Wide Mouth Flex Sip™ Lid
$12.50

Wide Mouth Flex Sip™ Lid

Wide Mouth Flex Sip™ Lid is rated 3.9 out of 5 by 633.
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$12.50
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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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Flex Sip™ Lid - Wide Mouth | Hydro Flask
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Coffee on-the-go.

Whether your first sip is in the kitchen, car, or campsite, the Flex Sip™ lets you enjoy your favorite brew leak-free.

Product Benefits

  • Twist opening for easy on-the-go sipping
  • BPA-Free
  • Compatible with all Wide Mouth bottles
  • Lifetime Warranty
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 Easy to use Quick to get a drink doesn't leak as after the two drips that are caught between the lid sections. It can be completely disassembled and cleaned.
Date published: 2022-09-24
Rated 5 out of 5 by from Great to sip Great to sip and stay hydrated throughout busy workday. Keeps water cooler, easy to toss in top dishwasher rack for cleaning.
Date published: 2022-09-01
Rated 5 out of 5 by from love it Amazing!! It is basically perfect and very accessible and easy to use but water gets trapped in the lid sometimes and that causes a lot more spills so beware of that.
Date published: 2022-08-23
Rated 5 out of 5 by from Flex sip Excellent flex sip. Love it. I am thinking of getting the pink one too
Date published: 2022-08-18
Rated 5 out of 5 by from No identity the Hydro Flask Flex sip lid works great! It never leaks and makes it easy to get a drink without unscrewing the cap.
Date published: 2022-07-11
Rated 5 out of 5 by from Major improvement This coffee lid is a serious improvement over the style I had on my first hydro flask coffee mug. Glad for the upgrade!
Date published: 2022-07-11
Rated 5 out of 5 by from Sip Lid Love this lid. Easy to use and clean. Hydro Flask makes it very easy to use their product
Date published: 2022-07-04
Rated 5 out of 5 by from Great lid This kid is where it’s at. Start the day with coffee with this, switch over to water when it’s gone. First one was faulty some how and leaked. Company stands behind their products and made it right. Made me a loyal customer.
Date published: 2022-07-01
Rated 5 out of 5 by from It's VERERSATILE! Love how the Flex Sip Lid can be taken apart to be washed thoroughly. Better usage with hot then cold liquids.
Date published: 2022-06-29
Rated 5 out of 5 by from Love it I cant use the straw lid so this sip lid is amazing for me
Date published: 2022-06-20
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Questions

Is there a flex sip lid for the standard mouth 24 oz. Bottles?

Asked by: Cp56
No.
Answered by: Consumer Service
Date published: 2022-09-07

I’m afraid the top will grow mold. how should it be cleaned 

Asked by: abbyt07
All Hydro Flask caps and lids are top rack dishwasher safe.
Answered by: Consumer Service
Date published: 2022-06-09

I know this is meant to keep hot liquids hot, but does it keep cold liquids cool?

Asked by: Hydro flask girl
It will keep it cold for over 18 hours with ice
Answered by: mama78
Date published: 2022-04-15

Can I use this cap to serve drinks as well? Like filling a cup?. Or does there have to be a sucking motion?

Asked by: The A
Yes, it will not pour out extremely fast, but it will work.
Answered by: Consumer Service
Date published: 2022-08-25

I took the lid apart to clean it, then screwed the top two pieces together first. Now I can't get the third piece back on and I can't unscrew the top two pieces. Is there a trick to this?

Asked by: pomfrita
I apologize for the issue you are having. Please contact Customer Service at 888-584-9376 to discuss this further (8am-8pm ET).
Answered by: Consumer Service
Date published: 2022-07-12

What is the black removable piece underneath the lid for and how does it work? 

Asked by: Diane K
Please contact Customer Service at 888-584-9376 to discuss this further (8am-8pm ET).
Answered by: Consumer Service
Date published: 2022-07-12

Where can I find the sku# for this lid? I am trying to do a warranty claim but I cannot find the sku#. I've bought 3 coffee Wide Mouth Flex Sip and they all started leaking.

Asked by: Anonymous
It is CFX001.
Answered by: Consumer Service
Date published: 2022-07-29

Does this lid also work well to drink water as well as coffee? 

Asked by: proph03nix
Yes.
Answered by: Consumer Service
Date published: 2021-08-05
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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 Colors
    $32.95
    16 oz Coffee with Flex Sip™ Lid - Indigo
    Colors Available
  2. New Colors
    $34.95
    20 oz Coffee with Flex Sip™ Lid - Indigo
    Colors Available