I know there are tons of sewing tutorials about how to install elastic, but figured out a way that I love. It’s very similar to installing elastic on swimsuits. (Maybe that’s why I love this so much, because I LOVE making swimsuits!) I thought if I loved this method so much, there might be someone out there that can benefit too!

How To Install Elastic In Flat Front Pants

Supplies
A half-finished pair of pants/shorts/skirt
Elastic
Sewing supplies*

1. Finish the top edge of your pants, either serge, zigzag, or fold over.
2. Try the half-finished pants onto you or your child. Fit the front part of the pants snugly and then measure the distance needed around the back. My son’s is 6″.
3. Add 1/2″ to the measurement and cut that from elastic. Wider elastic is better to use.
4. Sew the elastic ends at the side seams. It’s alright if stitching shows because it will be folded over.

How To Install Elastic In Flat Front Pants

5. Find the center of the elastic and pin it to the center back of the pants.
6. Stretch and pin until the elastic is distributed evenly across the back.
7. Sew down the center of the elastic with either a serpentine or a zigzag stitch from side seam to side seam stretching as you go. Don’t worry, this stitch will only be seen on the inside of the pants.

How To Install Elastic In Flat Front Pants

8. Fold the waist of the pants down encasing it in the elastic between the layers of fabric. Pin at center back and side seams. Distribute elastic evenly across the back.
9. Sew all the way around the waistband 1/8″ from the elastic. (My elastic was 1″, so I sewed 1 1/8″ around the waistband.) You will have to stretch the back as you sew. Feel free to add multiple lines of stitching on the back over the elastic; I find this gives a great manufactured look.

How To Install Elastic In Flat Front Pants

How do you like installing elastic?

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Author: Heather Handmade

I'm a seamstress and mother. I sew, blog, thrift, upcycle, design fabric, and teach sewing classes. I'm also a self-proclaimed fabric fondler.

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3 thoughts on “How To Install Elastic In Flat Front Pants

  1. I really like this tutorial – thanks for sharing it. 🙂
    I have usually tended to make a casing and thread the elastic through it. quick and easy, but it isn't always the best way and I am sometimes unhappy with the finish. I think I will put in the extra time to achieve the better finish and do this way.

    Posted on January 1, 2014 at 3:32 am
  2. That looks really easy! Thanks for sharing this technique! 🙂 Lisa

    Posted on June 25, 2013 at 1:54 pm
  3. thanks for sharing

    Posted on May 11, 2013 at 2:50 am