How to Sew a Built-in Bra

Written by f.r.r. mallory
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Sewing a built-in bra into a garment is easier than it seems. It is important that the fabric of the garment be opaque, otherwise the bra will be visible. You should also closely match the bra to the garment colour; slightly lighter is better than darker. The garment should also be designed with a liner. The liner can be body-coloured. In most cases the bra will attach to the liner to prevent stitching lines on the visible front of the garment.

Skill level:
Moderately Easy

Things you need

  • Bra
  • Bra inserts (optional)
  • Garment
  • Scissors
  • Pins
  • Needle and thread
  • Sewing chalk

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  1. 1

    Select the bra or bra insert you wish to install in the garment. Keep in mind that you can purchase a coloured bra specifically to attach to the garment or you can use flesh- or white-coloured bra inserts that are sold at fabric stores.

  2. 2

    Place the garment on the person who will wear it. Position the bra or bra inserts onto the outside of the garment until they are in the correct position. Mark around the outside of each cup using sewing chalk.

  3. 3

    Lift the outer fabric of the garment. Trim around the cups for pre-made bras using scissors. Place each trimmed cup into position at the marks and pin the bra cups into place on the garment liner. (The pins should point outward for easy adjustment.)

  4. 4

    Take the garment off and put the garment back on. Each time a garment is worn it is in a slightly different spot on the body. Check the appearance of the garment with everything in place. Make any adjustments to bra position.

  5. 5

    Hand sew the bra cups to the lining using a matching colour thread and an overcast stitch.

Tips and warnings

  • Fit the bra carefully before sewing for the best finished appearance and make sure the garment fits well enough for the built-in bra to stay in position.

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