Hydro Flask Wide Mouth 40 oz. Bottle

Hydro Flask Wide Mouth 40 oz. Bottle is rated 4.7 out of 5 by 1343.
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Hydro Flask Wide Mouth 40 oz. Bottle
Hydro Flask Wide Mouth 40 oz. Bottle
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Product Information:

Stay hydrated at the gym, on the trail, or at the office with the Hydro Flask® 40 oz. Wide Mouth Bottle. This stainless steel, powder coated water bottle features a wide mouth, perfect for smoothies or adding drink mixes. The double wall vacuum insulation keeps hot beverages hot for up to six hours and cold beverages cold for up to 24 hours. The Hydro Flask 40 oz. Wide Mouth Bottle will quench your thirst when you need it.


  • Double wall insulated water bottle
  • Keeps cold beverages cold for up to 24 hours
  • Keeps hot beverages hot for up to 6 hours
  • Signature powder coated finish
  • Odor and bacteria resistant
  • Sweat-free construction prevents condensation


  • Capacity: 40 oz.
  • 2.3” mouth opening makes it easy to clean and add ice
  • Made from durable 18/8 stainless steel

Additional Details

  • Style: W40TS

Please note: Hydro Flask has updated their logo, making it smaller with a cleaner aesthetic by removing the registered trademark symbol.
  • Brand: Hydro Flask
  • Country of Origin: Imported


Rated 5 out of 5 by from Love my hydro flask! I have never owned anything like this before... but I was so shocked at how awesome this is and wondered how I ever did without it. I am an avid hot tea drinker.... and I drink lots before bed of herbal tea.... and this thing keeps it hot throughout the night if I get thirsty. I learned the hard way though one day when I filled it up with hot tea right from my tea pot and even 6 hours later it still burned my mouth.... So whatever you put in there put it at the temperature that you want cause it will stay that way for a long time. I know that might have been common sense to many but for me it was a lesson about this bottle. I take it every where I go and love it!
Date published: 2017-01-13
Rated 5 out of 5 by from You will not find a better water bottle My first Hydro Flask was a gift. I loved it so much that I bought a bigger one (40 oz). It is my "go to" gift for friends and family. I bought another 40 oz for myself because I dropped my first one and it busted the vacuum seal. I called the warranty department and told them what happened and was sure to let them know that I broke it and they said, without hesitation, that they would replace it. However in the interim I became thirsty.Very thirsty. I am addicted now to ice cold water being with me at all times. So I had to buy a new one to get me thru until I got my replacement. What's better than a Hydro Flask? TWO Hydro Flasks!
Date published: 2016-06-01
Rated 5 out of 5 by from New Favorite Water Bottle I spent a lot of time researching the perfect water bottle when it came time to replace my old one. I go on frequent outdoor hikes and really needed a quality and heavy duty water bottle that also isn’t out of place on my desk at work. This one has more than surpassed my expectations! It keeps water COLD for at least a day. I don’t use it for hot beverages but I have no doubt it would live up to its 6 hour promise. The outside stays comfortable to the touch and the powder coating really helps grip when your hands are wet or sweaty. I’ve dropped it a few times without any issues. And bonus, the colors are so fun!
Date published: 2018-06-26
Rated 5 out of 5 by from 40 oz hydro flask this gift from god is a huge improvement to my life, i can now drink close to a gallon of water by only filling up my flask three times and my water tastes fresh, clean, and cold no matter what. the first night i got my flask i had to see if it was legit so i dropped a few ice cubes in and when i awake the next morning i had ice cold water the ice cubes did melt a bit but only because the water was warmer than the ice cubes them selfs, i mean seriously 8 hours later and the ice cubes are still there what is this magical witchcraft you guys at hydro flask have created?!
Date published: 2016-05-08
Rated 5 out of 5 by from I love my Hydro Flask These bottles are just amazing. This is my second one (I couldn't resist the new green one). Purchased the straw top for both. When I got my first one I put ice in it to see how long it would last - 27 hours later I still had ice cubes in the flask. A number of friends have bought Hydroflasks because I raved so much about mine. They all say the same thing "I LOVE THIS THING!!" I just gave my friend one last week and what did she say after she used hers for the first time? "I LOVE THIS THING!! I'm going to use it every day." Something I do as well. There is nothing better than ice cold water. Just in case you didn't understand my take on Hydroflasks, I LOVE THIS THING!!!!
Date published: 2016-08-21
Rated 3 out of 5 by from Hot drink didn't stay so hot I had bought the red 40 oz. hydro flask with high hopes that I would be able to utilize it for coffee on hunting trips and commercial fishing. Today was my first day out on the water with this and I was happy to see within the first hour my coffee was very hot but noticed my lid was very hot. I had a feeling all of the heat is escaping the lid, so going into the 3rd hour of fishing my coffee was warm. I am not sure if it's a faulty lid but it didn't meet my expectations when I'm out on the water for 9 hours. Other than that I love it, it's great with cold drinks but be cautious of your hot drinks. 3/5 until I find a lid that will keep the heat in the bottle.
Date published: 2017-08-18
Rated 1 out of 5 by from Love the bottle, but it was destroyed... I have two hydro flask bottles myself, so I bought another one for a gift. The color I wanted wasn’t sold in stores, so I ordered it online. Thankfully I opened the package when it arrived because the bottle was a disaster. The paint was chipped, rubbed off, and had random colors around the top and bottom of the bottle. There were a ton of dents throughout the bottle as well. Because of this, I wasn’t able to give my friend his gift on his birthday because it was such a mess. I was finally able to exchange it at one of the stores, for a different color. I’m just amazed that anyone thought that this bottle was appropriate to ship out.
Date published: 2018-09-29
Rated 5 out of 5 by from I love it A big thing I love about the Hdryo Flask is that most of the material it is made from is stainless steel, meaning minimal plastic.This product is durable and strong. I've had this for roughly 3 to 4 weeks now and it's held up great. I probably drink 5 or 6 of them a day. it also helps to keep things cold and hot for 4 to 5 hours. Only 1 thing i don't like about this product, every time i have to open cap, there should be some straw cap or something similar, so that we can enjoy drink without opening cap Besides this minor problem I do still love the water bottle. I'd recommend it to my family and friends [This review was collected as part of a promotion.]
Date published: 2018-10-12
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