Friday, August 10, 2012

Knit It: Mason Jar Cozy 3 Ways

Mason Jar Cozy Sign
I'm pretty sure I don't have to reiterate any more to you about my love of mason jars.  I'm sure you get the picture by now!  I'm not sure what it is that makes sipping an iced cold bevvy from a mason jar that much more refreshing, or why having your afternoon latte in a jar that much better...but it is.  I never realized using a mason jar as a drinking vessel was a thing until I came across it on Pinterest.  I just thought I was a weirdo that liked to reuse glass jam jars as a regular ol' drinking glass.  It's nice to know I'm not the only one who has this love!

Since discovering the Cuppow, my mason jar obsession went public.  As in I now take my mason jar with me where ever I plan on sitting for a while...usually knit night...or while out and about on errands on the weekend (since glass and single-parenting a toddler during the week days don't mix!).  I'll admit though that there was a flaw in using a mason jar for beverages.  My jar would get all wet with condensation from cold liquids and would leave water rings all over the place and get anything it touched wet.  Hot liquids warmed up the glass to the point where you can't hold it for long periods of time (even these barista-seasoned hands of mine couldn't take it!).  For an über quick fix I was using a strip of craft felt  as a sleeve, but found that over time the jar would start to slip off and it didn't solve the water ring problem.  I didn't need a sleeve, no, I needed a full on cozy with a bottom.  Be gone water rings!  And hello peace of mind about not having to worry that my jar was going to slip out of my cozy!  

So a few weeks ago before I was to head out the door to knit night I rummaged through my leftovers, grabbed a pair of needles, and casted on.  Like the geek I am, I used the sleeves of several different cardigans to figure out how many stitches I needed to cast on.  I made 3 cast on attempts (the first being with fingering weight before I got the right amount of stitches and the right yarn weight.  I chose to use a DK weight yarn rather than worsted or bulky because my hands are a bit on the small side and anything heavier than DK made it hard for me to hold onto the jar securely.  If you have normal or larger hands, I'm sure you can use the heavier weights - just be sure to adjust your needle size and stitch counts!  If not, DK is just perfect!

Anyhoo, after knitting The Basic cozy for my pint and half size jars, I realized that I needed a cozy for my pint size jars.  I switched it up by knitting The Ribbed, a simple 3x2 ribbing, et voilà!  A cute little cozy for my pint jars!  But then I thought why not have just one cozy for both sizes?  And so The Convertible was born.  I've been using my cozies a ton and even though the ladies in my knitting group laugh at them, I've gotten a few compliments.  Since I know that I'm not the only one that drinks from mason jars, I thought I would share this pattern with you.

Mason Jar Cozy - Convertible - with basic

This project is perfect for using up those leftover little balls of yarn you have lying around the stash.  I know I definitely have a fair amount lurking around in my stash!  I've given instructions for cozies for both the common pint size jar and the not so common (but definitely my fave!) pint and half jar.  Although, I see nothing wrong with using the pint size cozy on the larger size, you'll be able to see how much yumminess you have left in your jar!  

Please note that the cozies are a bit snug to get onto the jar.  This is intentional.  I wanted a really snug fit to guarantee that the cozy won't slide off or slide down and be all slouchy.  I snapped photos of the cozies on your typical pint sized wide mouth canning jars, as well as the pint and half jar by Ball.  Since this jar isn't common in Canada, I've also used an Atlas mason jar that you get pasta sauce in.  I've seen these everywhere.  OK, with that said...

Let's knit!

Mason Jar Cozy 3 Ways

:: Mason Jar Cozy 3 Ways ::
** All text and images copyright Miso Crafty Knits, 2012.  All rights reserved.  Please do not reproduce or sell this pattern and/or the images unless permission has been given.  This pattern is for unlimited PERSONAL USE ONLY!!  Shall you have the desire and choose to sell the cozies you've knit using this pattern, I simply ask that you notify me and credit me, Melissa Kwan, as the designer.  Thank you!

:: You'll need ::
♥ 3.75mm (US5) dpns or circular needle long enough for Magic Loop
♥ Approximately 30 grams DK weight yarn (all 3 samples shown in Madelinetosh Tosh DK)
♥ Stitch marker (optional)

:: Size ::
To fit pint (16 oz or 500mL) and pint and half (24 oz or 710mL) jars

:: Gauge ::
5.5 sts = 1 inch 

*Note: gauge is not extremely important but you do want a really snug fit so that the cozy will not slowly slide down and keep in mind that the cozy will stretch over time.  I also did not knit a gauge swatch as I found it would take the same amount of time to knit a cozy as it would to knit a swatch - just be mindful of how you knit (tight vs loose) when choosing a needle size.

:: Abbreviations ::
co - cast on
k - knit
k2tog - knit 2 stitches together
p - purl
rep - repeat
rnd - round
sts - stitches

:: The Basic ::

Mason Jar Cozy - Basic

♥ CO 40 sts using the long-tail CO method.  Place st marker for beginning of round (or use the tail as your marker if using Magic Loop) and join in the round, being careful not to twist your work.
♥ knit 1x1 ribbing for 1"
♥ switch to stockinette and knit until piece measures 4.5" (for pint) or 6.5" (for pint and half) from CO edge, or until desired length
♥ purl 1 round

:: Bottom ::
♥ *k8, k2tog; rep from * to end of rnd (36 sts)
♥ knit 1 round

♥ *k7, k2tog; rep from * to end of rnd (32 sts)
♥ knit 1 round

♥ *k6, k2tog; rep from * to end of rnd (28 sts)
♥ knit 1 round

♥ *k5, k2tog; rep from * to end of rnd (24 sts)
♥ knit 1 round

♥ *k4, k2tog; rep from * to end of rnd (20 sts)
♥ *k3, k2tog; rep from * to end of rnd (16 sts)
♥ *k2, k2tog; rep from * to end of rnd (12 sts)

♥ Break yarn, leaving a tail long enough to thread through remaining 12 sts and pull tight.
♥ Weave in ends
♥ Slip onto your mason jar
♥ Enjoy!

:: The Ribbed ::

Mason Jar Cozy - Ribbing

♥ CO 40 sts using the long-tail CO method.  Place stitch marker for beginning of round (or use the tail as your marker if using Magic Loop) and join in the round, being careful not to twist your work.

♥ k3, p2 ribbing until piece measures 4.5" (for pint) or 6.5" (for pint and half) from CO edge, or until desired length

♥ purl 1 round

♥ continue on to :: Bottom :: instructions as written for :: The Basic ::

:: The Convertible ::

Mason Jar Cozy - Convertible Collage

♥ CO 40 sts using the long-tail CO method.  Place stitch marker for beginning of round (or use the tail as your marker if using Magic Loop) and join in the round, being careful not to twist your work.

♥ k3, p2 ribbing until piece measures 3.5" from CO edge

♥ switch to stockinette and knit until piece measures 7.25" from CO edge.

♥ purl 1 round

♥ continue on to :: Bottom :: instructions as written for :: The Basic ::

Mason Jar Cozy 3 Ways - 2nd way

Want to switch it up a bit?  Try some of these variations!!

:: Variations ::
♥ instead of using 1 colour of yarn, why not use up those little scraps and add some playful stripes!
♥ have more than scraps?  Why not try colour blocking? 
♥ using different hues of one colour, hold 2 strands of fingering weight yarn together and create an ombré effect
♥ using fingering weight yarn in 2 different colours, hold the 2 strands together to create a marled look, as shown below

Mason Jar Cozy - Basic 2

How fun and funky is that marled look?  You know I just love pairing pink with black (and grey!).  

If you make a cozy (or 2...or 3...) leave me a comment and let me know!  I love seeing what colours and combos other knitters use!

Have fun and Happy Knitting!!  ♥

** UPDATE ::  You can now download the Mason Jar Cozy 3 Ways pattern on Ravelry!!  If you haven't already, add it to you queue, upload photos of the ones you've made!  I love seeing how people use this pattern!

:: Ravelry ::


  1. I LOVE IT! thanks for sharing the pattern! now i need to get my cuppow from you so i can get drinking out of my mason jars! xoxoxo

    1. Yay! I'm glad you like it!

      I know, I feel horrible and like I'm holding the Cuppow hostage. Sorry! ♥

  2. haha this is rad! i turned a half done jane richmond legwarmer into a cozy for my jar as a quick fix over the winter but haven't gotten around to making a better one. mine slouches down a lot and needs an elastic to hold it on now, it does make a great fake baby hat though. thanks for sharing! here's my purple one and cuppow love :) i'll def be casting this on asap, i was looking for something useful to do with my bit of yarn leftovers!

    1. Hahaha...yay for thinking outside the box and using things in a way not intended! :D

      I love your photo of your jar and Cuppow all cozied up! And I agree, your Cuppow eventually pays for itself for bringing in your own cup whenever you go to a coffee shop!

  3. My cousin loves her mason jar...b/c of you she now knows of the magical Cuppow and I know what I'm making her for Christmas! Ha!
    gorgeous yarn and photos, as usual.

    1. Thanks so much Hannah! ♥

      Oh yay! I'm so glad your cousin knows the way of the Cuppow! :) You just gave me an awesome idea for Christmas gifts too!

  4. you should totally put this on Ravelry!

  5. Thank you for this! I just knit a small one and it fit my GEM jar perfectly. I'm wondering where you got your pint and a half jars. I'm in Vancouver and can only seem to find US sources. Thanks

    1. Oh yay!! I'm so glad that the pattern fit your jar!! :) And sorry for replying so late, I didn't realize there was a response to this post! I got my pint and half jars from which is a company based out of Alberta. Other than that, I can't seem to find a local source anywhere on the island or lower mainland. I found Greenmunch to have really fast and reasonable shipping too. :)

  6. This is brilliant and beautiful! I'm going to make some for the quart jars I use for camp cooking- I pour in boiling water and dried food, and while it cooks nicely, the jar is either too hot to hold, or dinner gets cold. This is perfect!

    1. Thanks Laura!! :) If you do knit some up, come back and leave a link so that I can see some photos! I love seeing mason jars and these cozies in action! ♥

  7. I love my Cuppow so much, and this pattern makes it every better! Thanks!
    My first cozy (there will be more):

    1. Yay for the Cuppow and double yay for making a cozy!! :D Thank you so much for including a link so that I can check out your work! ♥

  8. I love this pattern! I have made 2 already, and I can't wait to make more! Thx for sharing!

  9. Yes! I too love mason jars, and jam jars! Fantastic idea- I'm going to make several colors. Thanks for sharing!!

  10. Just made one of these for my Mason jar morning smoothies to keep my hands warm.... LOVE it! Thanks for the pattern

  11. I made two so far, but I didn't do mine in the round. I'm a beginning beginner but it's so much fun! I'll be getting some circular needles soon though, so I won't have the "seam" in the back.

    You can see my finished koozies on YouTube:

  12. Hi Melissa! I love your Mason Jar Cozies- what a fun spin on the mason jar trend! I recently published a blog post about summer cozies and included a link to your awesome project. Go check it out!

  13. If you live cuppow you should check out ecojarz!

  14. I make these often now--everybody I make them for loves them, and I love them too! Thanks for this awesome pattern. :-)

  15. hi there! is there any way you could share how to adapt these for a quart jar? i am a fledgling at knitting.


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