Bra Fitting Intimate Wisdom

Do Bra Extenders Work?

bra extenders

We women go through so many physical changes in a lifetime that it’s no wonder our bra size can fluctuate. Sometimes the cup fits just right, but the band on your bra suddenly feels too snug. In this case, many women turn to bra extenders. Bra extenders are just rectangular pieces of fabric that typically hook onto the hook & eye closure of the bra back to extend the length of the band 1-3 inches. During pregnancy, certain times of the month or if you experience a sudden weight gain, you might think a bra extender is the solution.

And yes, these extenders can be a good solution, but should only be a temporary one. Any advantage you gain in band size will be countered by problems with the straps. More than half of the women surveyed in HerRoom’s Know Your Breasts bra finder say they have problems with bra straps slipping off their shoulders. Now what, you’re asking, do bra extenders have to do with bra straps? A bra extender changes the design of the bra, specifically strap placement. Adding a few inches to the back of the bra moves the straps out in the back so they sit closer to the ends of your shoulders. This could lead to a chronic problem with straps slipping.

bra extenders

Same bra, same size. With extender (top) & without extender (bottom)

A good example of the way extenders change the bra design is the leotard back bra. Leotard backs are specifically designed to create the right amount of tension to keep straps at a particular angle. When you add a bra extender, you’re changing that tension and ruining the suspension built into the bra. I liken using bra extenders to walking around with a dress not zipped up all the way: yes, it fits, but it throws off the shoulders and the lines of the dress.

So, the moral of this post is that you should really find your correct band size instead of putting a band-aid (or bra extender) on the problem. Sure, they’ll do the trick for a quick temporary fix, but you’re going to run into other fit issues, like the slipping straps I mentioned above. A quick reminder–when you go up a band size, you need to go down a cup size to maintain the same cup volume. Equally, when you go down a band size, you’ll want to go up a cup size.

You Might Also Like


  • Reply
    January 23, 2014 at 3:44 pm

    You’re right, Tomima.
    Wearing the correct bra size, eliminates the need of using bra “extender’s.

  • Reply
    September 4, 2017 at 11:31 am

    I wear a 42D NOW (was a 38C forever but kids, life, stress etc helped out it packing on the pounds) I have always wore Victoria secret bras but now that I’m at a 42D.. We all know VS doesn’t carry that size or very slim pickings! Yeah Walmart and other store have those sizes. But, they really aren’t known to be on the sexy/cute factor. So, I used the extender a few years back when I was losing weight. Now, gaining it back because of medical issues and treatments I need to purchase some more for a bigger bra size (sigh). My only issue is finding the right size bra to use with them. Since 42D is not a go, I would most likely go down a size that I know VS would carry… That size is??? lol.. that’s my man issue lol. Wish me luck

    • Reply
      September 12, 2017 at 11:35 am

      Hi RoxAnn, take a look at my page here on the Universal Cup Sizing system. So many bras on HerRoom are available within this sizing system. Perhaps you might find a bra on that’s not by VS, but provides excellent support, fun styles and creates an amazing silhouette with the beauty of your current bra size.

    Leave a Reply

    Time limit is exhausted. Please reload the CAPTCHA.