Bra Strap Tutorial, Easier Than You Think

This bra strap tutorial will be useful for a few of our past and future patterns.  So, I do not want to repeat myself and will be referring back to this tutorial for a few more patterns since the season of parties is just about to start.

Bra straps can be in many widths.  The most important detail is to match the width of the slider and ring with the elastic.

This bra strap tutorial is one of the tutorials that you will need to finish the camisole top that I shared with you last week.

Anatomy of a Bra Strap

Bra Strap Tutorial

The slider: The slider has two holes and a bridge.

The ring:  The ring can be oval or round and it is used to attach the strap to the back of the bra.


  • Two Sliders
  • Two Rings
  • 42″ of bra elastic or a strap in the width of the slider and the ring


Sewing machine or a hand needle.

How to Assemble a Bra Strap

Cut the elastic in half making two strips of 21″ each.

Cut 2.5″ off from each strip, leaving the longer strip at 18.5″ and the shorter one 2.5″.

Insert the elastic under the first hole

Over the bridge through the other hole.

Sew using a small zigzag

Thread the ring and pass the end of the strap under the first hole making sure the other end of the strap with the slider is facing down.

Pass the strap over the bridge and through the other hole. Thread the small piece of the strap you cut earlier through the ring.   This end will be sewed to the back.  This part back trap can also be replaced by a strap made with the same material of the top you are making or a ribbon.   The other end will be sewn to the front of the top or a bra.

Where to use this bra strap tutorial?

My favorite place is for silk camisoles and bralettes. Following are some more patterns where you will need this tutorial.  As always if you need any clarification, have comments, or have any tip to add to this tutorial, please leave them in the comments section below.  Until next time, happy sewing!

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Bertha Genaille
Bertha Genaille

These patterns are great for women with very small breast, but not much good for a woman with a DD breast, a very short body length and underarm bulk….every bra I buy I have to alter to fit from the shoulder to the ribs or my breasts sag and the bottom of the bra folds under.

Spending Jenny
Spending Jenny

I have sloped shoulders and am always having to pull my straps up. Is there anyway to address this issue? I feel that I spend half my life yanking up bra straps!!

Thanks for all your patterns!!

Karen D
Karen D

Thanks for the tutorial, Mayra. May I suggest that before explaining how to thread the elastic, you tell us to set aside the short piece of elastic for later? Or perhaps that first sentence could read, “Insert the longer piece of elastic under the first hole”?

Also, toward the end of your article, a sentence begins with, “This part back trap”; I think you meant to say, “This part of the back strap”?

I enjoy your newsletters and articles very much; you’re doing a wonderful job!!

Ailis Aghnara
Ailis Aghnara

Thanks so much for the tutorials and Free patterns. can’t wait to try them.


This is wonderful, quick to follow.
Thank you, I will make to match my over size dresses.

Joyce Walter
Joyce Walter

When you pass the backpiece of elastic in the slider, It looks like it comes out on top of the front elastic. Do you stitch it there on top of the front piece?


great tutorial. I would love to see an addition of adding some anti-slip to the strap for those with slippery shoulders.

barbara trevouledes
barbara trevouledes

Wow! I literally just threw out a perfectly good bra today because the elastic in the strap broke. I’m going to retrieve it from the trash and fix it with your tutorial. Thank you!