27
Rated 5 out of 5 by from Water Bottle Review Best water bottle I have ever purchased. I had my first one for years and traveled to over 15 countries with it. If I didn't leave it on a plane I am sure it would still be going! Keep up the great work!
Date published: 2017-08-19
Rated 5 out of 5 by from Hydration! I immediately bought the 40 oz bottle when my midwife told me I needed to be drinking a gallon of water a day during my pregnancy. I'm happy to say, it assisted me in reaching that goal! It's durability is wonderful and I was happy not to waste money on bottled water for those 9 months and beyond! My only wish is that it would fit into the car cup holder, but at 40oz that's tough!
Date published: 2017-02-07
Rated 1 out of 5 by from Leaky Cap My bottle leaked after only a couple of months of very casual use. The leak came from a bad seal in the cap. I asked for a new seal as it wasn't reasonable to me that a bottle of this price would wear out so quickly. My bottle was thrown away by one of my "friends" because it was leaking all over the place. Its clear that the bottle was extremely annoying to others and not just me. I think the 40oz Nalgene metal bottle might be my next metal bottle.
Date published: 2017-06-28
Rated 1 out of 5 by from Not worth it. It said it holds cold and hot for several hours... i filled this 40 oz canteen with ice and 15 minutes layer the ice was melted by half. It doesnt do what it says . Its way too thin to keep the temperature along with the taste of the canteen. It tastes like metal. I owened an older one and it was great! This one is terrible i would send it back but i dont want to pay another 15.99 in shipping. I live in the next town over and i cant believe how much they charge for shipping. My bottle was only $28. On top of the shipping i paid $45.00. Not worth it to me.
Date published: 2020-06-29
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