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40 oz Wide Mouth

$49.95
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Bottles

40 oz Wide Mouth

$49.95
Lifetime
$49.95
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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

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

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.

Pro-Grade Stainless Steel

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
  • Lifetime Warranty

    Lifetime Warranty

    We stand behind our products.

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

    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

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

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.

Pro-Grade Stainless Steel

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
  • Lifetime Warranty Icon
    Lifetime Warranty
    • Lifetime Warranty

      Lifetime Warranty

      We stand behind our products.

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

    Details & Specs

      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

    Reviews/Q&A

    • Reviews

    • Q & A

    • 40 oz Wide Mouth is rated 4.7 out of 5 by 903.
      Rated 5 out of 5 by from Nrididr i Chloe Di. Fun but it’s Lou big kin FYI doing ooh jug jug gif
      Date published: 2020-02-23
      Rated 5 out of 5 by from Love this bottle We own several Hydroflasks and this size is my daughters favorite for sports and carrying throughoit ber day. she loves the white one. Water stays cold all day long
      Date published: 2020-02-20
      Rated 5 out of 5 by from AMAZING I work long shifts and go straight to school, this bottle will keep my water cold all day long! If you put ice in it too, forget about it. Your water will be cold until the next day. This bottle is the best.
      Date published: 2020-02-20
      Rated 5 out of 5 by from The Hydro Flask The Hydro Flask is great and a worthwhile investment. This was a smart choice for my money.
      Date published: 2020-02-16
      Rated 5 out of 5 by from Great Bottle! Bought this bottle a month ago and i absolutely love it. Love the new look and the color, was my first time getting white. I have about 3 other bottles and white is my far my favorite. I personally don’t like the cap but i bought the Takeya cap for it, and it makes for the perfect bottle!
      Date published: 2020-02-14
      Rated 5 out of 5 by from Awesome I love hydroflasks. I’ve tried using other water bottles, but they just don’t work as well. Hydroflasks just keep my drinks cooler for much longer, and I only really like drinking cold water.
      Date published: 2020-02-13
      Rated 5 out of 5 by from A beautiful high quality product! I LOVE IT!! Is beautiful, so well made, a very useful item in my life right now. I recommend it for sure! Is way better than i expected for sure!
      Date published: 2020-02-10
      Rated 5 out of 5 by from Wow! This is my second one! I have a 32oz and it’s nice but sometimes I want to carry more water and the 40oz is perfect without being exaggerated huge I can still carry it with me wherever I go like the 32 oz. I love the color variety on the website and the option to make your own mix on the my hydro flask website
      Date published: 2020-02-07
      Rated 5 out of 5 by from Perfect Size I bought this a few months ago and love it! It is the perfect size and because it's so beautiful, I want to drink water each day. Also, the water stays cold!!
      Date published: 2020-02-06
      Rated 5 out of 5 by from Love it!! I bought this about a month ago to try to up my water intake and I’ve been drinking about 2 of these a day. I use the straw for it and I find it so much easier to drink my water. I also enjoy how cold this keeps your water! I put ice cubes in it around noon and at 8am the next day they were still there!
      Date published: 2020-02-06
      Rated 5 out of 5 by from Very good product! I bout this 3years ago, and my family using every day.
      Date published: 2020-02-02
      Rated 5 out of 5 by from Keeps Water Cool for hours I bought this around a month ago for school and it's great. If I don't finish drinking the water during the day I can drink it at night and the water is still chilled like it was in the morning. I prefer the size and it weighs a lot less than people assume.
      Date published: 2020-02-01
      Rated 5 out of 5 by from Overall Great Quality! Bought this for my bf about a month ago and he loves it! Keeps water fresh and cold for hours after its been filled and it's incredibly durable; he's already dropped it a few times from decent heights and it hasn't shown any damage except a couple of small dings!
      Date published: 2020-01-31
      Rated 5 out of 5 by from Love it! I gave this one as a gift to my niece for Christmas. I have had one for quite a while and absolutely love it!!! My water stays cold for days and the straw lid I got to go with it is comfortable to drink out of.
      Date published: 2020-01-29
      Rated 5 out of 5 by from I've never been so happy with a water bottle I bought this about a month ago, and not a day has gone by that I haven't used it. I take it everywhere I go, whether it be to school, or to work. I've had no issues whatsoever with my hydroflask and I've found that it holds heat and cold in very well. I also decided to purchase a straw lid for mine and it has helped me to drink more water than I ever have without even thinking about it. I absolutely recommend that anyone gets this bottle, and I especially recommend that you also purchase the straw lid attachment and throw a few ice cubes in there. That said, with the normal lid, it keeps tea very hot.
      Date published: 2020-01-27
      Rated 5 out of 5 by from Forever cold! Bought it for my son for Christmas, keeps cold for the many hours he’s at school.
      Date published: 2020-01-25
      Rated 5 out of 5 by from I love it. I bought this 40 oz. Is enough capacity to my daugther water dayly school.
      Date published: 2020-01-23
      Rated 5 out of 5 by from Hydro Flasks for Underwood & Rosenblum Our Hydro Flasks arrived a couple of weeks ago and our employees are enjoying using them. This is one product that actually lives up to its claims. Way to go, Hydro Flask!
      Date published: 2020-01-21
      Rated 5 out of 5 by from Comes in handy I bought this because i really wanted one and i LOVE IT !! it’s honestly really good . although i dropped it once and it already dented so i was sad about that :( . but overall amazing
      Date published: 2020-01-20
      Rated 5 out of 5 by from Durable and cute colors! I’ve been purchasing Hydroflasks for years, and recently bought my first 40 oz! I love that it holds so much water but isn’t too clunky or bulky. The colors are unique and I’ve dropped mine a few times (oops!) and it’s still in great shape!! Highly recommend getting the straw top separately for those times when you don’t have to carry it around long, but want an easy way to drink your water!
      Date published: 2020-01-19
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    • 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?  

      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’ve had my hydro for over a year and now I am finding shards of my lid in my flask when I use it. 

      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: 2019-10-29

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

      Asked by: Gabalabadingdong
      Lava and Tangelo have been discontinued and will not be coming back any time soon.
      Answered by: Consumer Service
      Date published: 2019-10-27

      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 

      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

      I just got my bottle in the mail. Should I wash it before first use or can I use it right away?

      Asked by: sophieb17
      Yes, we do recommend washing the flask before use.
      Answered by: Consumer Service
      Date published: 2019-10-27
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    Size and Fit Chart

    Close
    Hydro Flask Pack Size Chart
    Available SizesS / MM / L
    Torso
    Measurement    		 18 - 19 in
    43 - 48 cm    		 19 - 22 in
    48 - 56 cm
    Hip
    Measurement    		 22 – 46 in
    56 – 117 cm    		 26 – 46 in
    66 – 117 cm

    1. Torso Measurement

      • 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.

      • 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.

      • 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. 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