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Hydro Flask 21oz Standard Mouth Insulated Bottle with Standard Flex Cap - Moosejaw
 
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Hydro Flask 21oz Standard Mouth Insulated Bottle with Standard Flex Cap
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Hydro Flask 21oz Standard Mouth Insulated Bottle with Standard Flex Cap

Hydro Flask 21oz Standard Mouth Insulated Bottle with Standard Flex Cap is rated 4.7 out of 5 by 872.
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The Hydro Flask 21oz Standard Mouth Insulated Bottle with Standard Flex Cap is a sturdy vessel for holding your drink. Fill it up with water and stay hydrated through the work day. The cap features a loop, so you can grab it by a couple fingers and carry it around with ease. Stainless steel and insulated, so your drink stays cold (or hot).

Products on Sale are Discontinued Styles or Colors.

Product Description
Item No.   10335414

The Hydro Flask 21oz Standard Mouth Insulated Bottle with Standard Flex Cap is a sturdy vessel for holding your drink. Fill it up with water and stay hydrated through the work day. The cap features a loop, so you can grab it by a couple fingers and carry it around with ease. Stainless steel and insulated, so your drink stays cold (or hot).

Products on Sale are Discontinued Styles or Colors.

FEATURES of the Hydro Flask 21oz Standard Mouth Insulated Bottle with Standard Flex Cap

  • Smaller convenient size
  • Insulated Flex Cap for easy-carry comfort and ultimate portability
  • Ideal for kids
  • TempShield Protected
  • 18/8 Pro Grade Stainless Steel
  • BPA-Free
  • Durable, sweat-free powder coat finish

Product Specifications
Weight: 21 oz
Product Technology: Hydro Flask Temp Shield
Manufacturer Warranty: Lifetime
Disclaimer: We only ship this brand to US Addresses.
Best Use: Winter Camping
Bottle Opening: Medium
Cap Type: Screw Cap
Hydro Flask Temp Shield

Hydro Flask Temp Shield
You worked hard to produce the precise temperature and TempShield is here to preserve it. Thanks to double wall vacuum construction, TempShield technology protects the contents of your bottle from the elements so you can enjoy your beverage as intended. This design keeps your refreshments cold for up to 24 hours and your hot drinks hot for 6 hours. Whether it's hot or cold on the inside, you wouldn't know it because the temperature won't transfer to the exterior.

Check Out All Temp Shield Products >

Product Reviews
Rated 5 out of 5 by from Love it [This review was collected as part of a promotion.] The Hydro Flask in laguna blue is so nice. Love the make? Versatility and ease use of product. Cleaning is easy plus got the sling to go with it. You can’t go wrong with the set. The sling also has clips and a pocket. Overall I love my hydroFlask products and recommend highly!!
Date published: 2022-06-24
Rated 5 out of 5 by from Worked great! [This review was collected as part of a promotion.] The Hydroflask 21 oz standard mouth bottle keeps my drinks nice and cold for hours. With the temperatures outside rising,it is really nice to have a bottle that actually keeps my drinks cold for long periods of time. Easy to fill and clean with a standard bottle brush, this is my favorite way to carry beverages on my adventures.
Date published: 2022-06-24
Rated 5 out of 5 by from Always a Winner! [This review was collected as part of a promotion.] This brand of water bottles has never disappointed. Keeps my water cold all day. And if I use ice, sometimes I have ice in it the next day. Only great things to say about it. This size is a perfect size to pop in my bag and go. Haven’t tried it for hot drinks but I’m sure it would work just as well.
Date published: 2022-06-24
Rated 5 out of 5 by from Superior quality! [This review was collected as part of a promotion.] I absolutely love the Hydro Flask 21 oz Standard Mouth Bottle with Standard Flex Cap, Laguna! It is the perfect size to contain an ample amount of either hot or cold beverages, and a Small Tag Along Bottle Sling is also available for portable convenience. I’m especially impressed by its ability to keep cold drinks icy cold and hot drinks piping hot, while being lightweight, yet very durable. The lifetime warranty against manufacturer defects seems unnecessary since the construction and design appear to be extremely long-lasting. I’ve already carried it along for both hiking and biking, and it can fit into a vehicle cup holder for easy transport as well. The superior quality of its easy grip, sweat-free coating and pro-grade stainless steel are exceptional, plus I really like the sleek style and bright color! It is simple to drink from and easy to clean by hand, although it is surprisingly dishwasher-safe. Now that I’ve been using it for both cold water and hot coffee, I completely understand why the bottle is a best-seller! I would definitely recommend this product, and it has instantly become my new personal favorite!
Date published: 2022-06-23
Rated 5 out of 5 by from Love!! I’m obsessed! My new favorite water bottle. I was bummed it didn’t come with the straw cap and had to buy it separately but I still couldn’t be happier!
Date published: 2022-06-22
Rated 4 out of 5 by from Stays Cold [This review was collected as part of a promotion.] This is a great size water bottle. It’s not too bulk and doesn’t get too heavy when full. Best of all it keeps your water cold. The cap fits great and is easy to turn. The anodizing on the bottle is a good color and evenly done.
Date published: 2022-06-21
Rated 5 out of 5 by from Works Good [This review was collected as part of a promotion.] This is my families 3rd Hydro Flask, these things are very handy, easily stored and carried and keeps drinks cold. These are perfect for road trips, day hikes, sporting events, or just about anything else. These are well made and sturdy. Haven't found any defects or flaws. Well made product.
Date published: 2022-06-21
Rated 5 out of 5 by from Love love! [This review was collected as part of a promotion.] I LOVE this water bottle. It is so easy to drink out of and keeps my water cold. The lid screws tight and I like that it has a convenient little handle on the top. Also, the turquoise/aqua color is beautiful!!
Date published: 2022-06-21
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Will this particular bottle fit in a standard bicycle bottle cage?

Asked by: Jim M
Hey Jim! Good news: this can fit most standard cages! Load up with 21 ounces of ice and you have some ice cold water after a hard ride. Nothing can beat that!
Answered by: Scrubba Dub
Date published: 2018-07-18

Does the wide lid straw mouth cap fit the 21 oz hydro flask? 

Asked by: Sharbacker
Hey there Sharbacker, good question. For the 21 oz Hydro Flask you have three options; Hydro Flip Cap, Standard Mouth Flex Cap, and the Standard Mouth Sport Cap. Unfortunately, the Wide Mouth Straw Lid Cap is only compatible with the Wide Mouth bottles. Sorry, but I hope this helps!
Answered by: Marty Moose
Date published: 2018-08-29

Is this version dishwasher safe?

Asked by: BrAL
Hey there, thanks for your question. Yes, all Hydro Flask powder coated bottles are dishwasher safe. The only drinkware that doesn't have the powder coat from hydroflask are their coffee mugs with the handle, they have a more rubbery texture. I hope this helps!
Answered by: Gator
Date published: 2021-11-24

Are you able to put ice in the cup easily? How wide is the mouth opening?

Asked by: Ellieirwin
Thanks for the question! I actually have this Flask and I can for sure fit ice in there no problem. I measured the width of the mouth and it is approximately 1.75 inches. I hope this helps!
Answered by: Foxxy Cleopatra
Date published: 2018-02-23
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