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40 oz Wide Mouth Vacuum Insulated Stainless Steel Water Bottle
Product Description
Drop the shorty and go with the 40! The Hydro Flask 40 oz Wide Mouth Stainless Steel Water Bottle is made for serious hydration and sustenance portability. Whether you're climbing a mountain with your favorite malt beverage or carrying soup to Grandma's house, the 40 oz water bottle is sure to fill you up! The Wide Mouth features our largest water bottle opening at 2.25 inches.
Our water bottles were developed to perform in every environment. Each Hydro Flask is cast from double wall vacuum insulated food grade 18/8 stainless steel, therefore they are BPA-Free and resistant to bacteria and odors. The double wall vacuum insulation technology allows Hydro Flasks to keep contents Hot and Cold! 
Features:
- Wide Mouth (2.19 Inches)
- Double Wall Vacuum Insulated
- BPA-Free
- 18/8 Stainless Steel
- Signature Matte Finish
- Lifetime Warranty
- Patent Pending
Here's what people have to say about this:
Write Your Own Review
17 Item(s)
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Proof is always in the pudding!
Posted by Dexx on 20th Mar 2013
Price Value Quality I'm on my second 40oz. flask not because something is wrong with the first one but because my wife "adopted" it! I live in Arizona, it's f/n hot most of the time. I am a photographer that carries 20-30lbs. of extra gear on hikes, climbs, singletrack, and regularly escape the heat into below freezing alpine conditions. Suffice to say water is no good to me if it spills from a broken container along the way. The pile of non functional bottles I've left in my wake is neither cheap nor sustainable. The build quality is clean and logical, no silly features that were thought up to market the product. The "features" of this bottle are that it works, and takes a beating if need be. Thanks, much love!
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The Best Ever
Posted by LeAnn on 28th Jan 2013
Price Value Quality I read about this water bottle from a friend who posted it on Facebook. He spoke his water still being as cold as when he filled the bottle 7 hours later. I thought there was no possible way and had to try for myself. This is the best water and coffee bottle hands down. I can not beleve the water is still as cold 10 hours later when I drink in no matter what the weather is outside. The coffee stays the same way. The other thing when you drink out of the stainless steel water bottle is does not taste like you are drinking a bottle of metal. I can not say enough about this water bottle. I am so impressed, I have more then one. On top of this they stick true to their customer service and replaced a broken top I had with out question. What a great product and and super company based in the USA.
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Ideal for a variety of settings!
Posted by RL on 28th Jan 2013
Price Value Quality I got the 40oz bottle as a present and am extremely impressed with its performance. I loaded it up at 7am with hot cocoa, and after ice climbing in 0 degree temps for 10 hours, the contents of the hydroflask were just as warm as in the morning! More heat is lost while drinking for 30 seconds than in 3 hours of sitting around closed. Couldn't have asked for a better thermos!
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Most Amazing Water Bottle You'll Ever Find
Posted by bourbour on 4th Jan 2013
Value Quality Price This has to be the most fantastic water bottle on the market. The exterior coating allows for no sweating during transportation. I fill this bottle with ice and water around 6:30 in the morning, and by 8:30 pm there is still ice left so I can replenish with water. Brightly toned, and eco-friendly this is a definite to insist on for your must-have-list.
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BEST Water Bottle EVER
Posted by B on 11th Aug 2012
Quality Price Value I've purchase soooo many water bottles and the last one I had was a 32 ounce camelbak with a sport spout which I loved. Only problem? Condensation when filled with ice and water getting warm on hot days. Problem solved with the hydro flask. I remember seeing it at Saturday Market in Portland and decided to purchase one during the hottest day this year. Absolutely LOVE it. I got the 40 ounce steel one and it does keep things cold even when left in a hot car. I can even use the sport cap on my camelbak on this one so I don't need to open and close a lid which is super convenient and I haven't notice a temperature problem because I'm usually needing a refill by the time I get home.
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Best Flask ever minus the top
Posted by Elle Jones on 21st Jul 2012
Price Value Quality I stole this flask from my husband months ago and I have had it ever since! I love the way that I can have ice still in the flask from the time that I fill it in the morning, and I don't need special ice cubes for it! The tops can't take the abuse, but I will definitely be purchasing a new one....I may even replace the one I boosted from my hubby!
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Broken Cap-
Posted by LC on 11th Jul 2012
Price Value Quality Awesome canteen / thermos -- Dropped it from 2' (full of water) cap cracked :(
Replacement seems cheap enough-- but come on guys-- beef up your caps!
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Love their products but they need tops that are a bombproof as the bottles
Posted by Bryce F on 28th Jun 2012
Price Value Quality I have owned 7 hydro's in the past 4 years and love everyone of them, but i have broken 2 of the 400z widemouth tops and 1 of the 24 narrow mouth tops, Im may just be hard on my gear, but I'd love to see them come out with stainless tops as well
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Eco conscious awesome product!
Posted by Tom Sadley on 3rd Apr 2012
Price Value Quality I seldom write any product reviews, but I love my 40oz. Hydroflask so much I had to tell you how much I am loving it. I am a student and I used to lug water bottles around which turned warm by mid-day. That is until I got my Hydroflask. It is wonderful how cold it keeps my water throughout the day.
I also love how eco-conscious your company is, and how the bottle is BPA free.
Thanks for a great product! It is one of my best quality purchases in a long time.
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Great Bottle! Great Performance!
Posted by Claudia on 22nd Feb 2012
Value Quality Price Ok, I bought the 40 oz. Wide Mouth in Acai Purple, and thought I would test it out for myself. What a product! Performed better then expected! I did the test with hot liquids because it seems most people have tested the performance of cold and not hot.
To give some examples to compare to, the bottle sat in a room that was 20 degrees celsius (68F). When I make tea or coffee, it starts at a temperature of 62.7 degrees celsius (145F).
Start 2:20 pm: 95.5C (204F)
6 hours and 23 min later at 8:43pm: 71C (160F)
9 hours and 13 min later at 11:33pm: 63.8C (147F)
16 hours and 51 min later at 6:51am: 50C (122F)
So after 9 hours the water in the bottle was still warmer then any coffee or tea that I would consume! Even the next day, 16 hours later, the water was still very warm! Can't wait to take it up skiing!
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BIKRAM YOGA HEAVEN
Posted by R B on 15th Feb 2012
Price Value Quality Went through a ton of bottles before i heard about this one. My water stays icy cold in the heat of the bikram hot yoga and doesn't leave a big sweat puddle either. It still has ice the next day to, can't say enough about these amazing bottles.
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BIKRAM YOGA HEAVEN
Posted by R B on 15th Feb 2012
Price Value Quality Been through every bottle on the market when a teacher told me about this. Got one on a trip to the US and couldn't believe it. My water stayed icy cold in 104 degree heat for hours and didn't leave a big sweat stain on the floor either. And still has ice in it the next day. LOVE it! Can't say enough about these amazing bottles.
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Great for athletes!
Posted by C. Durkin on 13th Jan 2012
Value Quality Price As an athlete, I've received or bought enough water bottles to fill a whole cupboard, and now all I need is this one Hydro Flask. It holds enough water for my practices and day-to-day hydrating! With its lifetime guarantee, I'll be able to make more room in kitchen and get rid of all of my old bottles.
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Finally a big enough bottle
Posted by Adam the Ukiltitarian on 6th Sep 2011
Price Value Quality After dealing with hard plastic bottles and hydration packs, I desired something with a man-sized capacity while still good for general use. After owning a 24 oz I was very happy with this, but I still wanted a larger size. This 40 oz in classic steel was the answer!
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Best water bottle EVER!
Posted by D. C. on 8th Aug 2011
Price Value Quality I am so glad that the folks at EMS brought this bottle to my attention! I've used several different kinds of water bottles in the past but this is by far the best. It is big enough to hold plenty of water to get me through my work day, and by adding ice in the morning it stays refrigerator cold! At first I thought it was a bit pricey, but it has been worth every penny. I don't leave home without it!
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Does exactly what it's suppose to do.
Posted by Clinton on 27th Jul 2011
Price Value Quality Finally received my 40oz hydro flask yesterday. I put water and ice in it at around 4:30 PM. The next day at 4:00 PM and there is still ice in it. The temperature where I work was 96 degrees today and the flask was with me the whole time I was working in the heat. I am very impressed with this product and highly recommend it.
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I love this bottle!
Posted by Sarah Durban on 8th Apr 2011
Price Value Quality My new 40oz Black bottle was delivered to my front door yesterday, and I'm so excited! I love my smaller Hydro Flasks but i think this is my new favorite. I'm gonna put it to the test this weekend, but it's already doing everything I could ask of it. My water has been ice cold since yesterday!
17 Item(s)