Bottles

40 oz Wide Mouth

$42.95
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Bottles

40 oz Wide Mouth

$42.95

Lifetime

  • Flex Cap
    Flex Cap
    Included
$42.95

Quantity

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More of a good thing.

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. TempShield™ double wall vacuum insulation makes sure your water stays icy cold up to 24 hours or your coffee piping hot up to 12.

40 oz Wide Mouth Lifestyle Image
  • TempShield

    Tempshield

    Colder. Hotter. Longer.

    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.

  • Pro-Grade Stainless Steel

    Pro-Grade Stainless Steel

    Pure and refreshing. Every time.

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

  • Proprietary Powder Coat

    Proprietary Powder Coat

    Comfortable and durable.

    Our proprietary powder coat means an easy-grip, sweat-free, and extra-durable bottle that you can take anywhere.

  • 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
  • BPA-Free and Phthalate-Free
  • Compatible with our Hydro Flip™ Lid and Wide Mouth Straw Lid
  • Lifetime Warranty

Size & Dimensions

40 oz
Volume 1,180 mL
Mouth Diameter 2.28"
Diameter 3.56"
Height 10.4"
Weight 17.5 oz
  • TempShield

    Tempshield

    Colder. Hotter. Longer.

    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.

  • Pro-Grade Stainless Steel

    Pro-Grade Stainless Steel

    Pure and refreshing. Every time.

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

  • Proprietary Powder Coat

    Proprietary Powder Coat

    Comfortable and durable.

    Our proprietary powder coat means an easy-grip, sweat-free, and extra-durable bottle that you can take anywhere.

  • 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
  • BPA-Free and Phthalate-Free
  • Compatible with our Hydro Flip™ Lid and Wide Mouth Straw Lid
  • Lifetime Warranty

Size & Dimensions

40 oz
Volume 1,180 mL
Mouth Diameter 2.28"
Diameter 3.56"
Height 10.4"
Weight 17.5 oz

Video

Reviews/Q&A

  • Reviews

  • Q & A

  • 40 oz Wide Mouth is rated 4.7 out of 5 by 1117.
    Rated 5 out of 5 by from Great for Water I own 5 of these 40 ounce wide Mouth Hydro Flasks. I love these bottles. I fill mine at night. When I get up in the morning the water is as cold as it was when I poured it at night. They are convenient to carry anywhere to keep cold water with you for hydration. I live in the south where we get very long hot summers. These are a must have to stay hydrated.
    Date published: 2020-03-05
    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 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 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 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 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
    Rated 5 out of 5 by from Loved it I bought this for my niece for Christmas and she loved it, she started using it right away. I'm glad I bought the sport cap to go with it, definitely needed with a flask this big.
    Date published: 2020-01-12
    Rated 5 out of 5 by from 40oz bottle I've been a fan of Hydroflask for a decade now but these 40oz bottles have been the greatest addition to any pack. I've used it as I was a wildland firefighter perfect size to carry on the fire line. And I also use it now working on an ambulance as a paramedic it fits right into the built in cup holders. Holds ice for over 24hrs. The different attachments make it more adaptable to any situation. I like the straw lid since I'm always on the move I dont have to worry about trying to drink while my partner is driving or even on a hike I can keep moving. Bought this for myself and one for a gift and they loved it! Wouldnt trade it for any other bottle.
    Date published: 2020-01-06
    Rated 5 out of 5 by from Amazing!!!!!!! I bought this a couple months ago! Love it! The water stays so cold and it never leaks! It’s extremely durable!
    Date published: 2020-01-03
    Rated 5 out of 5 by from Works amazing! This is the first size bottle I got. I now have 8 bottles. I got it for work. I am a lifeguard on the beach in Florida and sit in the sun for 8 hours a day. I can fill this bottle with water in the morning and there will still be ice when I refill in 4 hours later. I have been using this bottle for 3+ years and it still is in great shape even though it has been dented and dropped tons of times. Well worth it!
    Date published: 2020-01-03
    Rated 5 out of 5 by from Great Quality! Love it! I’ve had my first hydro flask for years and wanted to update! Got the boot this time too! Great idea!
    Date published: 2020-01-02
    Rated 5 out of 5 by from Worth every penny I've bought several products from hydroflask. Just bought a new 40oz, because my daughter appropriated my last one. Great product, perfect for workouts
    Date published: 2019-12-29
    Rated 5 out of 5 by from Love my new Hydro Flasks! I purchased 2 last month- love the colors! Keeps cold liquids cold for days!! Worth the money!!
    Date published: 2019-12-28
    Rated 5 out of 5 by from Love lt Bought this as Christmas gift for my husband and sure he love it a lot. It fit perfectly on his lunch box. a lil bit expensive for me but its money worth.
    Date published: 2019-12-25
    Rated 5 out of 5 by from Great features So i just got it for Christmas but it’s awesome and great to use can’t wait to use it for school and games.
    Date published: 2019-12-25
    Rated 5 out of 5 by from Best water bottle EVER! I received my HydroFlask as a gift several years ago and it went with me everywhere! I dropped it a few times and it became dented and still worked magnificently and became a permanent part of my life as it went with me everywhere! I measure my water consumption daily and this made it so easy. Unfortunately, I was hurrying to catch an airplane last week and my favorite companion, my Hydro Flask, got left behind at the gate! I asked the airline to try and find it but, I am pretty sure someone decided to give it a new home, and I am devastated! May it have a long and happy life with its new owner. I will have to get a replacement soon as I am lost without it!
    Date published: 2019-12-18
    Rated 5 out of 5 by from A converted water drinker I'm so not a fan of drinking water (unless its freezing cold), so I did research and Hydroflask was the only way to go. I absolutely love my 40oz lilac water bottle!!! I bring it everywhere and I can't get enough water now. I find myself refilling it a few times a day. Especially since it keeps my ice frozen :). I'm converting everyone to water drinkers!!
    Date published: 2019-12-18
    Rated 5 out of 5 by from Great packaging I got my hydroflask and great color, quality and in very good condition when it got here,
    Date published: 2019-12-18
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  • 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?  

    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
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