40 oz Wide Mouth
40 oz Wide Mouth is rated 4.7 out of 5 by 971.
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$49.95

40 oz Wide Mouth

40 oz Wide Mouth is rated 4.7 out of 5 by 971.
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$49.95
Size Chart
Hydro Flask Pack Size Chart
Available Sizes S / M M / L
Torso
Measurement
18 - 19 in 19 - 22 in
43 - 48 cm 48 - 56 cm
Hip
Measurement
22 – 46 in 26 – 46 in
56 – 117 cm 66 – 117 cm
  1. 1. Torso Measurement

    • A. Bring your chin to your chest and feel for the most prominent bony bump where the slope of your shoulders meets the back of your neck. This is your C7 vertebra, and the top of your torso measurement.

    • B. On each side of your body, feel for the top of your hip bones, just below the sides of your ribs. With fingers pointing forward and thumbs pointing backward, draw an imaginary line between your thumbs. This is the bottom of your torso measurement.

    • C. Stand up straight and have a friend with flexible measuring tape measure the distance between your C7 vertebra and the imaginary line between your thumbs. That’s your torso measurement. If you are between pack sizes, go with the smaller size.

  2. 2. Hip Measurement

    While your torso measurement is the best indicator of your pack size, it’s still important to check your hip size when using a hipbelt. To find your hip measurement, wrap a flexible tape measure around the top of your hip bones, just below the sides of your ribs. This measurement is slightly higher than your waistline

<h2>Fresh look for a fan favorite.</span></h2> <p>From road trips to endless hours at the beach, our 40 oz Wide Mouth bottle keeps you well-hydrated from sun up to sun down. We couldn’t think of a bottle more deserving of a refresh, so we’ve elevated the silhouette and simplified design without compromising one degree of performance. And our Color Last™ powder coat is dishwasher safe for even more convenience. Cold stays ice cold for 24 hours, and hot stays wickedly hot for 12 — just like always.</p>

Fresh look for a fan favorite.

From road trips to endless hours at the beach, our 40 oz Wide Mouth bottle keeps you well-hydrated from sun up to sun down. We couldn’t think of a bottle more deserving of a refresh, so we’ve elevated the silhouette and simplified design without compromising one degree of performance. And our Color Last™ powder coat is dishwasher safe for even more convenience. Cold stays ice cold for 24 hours, and hot stays wickedly hot for 12 — just like always.

40 oz Wide Mouth Lifestyle Image
40 oz Vacuum Insulated Stainless Steel Water Bottle | Hydro Flask
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Features
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TempShield™

Our unique double wall vacuum insulation protects temperature for hours. Cold drinks stay icy cold and hot drinks stay piping hot so you can stay refreshed for any adventure.

TempShield
Pro-Grade Stainless Steel

Pro-Grade Stainless Steel

Made with 18/8 pro-grade stainless steel to ensure pure taste and no flavor transfer - and the durable construction stands up for whatever life brings.

Color Last™ Powder Coat

Our proprietary powder coat is dishwasher safe, and your bottle stays slip-free and colorful, no matter where you take it.

Color Last Powder Coat
Details
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    Product Benefits

  • Large insulated water bottle for longer adventures
  • Fits most backcountry hydration filters
  • TempShield™ insulation eliminates condensation and keeps beverages cold up to 24 hours and hot up to 12 hours
  • Durable 18/8 Pro-Grade Stainless Steel construction
  • Our Wide Mouth refresh features a stainless-steel collar and curved radius at the bottom edge for an updated look
  • BPA-Free and Phthalate-Free
  • Dishwasher safe
  • Compatible with our Hydro Flip™ Lid and Wide Mouth Straw Lid
  • Registered trademark symbol has been removed from logo and wordmark
  • Lifetime Warranty

Size & Dimensions

40 oz
Volume 1,182 mL
Mouth Diameter 2.26"
Diameter 3.58"
Height 11.2"
Weight 17.6 oz
Technology
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Lifetime Warranty

We stand behind our products.

Hydro Flask guarantees this product with a limited lifetime warranty against manufacturer defects.

Let's Go!

Today is wide open. You lead, we'll follow.

#HeyLetsGo

Hydro Flask supports non-profit organizations focused on building, maintaining, restoring, and providing better access to parks. Since 2017, we have been doing just that:

  • 92 Non-profits supported non-profits.
  • $1.5 million Dollars donated donated.
  • 26,043 Bottles donated bottles.
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Reviews
Rated 5 out of 5 by from Great features I brought it a month ago and I'm so happy I did. Very amazing
Date published: 2020-06-04
Rated 5 out of 5 by from I LOVE IT I bought this a couple weeks ago and I love it! Only problem is that in some lightning it looks purple and in others it looks blue gray. Other then that I love it!
Date published: 2020-05-30
Rated 5 out of 5 by from Coolio Amazeballs! It really knows how to hold some gooood water! Highly recommendo for the summer and all the seasons. No joke!
Date published: 2020-05-29
Rated 5 out of 5 by from ver nice The FitnessGram Pacer Test is a multistage aerobic capacity test that progressively gets more difficult as it continues. The 20 meter pacer test will begin in 30 seconds. Line up at the start. The running speed starts slowly but gets faster each minute after you hear this signal bodeboop. A sing lap should be completed every time you hear this sound. ding Remember to run in a straight line and run as long as possible. The second time you fail to complete a lap before the sound, your test is over. The test will begin on the word start. On your mark. Get ready!… Start.
Date published: 2020-05-28
Rated 5 out of 5 by from Amazing Bought for my boyfriend because he liked mine. Best water bottle ever
Date published: 2020-05-27
Rated 5 out of 5 by from Love it I bought my about three weeks ago, I bought it for school and work and I’m so happy that I did! Hold enough water to last me through my classes and my work shift to where I don’t have to refill it and it keeps it ice cold
Date published: 2020-05-27
Rated 5 out of 5 by from Keeps me hydrated all day! I didn’t understand why everyone seemed to have a HyrdroFlask, but now I do! I do not go anywhere without it!! Love it.
Date published: 2020-05-27
Rated 5 out of 5 by from Excellent Quality! I love this product and I now own 5 hydro flasks! Wouldn’t invest in any other type. (:
Date published: 2020-05-26
Rated 5 out of 5 by from Goes everywhere with me. My wide mouth 40 oz bottle goes with me everywhere I go. One of my favorite things is drinking ice water. This thing will keep ice while for 2-3 days straight, and unlike other insulated bottles I’ve tried, the lid does not get stinky. I work 12 hour shifts and it’s nice to be able to only have to refill water on my breaks.
Date published: 2020-05-25
Rated 5 out of 5 by from Awesome flask I love the flask this is my second one. I will buy again. Shipped to me quickly.
Date published: 2020-05-25
Rated 5 out of 5 by from nice Use it everyday! Was worried it’d look ridiculously big but its actually perfect. The lilac color is very pretty :)
Date published: 2020-05-24
Rated 5 out of 5 by from I love!! Love the color! Bright cute i just love it! My water stays cold all day, I get a lot of compliments bc in the color!
Date published: 2020-05-22
Rated 5 out of 5 by from Love this color! I bought this as a gift. My niece is going to LOVE this color. It's perfect for summer.
Date published: 2020-05-21
Rated 5 out of 5 by from I love my Hydro I bought this larger bottle for times when I need water throughout the afternoon. Like my other Hydro Flasks, this one keeps my water super cold. There's still ice at the end of the day. I love the variety of colors. And the finish makes it easy to grip.
Date published: 2020-05-21
Rated 5 out of 5 by from Amazing Color Definitely perfect color not to bright and Amazing Quality. Keeps water Ice cold for hours
Date published: 2020-05-20
Rated 5 out of 5 by from Love this 40 oz size. I've had a 32 oz for a while. My wife had a 24 oz. Loved it, but wanted to upgrade to the 40. I purchased a yellow flask and I love the bright color. I like that it's easy to spot, especially so I don't leave it behind. It has some girth, so it's harder for people with small hands (like children) to grip it. And it dents when dropped. I love the handle on the cap, but I like using a straw, which doesn't have a handle. Hydro Flask should probably think about combining those two features onto one lid. The loop on the straw lid is not great for carrying. On my old flask I installed a paracord handle like those found on Amazon, which is super comfortable. Lamentably, this new Hydro Flask design has a straight neck and mouth that's flush with the lid which doesn't accomodate a handle. I don't like silicon sleeves or other handle options available for purchase, So I had to fashion an entire wrap in order to have a decent handle. The paracord makes it easier to grip and gives it some protection against denting. I just love how long it maintains cold temperature. Went to Moab, filled both our flasks with ice water for hikes. We took one along and kept the other in the hot car for a refreshing drink upon our return. Very pleased.
Date published: 2020-05-19
Rated 5 out of 5 by from My first hydro - worth the hype! This is my first hydro flask and it’s definitely the best water bottle I’ve ever had. Everyone I know has raved about hydro flask for years but I could never justify spending the money. I’m happy to say now that it’s worth every penny. The 40oz capacity makes it easy to measure my water intake and whether I am drinking cold or hot, it stays at temp all day. Also very sturdy — I accidentally dropped it while getting out of the car one day and it rolled under to the other side. To my surprise, there was not a dent (though I suppose it can happen). Also love the fog color!
Date published: 2020-05-16
Rated 5 out of 5 by from keepin it cold I bought this a month ago and have used it every day. It keeps ice for 2 days and my drink stays really cold.
Date published: 2020-05-15
Rated 5 out of 5 by from My daily go-to This bottle did an incredible job until the bitter end. I used it daily for all hydration activities whether it was working at my desk to hikes and river trips. My bottle met it's untimely demise after being stuck on a raft that was pinned against a boulder. I will be purchasing another one this morning.
Date published: 2020-05-11
Rated 5 out of 5 by from Love my Hydro Flask So happy to have a flask that keeps cold things cold and hot things hot. It’s my go to flask and I use it every day!
Date published: 2020-05-06
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Questions

Do the older colors ever come back and how often do new colors come out?

Asked by: scathach
Sometimes we do bring back older colors. We offer email notifications to keep you updated on everything Hydro Flask including new arrivals and sales. To sign up, simply enter your email address in the field at the bottom of the home page of our website (www.hydroflask.com), under STAY IN TOUCH.
Answered by: Consumer Service
Date published: 2020-03-16

Could we place smoothies or thicker liquids in this flask?

Asked by: Bette
Yes, you can!
Answered by: Consumer Service
Date published: 2019-11-20

Does the 40oz fit in a car cup holder? &nbsp;

Asked by: Mangelica0416
No it does not but on amozon they sell stuff like that.
Answered by: Eva123
Date published: 2019-11-14

Is the wide mouth lid suppose to shed over time? I&rsquo;ve had my hydro for over a year and now I am finding shards of my lid in my flask when I use it.&nbsp;

Asked by: Concern consumer
We'd be happy to replace your cap for you under our Lifetime Warranty. You can fill out a warranty claim here: (http://www.hydroflask.com/warranty/)
Answered by: Consumer Service
Date published: 2019-10-29

Recently I ordered my hydro flask and was super happy about it it did everything it was supposed to and worked great . I ordered the frost color and it was beautiful . I have on question though mine came without a trademark symbol by the logo ?

Asked by: Happy costumer
Newly produced Hydro Flasks do not feature a registered trademark symbol next to our logo. This decision was made to enhance the presentation of the logo on our bottles. The absence or presence of a Hydro Flask registered trademark or R symbol next to our logo is not an indicator of authenticity.
Answered by: Consumer Service
Date published: 2020-01-17

Are you guys going to have more Lava or Tangelo color bottles made?&nbsp;

Asked by: Gabalabadingdong
Lava and Tangelo have been discontinued and will not be coming back any time soon.
Answered by: Consumer Service
Date published: 2020-05-13

Dose the straw lid fit on the 40oz? If not which one does it fit on?

Asked by: emily1684
Yes, the wide mouth straw lid fits the 40oz flasks.
Answered by: Consumer Service
Date published: 2019-10-27

Does this typically fit in a car cup holder, I drive all the time so that would be a huge advantage&nbsp;

Asked by: Jessica3316
Typically, our 24oz flasks and smaller fit in most car cup holders. We recommend measuring the diameter of the cup holder and comparing that measurement with the dimensions of our flasks (located on the FAQ page on our website).
Answered by: Consumer Service
Date published: 2019-10-27
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Hydro Flask supports non-profit organizations focused on building, maintaining, restoring, and providing better access to parks. Since 2017, we have been doing just that:

  • 92 Non-profits supported non-profits.
  • $1.5 million Dollars donated donated.
  • 26,043 Bottles donated bottles.
You May Also Like
  1. Regular Price $39.95
    $19.98
    Medium Tag Along Bottle Sling
    Colors Available
  2. $9.95
    Wide Mouth Straw Lid
    Colors Available