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How to Add Bra Cups to a Swimsuit

How to add bra cups to a swimsuit - a video tutorial from Skirt Fixation

Today’s post is all about bra cups.  Grab your copy of the Grace Tankini here.

The Grace Tankini has a shelf bra in both views.  Adding bra cups to the shelf bra gives more stability and support as well as modesty when wet.  First let’s talk about bra cups.

How to add bra cups to a swimsuit - a video tutorial from Skirt Fixation

Bra cups for swimwear come in all different types!  There are several different shapes including inverted u-shape, oval or teardrop.  There are as many different cup sizes as there are for regular bras, but A-DD are the most common.  Swimwear bra cups can be found in a molded poly foam or gel filled, both with a knit covering.  Also, bra cups can be found in white, black, or nude.  Bra cups with enhancing (push up) features can also be purchased.

In choosing what bra cups to use, you should look for a shape and size that matches your bust size and swim fabric.  Be sure the bra cups you purchase include the words “for swimwear” so you can be sure they will not retain water or be damaged by chlorine.

Where to Source Bra Cups for Swimwear

You can purchase bra cups online or in your local sewing store.  As of this post, bra cups cost between $6 and $15.  Some online sources include:

How to add bra cups to a swimsuit - a video tutorial from Skirt Fixation

JoAnn Fabrics Dritz Molded Foam Bra Cups


Sew Sassy

Another tried and true method of sourcing bra cups for swimwear is to harvest them from an old or thrift store swimsuit!  They are much cheaper, and in season you can often buy a suit from the thrift store for a dollar or two.  If you source your bra cups from a swimsuit, you can be assured they are intended for swimwear and will hold up to chlorine and not retain water.

How to Add Bra Cups to a Swimsuit

Sewing bra cups in to the Grace Tankini (or any shelf bra swimsuit) is easy and rewarding.  Watch our video below to watch us sew bra cups into the Grace Tankini and listen for all our little tips along the way!

If you’re looking for more support than a shelf bra with sewn in bra cups offers, try this tutorial from Cashmerette.

Also, watch for a tutorial on how to make your bra cups removable, which is useful if you’ve purchased special/expensive inserts (i.e. mastectomy prosthesis) you want to use in several different suits.

Leave us your thoughts about bra cups in the comments below.

Grab your copy of the Grace Tankini here.

Affiliate links are used in this post.  If you click one of our affiliate links, we may make a few pennies at no extra cost to you.  We only like to really great produce we love and recommend!

3 thoughts on “How to Add Bra Cups to a Swimsuit

  1. Wow. This is really helpful Audrey! Great video, easy to understand & follow along. AND I especially liked Aria’s playing in the background, it made the stress of the 1st attempt of sewing seem so much easier to accomplish!

    1. You’d be interested to know that Thomas is our videographer!

  2. Thank you so much! Nowhere near as hard as I thought it would be.

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