Let’s face it. Most kids have no butt and no hips, their waist just goes straight down to their legs with nothing to hold the pants up.
Notice gaping in the back
I could never get my children to wear a belt. I think that it was too difficult for them to unbuckle & buckle for bathroom breaks when they were younger. If I was lucky I would find the more expensive pants, jeans and slacks that come with that nifty button and tape arrangement so I could adjust the size of the waistline. Notice the operative word there is “expensive”.
So what to do if you can’t find the pants you want with an adjustable waist? Or you are using hand me downs and thrift store pants? Never fear~there is a frugal retrofit option!
In this tutorial I’ll show you a quick and easy way to fix the problem~you don’t even need to know how to sew. All you need is a nifty product called Buttonhole Elastic and you can add your own adjustable waistline to any pair of pants.
3/4 inch Button Hole Elastic
The holes are prespaced & cut.
I was not able to find buttonhole elastic in my local fabric and craft stores. That left me with two options.
1. Using your sewing machine and buttonhole foot, sew your own buttonholes into regular elastic tape. Note: Do not just cut slits, they will unravel the elastic. You need a sewn buttonhole.
2. Purchase buttonhole elastic online.
I went with option 2. An internet search turned up both elastic by the foot and in 30 yrd spools. Make sure you comparison shop-3/4″ buttonhole elastic spools ran anywhere from $52 to $14. For the same exact thing. With shipping etc I spent about $20-but that should do about 30 pairs of kids pants. I also let my friends know I have the elastic and that I’d be willing to sell them a yrd at a time at my cost.
Now on to the tutorial!
Altering Pants to Add An
Adjustable Waist
Materials:
Missing item: Fray Check
Buttonhole elastic
2 buttons
needle & thread
Seam Ripper
Scissors
Safety Pin
Optional but recommended: Fray Check
Instructions:
1. Check to ensure that your waistband is not sewn through anywhere along it’s length. It should be a casing or tube all the way around that you can feed the elastic through. 99.9% of pants are constructed this way. If yours aren’t~well, you are stuck & can’t use this technique.
See-the waistband is really a tube!
2. Carefully use the seam ripper to cut a slit about 1 1/2″ to 2″ to either side of the zipper on the INSIDE of the waistband. Do not cut through any stitching.
Cut carefully-you can't undo this!
3. Sew a button directly in front of the slit (closest to the zipper opening) on the inside of the waistband. Choose a button that fits easily in the slot of your buttonhole elastic. The color doesn’t matter-no one will see it. Take extra care that you do not sew all the way through the waistband-you don’t want to see the stitching on the outside. I slid my scissors into the slit (closed) to make sure I didn’t accidentally sew all the way through.
Finished slit
Tada!
4. Cut a piece of buttonhole elastic that just fits comfortably, without stretching, around the waist of the person who will be wearing the pants.
5. Finish both ends of the elastic so it doesn’t unravel. You can either fold over a very small piece and sew it down or you can just use Fray Check. I did neither on my first pair of pants and after 3 or 4 washings the elastic unraveled and I had to use a new piece. Learn from my mistake!
6. Slip the elastic over one of the buttons. Then attach a safety pin to the unsecured side. Make sure the pin is a size that will fit easily through the waistband casing.
All ready to go.
7. Thread the elastic through the waistband casing & secure on the far button.
All threaded through. I adjusted the tape later so it was centered.
8. Wear and enjoy!
Much better.
I’ve fixed quite a few pairs of pants for the kids this way. I’m even considering using the technique on some of my jeans that ALWAYS gap at the back, even though they fit perfectly everywhere else.
Good luck and happy altering!
{ 24 comments… read them below or add one }
Another option is to use Dapper Snappers. This way, you don’t have to cut or sew anything and it can be used on all your pants.
Sarah-I had never seen the dapper snapper before-that looks like a great option for small children. However my 4th grader (who is the one shown in the pictures) would not wear something like that-far too uncool. In her case the hidden button tape is the best bet
What an awesome post! I’ve been needing just thins piece of advice. Thanks for taking time to teach us step-by-step with pictures!
This is great!! Thanks!
The picture of your pincushion made me smile – it looks just like mine with the whole assortment of different size pins all stuck in there! Thanks for sharing this helpful tip, and the pincushion picture
i JUST said, seriously, I wish i knew how to add these to pants that didn’t come with them! yay! you’re my hero!
I often do this with regular elastic. I just cut slits in it for the buttonholes. It works really well and has held up for years.
Hi there,
Hello, I just wanted to take a minute to tell you that you have a great site! Keep up the good work.
how wonderful!!!!! my daughter and neice always have this problem with their pants!! actually when i was in high school i had this problem too and had to put sewing darts in my pants but this would have been nice!!
I’m so glad you found it helpful!
I am sewing some easy on elastic waist outfits for my 95 year old aunt. I wanted to use the button hole elastic to make them adjustable, but could not find any in my area. So I cut two 4 inch strips of ultra suede the width of the elastic. I cut slits in the ultra suede for the button holes and securely stitched the strips onto the ends of the elastic. Viola! Button hole elastic! The ultra suede doesn’t tear, so no need to button hole stitch or bind the slits. Plus it is soft and more gentle against her skin than the elastic.
What a great idea Deb! I love when folks come up with creative ways to solve a problem with things they have on hand. Now I feel a bit less thrifty for having bought the button hole elastic
I have done something like this for years with pants for kids. EXCEPT I do not bother with the button hole elastic. I just add elastic to the back of the pants and sew it in place on the sides. I take the side seam apart; slip in the elastic, and resew the side seam.
I had never heard of buttonhole elastic or dapper snappers (too bad those go on the outside). Unless they have elastic in the waist, every pair of pants I try on gaps in the back. I have one pair in the back of the closet that I mail-ordered and couldn’t return (dumb dumb dumb). Thank you so much, I can’t wait to try this! Amazon has the BH elastic.
Chris-so glad to have introduced you to something that will help you out! Just make sure to either use fray check or else turn a small hem under and stitch down the cut ends of the elastic. Otherwise it WILL unravel (as one pair did for Princess when I was lazy and just left it)
THANK YOU! I have a child with sensory processing disorder and he HATES belts! I have an older son who’s clothes I pass down, but some don’t have the elastic waist. This is perfect! Thank you for saving me about 300 hundred dollars a yr on new pants for him!!!
Bre-I’m so glad that this will help you! Just remember to do something with the ends of the elastic so it doesn’t unravel-my first ones came all apart and then the subsequent ones where I just folded over a bit and stitched it down or used fray check did fine!
This is a wonderful tip, Thank You for sharing! I am losing weight (inches at the moment) your idea is a terrific alternative to pinning my pants waists. It will also permit me to keep wearing my favorite slacks and skirts until I’ve lost enough inches in my waist line to purchase smaller slacks.
Hi, I was wondering if this can be done to pants that already have an elastic waistband? If so, how?
Well, since the elastic waistband that is currently in the pants is in a casing all the way around, I would think that you could carefully cut the slits and side the elastic through. I don’t think I’d want to remove the elastic that was already inside–it might make the front lay strangely.
I didn’t know I could get the elastic with button holes in. You just changed my life! ;D
I know, how awesome is it???
Thanks, this is exactly what I was looking for! My 2 year old is super tall and thin and all the new children’s pants only come with decorative drawstrings so this means he’ll finally be able to fit pants that aren’t too short!
Great Susan! Just make sure you do something to finish the edge of the elastic (either fraycheck or make a small hem) or it will unravel in the wash. Ask me how I know this. . .
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