18 oz Standard Mouth
$29.95

18 oz Standard Mouth

18 oz Standard Mouth is rated 4.6 out of 5 by 554.
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$29.95
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>Ice. Water. Go.</span></h2> <p>Keeping your fluid intake on the upside is easy when you’ve got this portable travel buddy. Whether you’re headed to the gym or a quick jaunt across town, you can easily take your refreshment with you.</p>

Ice. Water. Go.

Keeping your fluid intake on the upside is easy when you’ve got this portable travel buddy. Whether you’re headed to the gym or a quick jaunt across town, you can easily take your refreshment with you.

18 oz Standard Mouth Lifestyle Image
18 oz Standard Mouth Insulated 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.

Proprietary Powder Coat

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

Cold Flow System
Details
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Product Benefits

  • Ideal for pairing with our Standard Mouth Insulated Sport Cap for one-handed refreshment
  • TempShield™ insulation eliminates condensation and keeps beverages cold up to 24 hours or hot up to 12 hours
  • Durable 18/8 Pro-Grade Stainless Steel construction
  • BPA-Free and Phthalate-Free
  • Lifetime Warranty

Size & Dimensions

18 oz
Volume 532 mL
Mouth Diameter 1.91"
Diameter 2.87"
Height 8.7"
Weight 11.3 oz
Technology
Lifetime Warranty

We stand behind our products.

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

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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 This bottle lasts for a day which is good so if i I bought this and it makes me feel so happy and I flex it on my friends
Date published: 2020-01-08
Rated 5 out of 5 by from Amazing!! I bought this for my 6 year old daughter for Christmas and she absolutely loves it!!! Couldn’t be happier with the product!
Date published: 2020-01-07
Rated 5 out of 5 by from EXACTLY AS ORDERED! I purchased the Hydro Flask 18oz Standard Mouth bottle as a Christmas gift for a teen. It was the exact color that was depicted on the website and arrived in time for gift giving!
Date published: 2020-01-03
Rated 5 out of 5 by from Awesome waterbottle for anyone I bought this for my parents who do not like using reusable waterbottles. They love them! Have been using them most days and claim it keeps their water so cold. Plus, they love the sleek design and crisp colors.
Date published: 2019-12-30
Rated 5 out of 5 by from Durable! I bought this product for my son, a 9th grader. He is rough with all his things and this product is sturdy and durable. Just perfect.
Date published: 2019-12-19
Rated 5 out of 5 by from I don’t know yet I bought it as a Christmas gift and it’s not Christmas yet so I don’t know
Date published: 2019-12-16
Rated 5 out of 5 by from Perfect for the student I heard a lot of varying opinions about hydro flask, but I got one anyway. So happy! Keeps my water cold all day and hot chocolate warm in the winter. Only bad thing is it dents pretty easily and dirt sticks to it really easily. It still works very well though. So if you're looking for a good water bottle, go with HYDRO FLASK!!!
Date published: 2019-12-11
Rated 5 out of 5 by from hydro flask i bought this a couple months ago and i absolutely love it . keeps it sooo cold throughout the day
Date published: 2019-12-11
Rated 5 out of 5 by from Happiest birthday ever! This Hydro Flask was a birthday gift for my 12 year old granddaughter. Ella was thrilled! She wanted the olive green and I added the matching green top!
Date published: 2019-12-07
Rated 5 out of 5 by from amazing I got my water bottle last year, and it has no dents no cracks like my other water bottles do, and I really love my hydro flask.
Date published: 2019-12-05
Rated 5 out of 5 by from Perfect Fit for Mouth. Perfect Fit in Lunch Box. This is actually one of four Hydro Flasks I own which I am providing a review. The two most recent (includes the one being reviewed) are a perfect fit for my mouth and also fit very well inside my lunch box. Did I mention how cold (or warm) they keep the beverages? That part is perfect as far as I'm concerned. My other two Hydro Flasks travel with me on my motorcycle trips throughout the Southern US and cross country. Every Flask is quite durable and I have recently purchased 6 more as Christmas Gifts.
Date published: 2019-11-29
Rated 5 out of 5 by from She is so happy with her Hydro Flask! This Hydro Flask was a gift for my niece - SHE LOVES IT!! Exactly what she wanted!
Date published: 2019-11-13
Rated 5 out of 5 by from Boyfriend loves it I got this as a gift for my boyfriend because he’s always needing water at school. He’s obsessed with it and it’s really awesome!
Date published: 2019-11-10
Rated 5 out of 5 by from only water bottle i’ll ever need i bought this a month or two ago. it’s pretty great. it’s keeps my water cold for up to like 2 days. it’s expensive for good quality. would buy again
Date published: 2019-11-09
Rated 5 out of 5 by from Love it! Awesome product I bought a month ago & so far it’s really great product
Date published: 2019-11-04
Rated 5 out of 5 by from Does as intended It keeps my water cold all day and is the perfect size to carry around in my back pack when I’m out. Dents kinda easy but it doesn’t affect performance so who cares
Date published: 2019-11-04
Rated 5 out of 5 by from Great for school! I just bought this and the color is so nice and vibrant! It also keeps my water cold all day when in class! Just make sure not to drop it because it dents very easily!
Date published: 2019-10-28
Rated 5 out of 5 by from Keeps drink cold and easy to use. Our granddaughter playes Volleyball and need something that wouldn't leak and keep her drink cold . She loves it. Thank You for making such a great product. I would recommend this to all. Very happy to find one that works well for our athlete .
Date published: 2019-10-21
Rated 5 out of 5 by from Perfect size This is small but a perfect size to fit in my backpack side pouch.
Date published: 2019-10-21
Rated 5 out of 5 by from Frost Hydro Flask 18 oz I love this flask, it works really well keeping my water very cold.
Date published: 2019-10-21
Rated 5 out of 5 by from Keeps cool, No sweat This the second flask, the first was a gift the second for my wife, as soon as I started using it I was convinced that my Kleen canteen had to go, Hydro flask keeps liquids cold for long periods of time and it doesn’t sweat like other containers that I’ve tried, my wife loves it as well!
Date published: 2019-10-14
Rated 5 out of 5 by from Happy, Happy, Happy! I am extremely pleased with my purchased. I love the color, it’s the perfect size, and even one left in a hot car my water is still nice and cold.
Date published: 2019-10-14
Rated 5 out of 5 by from Easy/perfect Keeps water cold all day on golf course and is easy to carry
Date published: 2019-10-11
Rated 5 out of 5 by from love it I bought it for my daughter for school and she loves it. it keeps the water cold all day.
Date published: 2019-10-09
Rated 5 out of 5 by from Stay Hydrated Looks chic and keeps me hydrated ALWAYS!! Saw a friend with the same one so I copped one myself. I carry it with me literally everywhere and the water is always cold.
Date published: 2019-10-09
Rated 5 out of 5 by from Great size for running errands As a Florida resident, I follow the rule never leave home within water! This is the perfect size!
Date published: 2019-10-07
Rated 5 out of 5 by from Thanks for the quality I have heard great things so i bought two, one smaller and one larger. i am so glad i did.
Date published: 2019-10-07
Rated 5 out of 5 by from awesome My friend loves it. She uses it everyday and is obsesed
Date published: 2019-10-06
Rated 5 out of 5 by from Amazing product!! Bought this product and im happy i did, incredible product
Date published: 2019-10-05
Rated 5 out of 5 by from I just loved it I got mine a month ago and I haven’t stopped using it since then. I usually drink lots of water everyday but now with my hydro it stays cool, even when I left my bottle in the car! I bring it everywhere now.
Date published: 2019-09-30
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Questions

I have a 16oz wide mouth hydro flask and I need the seal that is in the lid. I check at the local store and they told me I had to buy a new lid for about $6.00 and that the seals were not available. I was wondering if it is possible to buy a new seal?

Asked by: Herm
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: Hydro Flask Customer Team
Date published: 2017-02-17

It looks like the top lid changed to add a carrying piece. Is it plastic? Is it durable?

Asked by: Krisbri
It is plastic and durable. It is covered under our lifetime warranty. It is the same cap as the wide mouth flex cap, but now for the standard flasks.
Answered by: Hydro Flask Customer Team
Date published: 2017-02-15

I really want this 18oz size. But want a straw option. Is that available?

Asked by: Tamela80
We do not currently manufacture a product that matches your request, but we&rsquo;ll document your suggestion for future consideration by our Product Development Team.
Answered by: Hydro Flask Customer Team
Date published: 2017-11-30

Are all your products dishwasher-safe?

Asked by: Kris7
We do not suggest putting your flask through the dish washer. For cleaning, we recommend hand washing with a bottle brush and mild dish soap.
Answered by: Hydro Flask Customer Team
Date published: 2017-02-10

what are the dimensions of the bottle

Asked by: Ian lim
Product dimensions can be found on our FAQ page. You can see them here: http://www.hydroflask.com/frequently-asked-questions/
Answered by: Hydro Flask Customer Team
Date published: 2018-10-22

Do any of the smaller volume HydroFlask cylinders fit in a standard car cup holder? Thank you.

Asked by: Stacy Without An E
Product dimensions can be found on our FAQ page. You can see them here: http://www.hydroflask.com/frequently-asked-questions/
Answered by: Hydro Flask Customer Team
Date published: 2017-11-30

Recently, concerns have arisen about insulated stainless steel drinking containers having high lead levels in the seal/plug/paint. I am looking for a safe option that is responsibly manufactured and 3rd party tested for lead, etc. Will your items work?

Asked by: Dana2pups
Since the company&rsquo;s start in 2009, Hydro Flask products have always met the stringent safety standards set forth by the Consumer Product Safety Commission (CPSC). In late 2012, Hydro Flask made the decision to further improve our products, manufacturing practices, and the industry standard. We moved beyond the solder dot on the exterior bottom of select Classic Stainless finish flasks (it should be noted that because all of our flasks are double-wall vacuum insulated, the solder was never in contact with the flask contents) to a proprietary glass frit on all of our products, eliminating even the smallest amount of lead. As of August 2013, all Hydro Flask products are manufactured with this glass frit. And, as always, they&rsquo;re all made from food-grade stainless steel, BPA-free materials, and carry a lifetime warranty.
Answered by: Hydro Flask Customer Team
Date published: 2017-07-16

Hi! Can you tell me the height of the hydro flask minus the &quot;neck&quot; area where it gets more narrow? In other words, I need the height from base to where the width narrows. Thanks!

Asked by: Jules1980

do any of the bottles fit into the water bottle slot on a classic or mini kanken ??

Asked by: katiepunn

Does the sport cap &nbsp;that is available on the standard mouth easy enough for a 2 year old to &nbsp;manipulate?

Asked by: Blackwaterotter

Can the hydro flask float?

Asked by: bcarlisle

Would it be a good idea to paint on this waterbottle? I could show you a picture after I paint on it, I could send on any social medias.

Asked by: Hydro Flask Bot

is the spot cap lockable for putting it in a backpack. would it leak in a backpack?

Asked by: thirsty1000

If construction is made from &quot;high quality&quot; stainless steel, why is the interior coated with plastic as quality metals do not hold taste.

Asked by: nonicknameee
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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. $32.95
    21 oz Standard Mouth - fog
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