To see product details, add this item to your cart. You can always remove it later.
FREE Returns
Added to

Sorry, there was a problem.

There was an error retrieving your Wish Lists. Please try again.

Sorry, there was a problem.

List unavailable.

Hydro Flask 21 oz. Water Bottle - Stainless Steel, Reusable, Vacuum Insulated with Standard Mouth Flex Lid , Fog

4.8 4.8 out of 5 stars 2,483 ratings

To see product details, add this item to your cart. You can always remove it later.
FREE Returns
Fog
21 oz

Purchase options and add-ons

Brand Hydro Flask
Capacity 1.3 Pounds
Color Fog
Special Feature Dishwasher Safe
Age Range (Description) Adult

About this item

  • New Hydro Flask water bottle design does not feature a registered trademark symbol next to the logo
  • Hydro Flask insulated water bottle is dishwasher safe; Slip-free powder coating won't sweat
  • Hydro Flask metal water bottles keep the coldest drinks icy cold and hot drinks piping hot for hours
  • Reusable water bottle is BPA-free, phthalate-free, and made of stainless steel; fits car cup holders
  • Hydro Flask water bottles come with a limited lifetime warranty against manufacturing defects
See more product details

Customer ratings by feature

Leak proof
4.8 4.8
Easy to hold
4.7 4.7
Easy to clean
4.7 4.7
Durability
4.5 4.5

Frequently bought together

$45.10
Get it as soon as Sunday, Mar 31
Only 1 left in stock - order soon.
Sold by allUneed and ships from Amazon Fulfillment.
+
$31.52
Get it as soon as Monday, Apr 1
Only 2 left in stock - order soon.
Sold by Day Time Goods and ships from Amazon Fulfillment.
+
$8.94
Get it as soon as Sunday, Mar 31
In Stock
Sold by Vivid Ships and ships from Amazon Fulfillment.
Total price:
To see our price, add these items to your cart.
Details
Added to Cart
Some of these items ship sooner than the others.
Choose items to buy together.

Compare with similar items

This Item
Hydro Flask 21 oz. Water Bottle - Stainless Steel, Reusable, Vacuum Insulated with Standard Mouth Flex Lid , Fog
Hydro Flask 21 oz. Water Bottle - Stainless Steel, Reusable, Vacuum Insulated with Standard Mouth Flex Lid , Fog
Recommendations
Hydro Flask Standard Mouth Bottle with Flex Cap
dummy
HYDRO FLASK - Water Bottle 621 ml (21 oz) - Refill For Good Edition - Stainless Steel & Vacuum Insulated - Standard Mouth with Leak Proof Flex Cap - Wave
dummy
Hydro Flask Standard Mouth Bottle with Flex Cap 21 oz, Stainless Steel, Dishwasher Safe
dummy
Hydro Flask Standard Mouth Bottle with Flex Cap
dummy
Hydro Flask Standard Mouth Stainless Steel Bottle with Flex Cap
Details
Added to Cart
Details
Added to Cart
Details
Added to Cart
Details
Added to Cart
Details
Added to Cart
Details
Added to Cart
Price-13% $45.10
Typical:$51.99
-8% $31.99
List:$34.95
-15% $26.96
Typical:$31.90
$41.11$34.95-7% $34.95
Typical:$37.59
Delivery
Get it as soon as Sunday, Mar 31
Get it as soon as Sunday, Mar 31
Get it Apr 1 - 3
Get it Apr 10 - 15
Get it as soon as Sunday, Mar 31
Get it as soon as Sunday, Mar 31
Customer Ratings
Easy to clean
4.7
4.7
4.2
4.6
4.3
4.7
Leak proof
4.8
4.8
4.6
4.3
4.9
Easy to hold
4.7
4.8
4.5
4.8
4.7
Sold By
allUneed
Nebraska Blvd
Innovative techs
Amazon Global Store UK
Innovative techs
Innovative techs
material
Steel
Blend
Stainless Steel
Stainless Steel
Stainless Steel
Stainless Steel
capacity
21 ounces
21 fluid ounces
621 milliliters
21 fluid ounces
21 fluid ounces
21 fluid ounces
cap type
Flex Cap
Flex Cap
Flex Cap
Flex Cap
Flex Cap
Flex Cap
base diameter
7.3 centimeters
2.85 inches
7.3 centimeters
care instructions
Hand Wash Only
Hand Wash Only
Dishwasher Safe
Hand Wash Only
Machine Wash, Hand Wash Only
Machine Wash, Hand Wash Only
weight
0.05 pounds
11.3 ounces
0.05 pounds
320 grams
320 grams

From the manufacturer

TempShield Technology

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

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

Comfortable and durable.

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

Hydro Flask Pledge

We stand behind our products.

All new purchases from authorized Hydro Flask retailers come with a limited lifetime coverage against manufacturer defects. Visit our official website for more information.

Standard Mouth Compatible Lids

Standard Mouth Flex Cap (Included)

Moves with you.

Strong yet flexible, the Standard Mouth Flex Cap is the perfect companion for spontaneous campouts, epic road trips, and everything in between. Made with stainless steel pivots and an easy-to-carry strap, this cap has Honeycomb Insulation to help keep your drinks cold for up to 24 hours or hot up to 12. Pair it with any of the Hydro Flask Standard Mouth bottles.

Standard Mouth Sport Cap

Sip. Refresh. Go.

From mountain trails to morning yoga class, the Standard Mouth Insulated Sport Cap lets you hydrate one-handed and on the fly. It’s the first insulated sport cap specifically designed to keep water in your Hydro Flask bottle ice cold, sip after sip.

Sport Cap is not intended for use with hot liquids and is not leakproof.

Looking for specific info?

Product information

Technical Details

Additional Information

Warranty & Support

Amazon.com Return Policy:Amazon.com Voluntary 30-Day Return Guarantee: You can return many items you have purchased within 30 days following delivery of the item to you. Our Voluntary 30-Day Return Guarantee does not affect your legal right of withdrawal in any way. You can find out more about the exceptions and conditions here.
Product Warranty: For warranty information about this product, please click here

Feedback

Hydro

Hydro Flask 21 oz. Water Bottle - Stainless Steel, Reusable, Vacuum Insulated with Standard Mouth Flex Lid , Fog


Found a lower price? Let us know. Although we can't match every price reported, we'll use your feedback to ensure that our prices remain competitive.

Where did you see a lower price?

/
/
/
/
Please sign in to provide feedback.

Product Description

With the Hydro Insulated Water Bottle with Standard Mouth and Flex Cap, you can count on ice in the forecast. Staying hydrated is easy when you’ve got this portable thirst-quenching travel sports water bottle. Whether you’re headed to the gym or a quick jaunt across town, you can easily take your refreshment with you in this metal water bottle. The simple modern water bottle design is the perfect bike water bottle, water container, insulated cup, travel mug, or water canteen. The TempShield double wall vacuum seal insulation will keep cold liquids chilled for up to 24 hours, while hot liquids remain hot for up to 12 hours. The Standard Mouth opening is large enough to fit most ice cubes but small enough to sip from on the go; it's a big water bottle in an easy to transport container. This vacuum insulated stainless steel water bottle is large enough to hold water for the day, yet it fits easily into a backpack, gym bag, bicycle water bottle holder, or car cup holder. Durable 18/8 water bottle stainless steel keeps your favorite beverage fresh and pure, without any leftover flavors or odors. Make our new dishwasher safe water bottle a part of your Hydro Flask collection. The new powder coating can keep its color and grip through every wash and rinse. This bpa free water bottle makes a perfect addition to any cute water bottles you already have in your collection. This Hydro Flask water flask product is backed by a manufacturer's lifetime warranty.

Customer reviews

4.8 out of 5 stars
4.8 out of 5
2,483 global ratings

Customers say

Customers like the size, performance, quality and color of thermos. For example, they mention it's the perfect size, does its job well, it'll last a long time and it has cute colors to choose from. That said, opinions are mixed on the value.

AI-generated from the text of customer reviews

21 customers mention21 positive0 negative

Customers are satisfied with the temperature of thermos. They mention that it keeps the water cold or hot all day, and has good insulation.

"Excellent durability, keeps the beverage cold for a very long time! I actually downsized from the 64oz and am very, very happy with this one!" Read more

"It’s beautiful, easy to clean and keep my coffee warm. I love it" Read more

"...scratch on it which I was super bummed about but out of all it kept my drink so cold it hurt my throat when I swallowed it Two fast ha ha amazing..." Read more

"I love my hydroflask. It keeps my drinks soo cold, all day and overnight. I'll still have ice in my cup from like over 24 hours ago...." Read more

19 customers mention19 positive0 negative

Customers are satisfied with the quality of thermos. They mention it's made of great material, durable, and lasts a long time. Some say that the water goes away fast.

"...These things last long. And I got it at a discounted price too." Read more

"Excellent durability, keeps the beverage cold for a very long time! I actually downsized from the 64oz and am very, very happy with this one!" Read more

"it looks just like a hydro flask but it’s cheap and it’s great material" Read more

"...Lightweight yet durable feeling. However, not happy how it came dented at the bottom...." Read more

15 customers mention13 positive2 negative

Customers like the color of thermos. For example, they mention it's cute, trendy, and has a great design. That said, some say that it damages easily.

"Great color, does its job well, this is a replacement for my mom’s older hydroflask which has served its purpose for almost 10yrs!..." Read more

"I love the color but it dents really easily if it falls but it’s really nice and you should buy it" Read more

"It’s beautiful, easy to clean and keep my coffee warm. I love it" Read more

"...I love the color, I got lilac, and it's nice!!!" Read more

9 customers mention9 positive0 negative

Customers are satisfied with thermos performance. They mention that it does its job well, and meets all expectations.

"Great color, does its job well, this is a replacement for my mom’s older hydroflask which has served its purpose for almost 10yrs!..." Read more

"My bottle had just came in the mail today, and it’s great overall. Lightweight yet durable feeling...." Read more

"...all time classic product, there’s a reason it’s so popular and meets all expectations" Read more

"...Great gift for athletes. Great product!" Read more

7 customers mention7 positive0 negative

Customers are satisfied with the size of thermos. They mention it's the perfect size to carry, and it fits well in cup holders. Some say that it has a handle and can be put in a side pouch on a backpack.

"...it fits perfectly in my side pouch on my backpack but since it’s so small the water goes away very quick." Read more

"The right size for the car...." Read more

"Perfect size to carry …even with your pinkie. Fits perfect in my car too. Love that it completely closes .. no outside bacteria here!" Read more

"Perfect size" Read more

4 customers mention4 positive0 negative

Customers find thermos incredibly easy to clean.

"It’s beautiful, easy to clean and keep my coffee warm. I love it" Read more

"Pros:Easy to cleanNot leakyGood insulationCons:Coated surface accumulate stains gradually" Read more

"Easy to clean but does not stay cold, I put ice in there and by the time I get to the gym it is already melted and my water is warm...." Read more

"...I loved it because it really kept my water cold and was incredibly easy to clean...." Read more

10 customers mention5 positive5 negative

Customers are mixed about the value of thermos. Some mention it's well made and worth every penny, while others say it'll break easily.

"...These things last long. And I got it at a discounted price too." Read more

"Little on the pricey side like they say you get what you pay for absolute quality product did not mind paying the money for the quality..." Read more

"it looks just like a hydro flask but it’s cheap and it’s great material" Read more

"...It's pricy but I guess this is very trendy water bottle, and she absolutely loves it. Got another small kids version for my other kid." Read more

16 customers mention4 positive12 negative

Customers are dissatisfied with the sturdiness of thermos. They mention that it dents really easily and comes with a scratch on it.

"I love the color but it dents really easily if it falls but it’s really nice and you should buy it" Read more

"...but I just don’t like how pricey they can get and also it came with a scratch on it which I was super bummed about but out of all it kept my drink..." Read more

"It is very cute by it damages easy...." Read more

"...It definitely dents easily and there's really no way of fixing it, so you have to be careful. I love the color, I got lilac, and it's nice!!!" Read more

When it came to my house it had a scratch on it
4 Stars
When it came to my house it had a scratch on it
Out of all it is amazing product but I just don’t like how pricey they can get and also it came with a scratch on it which I was super bummed about but out of all it kept my drink so cold it hurt my throat when I swallowed it Two fast ha ha amazing product I love it
Thank you for your feedback
Sorry, there was an error
Sorry we couldn't load the review

Top reviews from the United States

Reviewed in the United States on March 19, 2022
Color: FogSize: 21 ozVerified Purchase
Reviewed in the United States on March 24, 2022
Color: FogSize: 21 ozVerified Purchase
Reviewed in the United States on May 29, 2021
Color: FogSize: 21 ozVerified Purchase
Reviewed in the United States on April 24, 2022
Color: FogSize: 21 ozVerified Purchase
Reviewed in the United States on June 3, 2022
Color: FogSize: 21 ozVerified Purchase
Reviewed in the United States on April 3, 2023
Color: FogSize: 21 ozVerified Purchase
Reviewed in the United States on June 9, 2021
Color: FogSize: 21 ozVerified Purchase
Reviewed in the United States on April 27, 2022
Color: FogSize: 21 ozVerified Purchase
One person found this helpful
Report

Top reviews from other countries

Translate all reviews to English
Erin West
5.0 out of 5 stars Keeps water nice and cold
Reviewed in Canada on June 15, 2021
Color: FogSize: 21 ozVerified Purchase
A
5.0 out of 5 stars Best Water Bottle!
Reviewed in Germany on February 4, 2021
Color: FogSize: 21 ozVerified Purchase
Eva
5.0 out of 5 stars perfetta
Reviewed in Italy on February 1, 2021
Color: FogSize: 21 ozVerified Purchase
Customer image
Eva
5.0 out of 5 stars perfetta
Reviewed in Italy on February 1, 2021
Ottima qualità, il design è elegante e il colore è anche più bello di quanto possa sembrare dalle foto. pur essendo molto capiente non pesa tanto, il tappo la rende comodissima da trasportare e la temperatura rimane stabile per ore (ottimo anche per il tè).
Images in this review
Customer image Customer image
Customer imageCustomer image
3 people found this helpful
Report
Sophie
5.0 out of 5 stars I love it
Reviewed in the United Kingdom on June 2, 2020
Color: FogSize: 21 ozVerified Purchase
Mommyg
5.0 out of 5 stars High quality!
Reviewed in Canada on January 14, 2021
Color: FogSize: 21 ozVerified Purchase