How to Sew Your Own Pajama Pants

 by compwalla
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PJ9.jpg
This instructable shows you how to sew easy-to-make pajama bottoms in any size. I don't know if you have shopped for any pajamas lately but they are crazy expensive. At Land's End, they want $24.50 plus shipping for toddler-sized flannel pajama bottoms. When you see how easy it is to make PJs, the man behind the curtain is revealed and you see what a racket that is. These pants are for my son's "Fall Festival" day at school which banned costumes in favor of a pajama day.

I also make matching pajama bottoms for the family every Christmas because I am crazy and I like everyone to match in the Christmas morning pictures. I don't care if my hair is sticking up or my husband needs a shave but we all must match in the pictures like the Brady Bunch on Tour every Christmas morning. It is not possible to find matching pajamas in the four sizes we need so I buy enough awesomely cheesy Christmas flannel to outfit the whole gang. Then we get plain t-shirts in a complementary color so we can keep on, keep on, keep on dancing through Christmas day.

One small disclaimer:
If you're making kids' pj pants, these are technically supposed to be called lounge pants because they are made from regular woven cotton or flannel and worn by children. There are all kinds of laws addressing the safety of children's sleepwear and anything worn to bed by children is supposed to be snug-fitting in case of fire. That's why all those stretchy cotton PJ sets for kids are tight as an old lady's compression hose. They don't want to get sued if your child gets burnt in a fire. The looser PJ pants are made from fire-retardant material which never feels nice like cotton. So send your children to bed in these pants at your own risk.
 
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Step 1: Gather Your Supplies

To make sure you get the right size, just make sure you have a pair of pants that fit the intended pajama wearer. If your pajama wearer is far away, then find out the right size and borrow some pants from someone who is that size or carry yourself down to the Salvation Army and part with a couple of your increasingly precious dollars for a busted-up pair you can use as a pattern. This is a DIY tutorial and I figure anyone smart enough to sew up some pajama pants is also smart enough to find some in the right size but you never know.

Fabric - woven cotton or flannel or jersey or whatever floats your boat. The exact amount you need will depend on how big the pants are and whether the print is directional or not. If you are an experienced sewer, you know what that means and you can skip the next bit or you can read it and think, "Well, duh." A directional print is one that has a right-side up. Like words or Christmas ornaments or something else that is meant to hang only one way. If you're making adult pants and using a directional fabric that's a standard 44" wide, you will need almost twice as much fabric because you can't save fabric by flipping the pattern around and cutting one leg upside down. If you don't buy extra fabric and move the pattern down along the same fold to cut the second leg, your husband's cheesy Christmas pajamas will be even more cheesy because the aforementioned Christmas ornaments will be hanging down properly on one leg and, in total defiance of gravity and common sense, hanging UP on the other leg. (Sorry, dear.) To use the smallest amount of fabric possible on your "lounge" pants, buy a cute print that looks the same turned any direction.

You'll also need thread to match, pins, paper to make the pattern, a pencil or pen, scissors, a safety pin, and enough elastic to go around the waist of the wearer plus about five inches. What kind of elastic isn't all that important but it should be about 1 / 2 inch wide.
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cphillips21 says: Jan 30, 2013. 7:37 PM
These instructions are very helpful. I have a question. I'd like to make these pajama pants footed. Do you have instructions for this? I have purchased the non-slip material to use. Thanks
compwalla (author) in reply to cphillips21Jan 30, 2013. 9:20 PM
I sure don't. :( I think you could probably find a commerical pattern for jammies with feet. I am envisioning elastic around the ankles and a foot part you join to the bottom of the pant leg but I don't have anything written up to follow for feetie pajamas. Good luck!
ExquiseMarquise says: Dec 23, 2012. 2:29 PM
Hi! I am currently making a pair of pajamas and I am at the "trying it on" step. The leg width is just fine but I have a problem with the rise : it is too low on the back (my panties show when I bend over) and too high on the front (higher than belly button). It is the exact same size for the front and the back but I have a bum to fit in...

I really like the fabric I have used and I would hate to have wasted my time (and fabric). I assume I could add a little fabric at the top as a belt, instead of just rolling the rise down to hide the elastic, but that's only a theory and I'm not quite sure how to do it... Any advise?
nbrandt1 says: Dec 15, 2012. 7:04 AM
I loved this tutorial. I have been sewing since I was about 12, so I already knew all this, but it was fun to read the "snarky" comments. I'm going to make a bunch of pajama pants for my son for Christmas as he's outgrown all the ones I've made him in the past. Thanks for the fun read.
Maddymaba says: Nov 29, 2012. 8:54 PM
These were my first real attempt at making anything that wasn't a bag. They turned out great and look adorable on my daughter! Your instructions were easy to follow especially for me as a beginner. Thanks!
hayland says: Sep 16, 2012. 5:54 AM
Just made my son a pair of these, they fit great and he loves them:) Thank you for the easy instructions. I am new at sewing, just bought an old sewing machine and have only made a jean purse before these and had no problem:)
Mama Tea says: Aug 18, 2012. 12:07 PM
Great tutorial! Perfect for revamping my kids' fall pj supply :-)
littlepainter says: Aug 9, 2012. 9:42 AM
I got a sewing machine just yesterday, and was able to make these as my first project, even though I'd never worked a sewing machine before. I'd say that means you have some pretty great instructions:)

My pants came out looking pretty good, but I had some thread mishaps;) Not the fault of these instructions at all, just a learning curve for a newbie. I will be using this instructable again in the future! Thanks so much for instructions so easy a total novice can use them! Witty AND useful. I love it!
marglover says: May 7, 2012. 8:07 PM
A great source for elastic is your hubby's worn out underwear. The underwear usually croaks way before the top band. Nice wide elastic and it didn't cost a thing! :)
thepkl says: Feb 25, 2012. 10:24 PM
if you use muslin for your pattern you can use it over and over again.
ccn222 says: Feb 11, 2012. 12:47 PM
Great instructions. I was a bit confused at first, but the photos helped make the steps clear. Nice job! Thanks!
lediva says: Feb 11, 2012. 12:39 AM
wonderful tute! thankyou:) Made my 4yo son some pirate themed pyjama pants & they turned out great & didnt take long with my serger;) Love it! going to make more! brilliant.
MagstaTheAwesome says: Feb 1, 2012. 10:37 PM
Just made myself a pair :) they're comfy and fit really well!!!! although i did accidentally twist the elastic :) I made mine out of an old doona cover. Stripey :D
omgitsbeth says: Jan 22, 2012. 1:01 PM
Knocked a pair of these out in an hour and a half. Mmm, flannel jammie bottoms.

Brilliant (and funny) instructions. Thanks a lot!
bma2003 says: Dec 27, 2011. 2:01 PM
What great instructions! I just have one quick question: When we place our pattern on the fabric to cut, do we need the1/2" seam allowance on the straight edge that goes along the fold of the fabric, or no? I'm such a nervous sewer and I want to do it right! :-)
compwalla (author) in reply to bma2003Dec 27, 2011. 2:11 PM
You can skip that seam allowance if you want the pants to fit a little closer. Adding the extra makes them really loose and baggy. I tend to leave it off because my kids are built like pencils but if your PJ wearer has, um, ample thighs for instance you might want to leave that on. :)
bma2003 says: Dec 27, 2011. 1:59 PM
What great instructions! I just have one quick question: When you're cutting out the pattern, do we need that 1/2" seam allowance on the outside straight edge that we marked on our pattern, or do we not need that and put that straight edge along the fold w/out the 1/2" seam allowance. I'm such a nervous sewer and I want to do it right! :-)
Azalara says: Dec 24, 2011. 6:12 AM
Thank you -sew- much for this. It's clear, easy to follow, pictures are great, and you're hilarious! I'll be using this for a long time to come.
I'm making a pair for my Dad right now and I wanted to be fancy, so I'm putting some pockets in.
You're great! Thanks again!!!
ForeverSiren says: Dec 11, 2011. 7:01 PM
I don't quiet understand this part of the instructions. I am making pj pants for a 7 year old who takes a size 8 childrens, (atleast thats the size of pants i measured) and i only bought 1 1/2 yards of fabric.
Anyway ,the part i really don't understand is what you mean by "Fold your fabric just enough to accommodate your pattern" and in the picture it shows it folded in half twice.
compwalla (author) in reply to ForeverSirenDec 11, 2011. 7:09 PM
So you have a piece of fabric 1.5 yards long and about 44" wide. If you have the pattern cut out for one leg, you're going to need to cut two of those. So if you've only got 44" wide of fabric to work with and a small-ish sized leg, you don't want to fold the fabric exactly in half because that's a waste. You'll cut a leg-shaped hole out of the middle and be left with not enough to cut both legs.

So. What you need to do is lay out the 44" of fabric and fold the selvedge edge (the finished edge along the long sides of the fabric) towards the middle only as far as you need to fit the leg pattern on there. Then cut Leg #1 out. Now you need a second leg so you refold and cut Leg #2.
ForeverSiren in reply to compwallaDec 13, 2011. 9:58 AM
Oh! Thank you so much! That really cleared things up. Thanks again! :)
kgoodway-chakonas says: Dec 10, 2011. 6:55 AM
you are hilarious!! thanks so much...they came out great!
deborahabe says: Nov 20, 2011. 3:09 PM
Thanks for awesome instructions. I was able to make a toddler a matching pair of pajama bottoms out of a pajama top utilizing the sleeves as legs. I also appliqued a plain Toddler shirt to match the pants. (To find similar matching pajamas for my daughter & 2 granddaughters cost $160 total online.) Though I had to buy an additional pair of women's pajamas in order to make the toddler pants, I used just the top—allowing my other daughter to have the intact PJ pants. By doing it this way, I only spent $80 for all 4 people. I think they will be thrilled on Christmas Eve.
abibby says: Nov 14, 2011. 9:59 AM
I'm so glad I've found this site! My husband (who's great at crafts) has decided that we should make each other a gift for Christmas - I don't have a creative bone in my body and had no idea what to make.

One thing I can do is sew (I made him a great Austin Powers suit from some old velvet curtains a few years ago), and he can never find PJ bottoms long enough so this idea will be my saving grace.

Thanks Compwalla, you're a star!!
GolfinMom4 says: Aug 16, 2011. 11:24 PM
Hi Compwalla,
I was wondering if one could use a knit material for these pants? What changes would need to be made in the sewing technique?
Thanks! Great instructable, by the way.
compwalla (author) in reply to GolfinMom4Nov 10, 2011. 11:56 AM
If you're using a knit, make sure you're using the right kind of needle. And if you have a serger, you could serge the leg and crotch seams instead of straight sewing them. If you don't have a serger, using the double seam is probably the safest thing. Just make sure you're not stretching the fabric as you feed it under the needle.
gpoldaas says: Nov 1, 2011. 1:25 PM
Thanks so much! Saves us a bunch on christmas gifts this year I'm glad I came across this instructional. Now... All I need is a 6pack to bribe my husband into being a good sport and being my "test subject" for the first pair of pants.
Question: Would there need to be any modifacations done to the pattern to work with a pregnant woman's increasing belly??
Thanks Alot!
compwalla (author) in reply to gpoldaasNov 10, 2011. 11:54 AM
Oh goodness. A maternity pair is tricky. If you have a pair of maternity pants to use as a pattern that would help. Otherwise I'd probably suck it up and buy a pattern just in case.
trish52 says: Nov 8, 2011. 2:16 PM
I have the material, pair of fitting pants, and paper for pattern all set to go. Just wondering if you've ever tried making the back rise longer than the front, or should I just go with the same for front and back? Thanks!!
compwalla (author) in reply to trish52Nov 10, 2011. 11:54 AM
You could but I've never done this on these pants. This is a quick-and-dirty but you can try it and see if it works.
monkeyweather says: Oct 12, 2011. 10:45 PM
Excellent idea - definitely going to try this. And such subtle, old-fashioned fabric too - like the kind Grandma might have worn on Christmas morning XD
dtaylor babin says: Oct 3, 2011. 7:06 PM
This is great!!! Thank you so much for all the good info and you cracked me up! I will make my husband crazy by making him wear matching pants! =)
mwillhoite says: Sep 28, 2011. 5:59 PM
Thank you! Thank you! Thank you! I plan on making these for Christmas. I am going to put our first initials on a plain t-shirt with the same fabric. You are saving me a crap-ton of money!!!!!
jruggles says: Sep 14, 2011. 7:35 AM
Oh man - I love you and I don't even know you! This tutorial is perfect for my needs and clear to understand. Plus, you are hilarious! Thanks!
lmohamedi says: Aug 3, 2011. 8:35 AM
jus made ma sista a pair and it luks wickid i want to sew the pyjama top now buh where to find it )
mdillingham says: Jun 19, 2011. 9:12 PM
This is an excellent tutorial. Made several pairs and they all turned out well! Thank you!
knksews says: Jun 13, 2011. 11:48 PM
Thank you!! After reading several pj pant descriptions on-line I came to this one and wow, it doesn't get any better. These directions work! So often I try a store bought pattern and it comes out so badly fitting (usually too tight) that I give up frustrated and sad a nice piece of fabric I was excited about went to waste. I have many of those sitting as scraps in my sewing box. But with your instructions I made a pair of perfectly fitting pj shorts in about 1 hour! I just followed the instructions but traced a pair of pj shorts rather than long pants. Thank you so much for posting. If you have directions for any other sewing projects please share!
keldridge1 says: Jun 12, 2011. 12:44 PM
Thanks for the tutorial and for the great ideas! I started this morning and few hours later I had perfectly fitting pj bottoms and a matching tunic top! I used an old sheet with a paisley pattern.
thanks again!
compwalla (author) in reply to keldridge1Jun 12, 2011. 1:06 PM
Sweet! I'm glad they turned out well. :)
blueyedkitty04 says: Jan 7, 2011. 3:43 AM
Well put together, hilarious instructable! Thanks again! I'll definitely be bookmarking and sharing it!

~M~
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