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New Arrivals
40 oz Wide Mouth
$49.95
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New Arrivals

40 oz Wide Mouth

40 oz Wide Mouth is rated 4.7 out of 5 by 1659.
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$49.95
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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

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  2. 32 oz Wide Mouth 32 oz Wide Mouth

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<h2>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. 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>

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. 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.

Fresh look for a fan favorite
40 oz Vacuum Insulated Stainless Steel Water Bottle | Hydro Flask
Product image
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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
Diameter 3.55"
Height 11.2"
Weight 17.6 oz
Technology
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Lifetime Warranty
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:

  • 151 Nonprofits supported nonprofits.
  • $2.5 million Dollars donated donated.
  • 68,822 Bottles donated bottles.
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Reviews
Rated 5 out of 5 by from Holds a lot of water and keeps it ice cold Keeps enormous amounts of water cold all night, so I still have cold water when I wake up in the morning. This is something I've missed since I left New England and moved to the desert. My water always got warm too fast, even in the same thermal mugs I was using back east. I decided to give Hydro flask a go, and it was easy to get ice cubes in the mouth of the flask, the water was super cold all night, and the straw top was perfect. I couldn't be happier. I even bought a smaller one to take in the car, it works equally as well.
Date published: 2022-09-23
Rated 5 out of 5 by from Perfect Color for a water bottle Great water bottle for middle/high school kids. Keeps water cold for hours
Date published: 2022-09-22
Rated 5 out of 5 by from Best hydroflask hands down Absolutely love this new style of hydroflask. It’s a lot easier to hold compared to the old 32 oz I have. Love the color so much
Date published: 2022-09-19
Rated 5 out of 5 by from Keeps water cold; great for AZ heat! I bought this a month ago and have used it multiple times a week since. It keeps my water cold all day, and it's great for hikes and being out in the Arizona heat!
Date published: 2022-09-13
Rated 5 out of 5 by from Keeps ice! keeps ice in my drink for a whole day most of the time! i love it:)
Date published: 2022-09-12
Rated 5 out of 5 by from Made my Disney Trip just a bit more Magical Kept my ice water ice cold for a full day in Disney world in the summer! Even refilled from water refill stations once or twice and still had ice by the end of the day. Definitely recommend getting the straw top for it too!
Date published: 2022-09-11
Rated 5 out of 5 by from Best flask for my needs Love the color and the flask! Many imitators no duplicators! My fourth one! Bring back the Chrome/Stainless steel one, loved it!
Date published: 2022-08-28
Rated 5 out of 5 by from BUY Love it!! 100% recommended. Will absolutely tell family and friends to buy this
Date published: 2022-08-26
Rated 5 out of 5 by from Happy customer Keeps my water cold! Gorgeous color - just like the picture on the site! LOVE IT!
Date published: 2022-08-23
Rated 5 out of 5 by from Great value and size! I bought this some weeks back, my water is maintained cold, its great for extra water throughout the work day!
Date published: 2022-08-20
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Questions

Does the 40 oz wide mouth bottle generally fit in a backpack water bottle holder?

Asked by: Jlk110
It should. It would depend on the size of the backpack.
Answered by: Consumer Service
Date published: 2022-08-19

Why there is no baby blue &quot;Frost&quot; color for the wide mouth 40oz bottle ?? :( Can't even request a customize order.

Asked by: schoiele
We only have the frost available in the 32 ounce Wide Mouth bottle while supplies last.
Answered by: Consumer Service
Date published: 2022-08-09

Is 40 oz wide mouth eggplant available in Canada? I can't seem to find it here.

Asked by: Vancity
Hi there! Hydro Flasks are now sold in Canada! You can get them at Mountain Equipment Co-op, Sports Experts, Inter Sport , Atmosphere, Live Out There, Altitude Sports and Valhalla Pure Outfitters. Or check here to find a store in your area: https://www.hydroflask.com/stores.
Answered by: Consumer Service
Date published: 2021-09-04

Which flask fits in a car cup holder?&nbsp;

Asked by: ChiShan412
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: 2022-04-16

Will the 40 oz wide mouth bottle in a car's cup holder?

Asked by: Treefrog26
No, it will not.
Answered by: Consumer Service
Date published: 2022-02-07

is it ok to put lemon or lime in my bottle, or will the acid of the fruit eat away at the insides?

Asked by: petorchy
It won't affect the bottle.
Answered by: Consumer Service
Date published: 2021-05-21

hi. i was wondering if you will bringing back the light pink color for the 40 OZ anytime soon?

Asked by: Devi
We apologize for the delayed response. Currently, we are not making the Pinkadelic Pink color. Product colors are based on consumer feedback. I will forward your suggestion over to our Product Development team.
Answered by: Consumer Service
Date published: 2021-01-07

Does the straw cap fit the 40oz bottle? Does the straw reach all the way to the bottom of the 40oz bottle, as it would function regularly in the 32oz bottle? Or is it too short? If so, are there longer straw attachments?

Asked by: Melanie3
The straw lid fits the 40 oz bottle.
Answered by: Consumer Service
Date published: 2021-03-25
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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:

  • 151 Nonprofits supported nonprofits.
  • $2.5 million Dollars donated donated.
  • 68,822 Bottles donated bottles.
You May Also Like
  1. New
    Medium Tag Along Bottle Sling
    $39.95
    Medium Tag Along Bottle Sling - Baltic
    Colors Available
  2. Wide Mouth Straw Lid
    $9.95
    Wide Mouth Straw Lid - Black
    Colors Available