Wide Mouth Flex Sip™ Lid
$12.50

Wide Mouth Flex Sip™ Lid

Wide Mouth Flex Sip™ Lid is rated 4.5 out of 5 by 167.
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$12.50
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

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:

  • 92 Non-profits supported non-profits.
  • $1.5 million Dollars donated donated.
  • 26,043 Bottles donated bottles.
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    Hydro Flask 16 oz Coffee with Flex Sip™ Lid - Spearmint
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Reviews
Rated 5 out of 5 by from No leaks I love the hydroflask wide mouth flex sip lid. It’s perfect for on the go drinking. There are no leaks and it is easy to wash. I really appreciate how hydroflask gives you more than one lid option. My kids can easily drink out of it.
Date published: 2020-11-23
Rated 5 out of 5 by from Easy to clean I got this sip lid to replace the original lid that came with our 20 oz hydro flask. I was glad to find that the lid pieces come apart making for easy cleaning. Some lids can be difficult to properly clean, but this one simply unscrews for a good wash.
Date published: 2020-11-23
Rated 5 out of 5 by from Easy drinking This lid fits my 20oz bottle perfectly. I like how with a simple twist I can open it. It makes drinking easier. It is easy to clean this just twist it off and wash it. This lid is probably one of my favories. I no longer have to remove it each time I want to drink. Just simply twist and open.
Date published: 2020-11-21
Rated 5 out of 5 by from Perfect Addition! We recently got a Hydro Flask 20 oz Wide Mouth and wanted to have a different lid. TheMy Review for Hydro Flask Wide Mouth Flex Sip™ Lid is great! You don't need to continually take the lid off to get a drink! My son loves it for drinks at school! A must have if you love Hydro Flask!
Date published: 2020-11-20
Rated 5 out of 5 by from Great features The main purpose for this lid is to drink hot beverage easier so you dont have to open and close the regular lid for drinking. It's easy to use, put together and pull apart for cleaning. Lightweight and no spill, no leakage guaranteed while using. Good product
Date published: 2020-11-20
Rated 5 out of 5 by from Great! We love our Hydro Flask wide mouth flex sip lid! Super great quality and no spills or leaks! I love that you just twist the top to open and close because that makes it easy for kids. And there is a handle attached for easy carry. Hydro Flask is the best and worth the money!
Date published: 2020-11-20
Rated 5 out of 5 by from Perfect lid for on-the-go! I had the opportunity to utilize the Hydro Flask Wide Mouth Flex Sip Lid with my 20 oz Hydro Flask Wide Mouth Tumbler. As a busy mom, always on-the-go, I absolutely love this lid option for drinking my coffee and tea in the car, while shopping or when at an event! This lid fits securely on my tumbler and features an easy-twist option for opening and closing the sipping spout. I love that the red line indicator makes it simple to see that my tumbler is sealed. I have had no issues with leaking, and love how hot my beverages remain, even hours after pouring. The easy-hold handle is a huge bonus for me, as it makes carrying my tumbler easier when I have other items (or people) in tow. The Hydro Flask brand holds true to its high-quality promise in every way!
Date published: 2020-11-20
Rated 5 out of 5 by from Perfect addition to your hydro flask! This makes your hydro flask even better! I love the ease of not having to take the lid all the way off to take a drink! I also LOVE how easy it is to take apart to be able to really clean it too! The handle makes for easy carrying which is nice too! Even if you leave it open it keeps ice frozen for hours!
Date published: 2020-11-19
Rated 5 out of 5 by from Great addition I got my new wide mouth drinking lid when I git my new hydro flask being very optimistic about how it would play a role in my everyday usage and I have to honestly say it works well for different situations especially when. On the go everyday walking I don't have to worry about spilling my beverage when walking and it simply twist on so it's not hard to innstall
Date published: 2020-11-19
Rated 5 out of 5 by from Perfect for taking on a workout I love having this option for a wide mouth flex sip lid for my hydro flask. I have found it to be very handy when working out. I can get a drink from the opening without taking off the whole lid. This was a perfect match for me and my hydro flask. Great quality at a excellent value. I would definitely recommend it to everyone that has a hydro flask.
Date published: 2020-11-19
Rated 5 out of 5 by from Perfect companion The flex sip lid that goes with my hydro flask makes it much easier to drink any beverage when you are on the go. The design secures a no-drip sip (my words not theirs) that is easy and convenient, along with looking really good. I think this product is very well thought out for anyone needing a solution to carrying hot or cold liquids.
Date published: 2020-11-18
Rated 5 out of 5 by from Loved the lid I was chosen to receive this product in an exchange for an honest review. I loved the wide mouth lid because it was much more convenient to just turn the lid when ready to sip and close when done to prevent spills. I prefer this lid rather than the spin top that the flask comes with. I have having to remove the lid every time I have to take a sip so the wide mouth flex lid was very appreciated! Overall this product was great and I recommend it!
Date published: 2020-11-18
Rated 5 out of 5 by from Fits great on the hydro flask I really like this lid its spill proof so if it gets knocked over there isn't a mess. I like that it fits on the 20 oz hydro flask awesome. I like the handle that is on the lid so its east carry. It's a well made lid for an awesome value
Date published: 2020-11-17
Rated 5 out of 5 by from Great lid! Love this extra lid! It is very easy to use. The Flex Sip lid definitely makes sipping easy and spill proof. I prefer sipping my drinks rather than drinking straight out of the container! So this is the better lid for me!
Date published: 2020-11-17
Rated 5 out of 5 by from Finally! Easy to Clean! Where has this sip lid been my entire life?! I find it hard to actually clean any sip lid; therefore hesitate to use reusable sip lids due to worries about bacteria build-up. This Hydro Flask Wide Mouth Flex Sip Lid is the perfect solution. I use it for my workouts everyday now. The lid comes apart into pieces so that I can easily make sure that it is all the way clean. Taking it apart and putting it back together takes a little bit of learning; fortunately the lid is marked with directions on how to do it. No spills will happen when the red indicator is showing through the top of lid. It will definitely spill if it gets knocked over and isn't turned shut. Highly recommend for your Hydro Flask.
Date published: 2020-11-17
Rated 5 out of 5 by from Perfect size I received My Hydro Flask Wide Mouth Flex sip Lid- color black and it works perfect! Stays on great no leaks or messes and fits my mouth perfectly- I am extremely pleased! Fits perfect with my Hydro flask! Thank you! Great product!
Date published: 2020-11-17
Rated 5 out of 5 by from Wonderful cap! Easy to use, easy to clean, handy carry strap, has a red dot indicator so I don't have to guess whether it's open / closed. It's a vast improvement over their Hydro Flip cap which easily breaks when dropped. Fits my similarly-sized Klean Kanteen thermoses. I also have Klean Kanteen's Cafe Cap 2.0. It too is leakproof but it has 5 pieces to take apart for cleaning; this one only has 4. I've only had this for one day so I don't know how durable or leakproof it will be in the long run. HydroFlask's website does not offer replacement gaskets; hope they will in future.
Date published: 2020-10-12
Rated 5 out of 5 by from Fantastic It’s a little tough to unscrew but love it!! Makes drinking easier and no liquid drips on the nose.
Date published: 2020-10-12
Rated 5 out of 5 by from Easy for kids, no spills My daughter loves the functionality of the sip lid.
Date published: 2020-09-29
Rated 5 out of 5 by from The Best I bought this lid for me and my girlfriend about a year ago when it was released and it is the BEST thing that hydro flask has created! I don’t personally like drinking out of the wide mouth openly because I’m clumsy and it spills all over me so this lid is even a great replacement for just drinking water through! Definitely a thumbs up!
Date published: 2020-09-25
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Questions

Can the flex sip be put in the dishwasher

Asked by: Mel74
Hello, I do apologize for the longer response time! yes, but we recommend it be hand washed.
Answered by: Consumer Service
Date published: 2020-11-05

Can you use this lid for smoothies/thicker drinks?

Asked by: LimaBean
Hello, I do apologize for the longer response time! No, they typically are not used for thicker drinks!
Answered by: Consumer Service
Date published: 2020-11-05

When Drinking your Coffee how do you know it's not to Hot?? With the Flexcap

Asked by: Magz86
We apologize for the delayed response. Our best suggestion would be to let the flask sit open for a bit and then test it before you put the lid on.
Answered by: Consumer Service
Date published: 2020-11-05

Is the gasket inside latex or silicone? My daughter is allergic to latex so hoping it is silicone.

Asked by: phxmercury
We apologize for the delayed response. The gaskets are made of silicone.
Answered by: Consumer Service
Date published: 2020-11-05

Is this compatible with the new trail series?

Asked by: s_11
Hello, I do apologize for the longer response time! Yes, any wide mouth cap will fit any wide mouth bottle!
Answered by: Consumer Service
Date published: 2020-11-05

Will this lid work with the trail series?

Asked by: Barbie808
We apologize for the delayed response. The flex sip lid will fit the wide mouth lightweight trail series bottles.
Answered by: Consumer Service
Date published: 2020-11-05

Will this fit my 32oz bottles?

Asked by: Frisbeeslinger
Yes
Answered by: Consumer Service
Date published: 2020-11-05

Does this lid fit the trail series bottle?

Asked by: DomH
We apologize for the delayed response. The flex sip lid will fit the wide mouth lightweight trail series bottles.
Answered by: Consumer Service
Date published: 2020-11-05
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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:

  • 92 Non-profits supported non-profits.
  • $1.5 million Dollars donated donated.
  • 26,043 Bottles donated bottles.
You May Also Like
  1. $32.95
    Hydro Flask 16 oz Coffee with Flex Sip™ Lid - Spearmint
    Colors Available
  2. $34.95
    Hydro Flask 20 oz Coffee with Flex Sip™ Lid - Sunflower
    Colors Available