The Camden Onesie - Free Athleisure Sewing Pattern

Posted on January 2, 2023 by Elisabeth Moore

While some people say, “New Year, New You,” I’m more of a “New Year, New Outfit,” kind of gal. For the sewists who don’t want to choose between the two, we’ve got you covered with our Camden Onesie Free Sewing Pattern.  As most of us are coming down from the festivities and getting back into the post-holiday groove, it’s a great project for the new year.  With its quick sewing time and minimal yardage, this garment is easy on your wallet and time.

Purchase Materials Used Below:

Alternative Recommended Fabrics:

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A few notes before getting started:

  • When using a tricot or other knit fabric, I recommend using a walking foot attachment and a stretch stitch. 
  • I chose to self line the bodice for extra support. Instructions for lined and unlined bodice options are included. Although I chose not to, lining the shorts is also an option. If you choose to use a lining, simply double the number of pieces cut. For example: if you want to line the bodice bust, cut 4 front bust pieces instead of 2. Just be aware that the garment will have a more firm, supportive fit. 

How to get started:

1. Fold the straps lengthwise, right sides together.  Sew.

2. Trim the seam allowance, then turn the straps right sides out.

How to sew the shorts:

1. Right sides together, sew the front shorts and the back shorts together at the side seams. Trim the seam allowance.

2. Right sides together, sew the shorts legs together at center seam (down the rise and through the crotch).

3. Hem the shorts ⅝”.  Since this fabric doesn’t fray, I chose to do a single fold here.

How to sew a lined bust bodice:

1. Place a front bust and its corresponding lining piece right sides together. Sandwich a strap between the two layers, aligning its edge with the short edge at the very top.  Sew along the top.  Sew the keyhole edge with a ¼” seam allowance. Trim and clip the seam allowances. Repeat with the other front bust piece.

2. Bring one bust piece right side out, and place it inside the other piece, which should still be inside out. Pin the layers together at the center front as follows: lining to lining, and self to self. Sew around the loop.

3. Place a back bust and its corresponding lining right sides together. Sew at the keyhole, then trim and clip the seam allowance.  Repeat with the other side.

4. Unfold both pieces and place the right sides together. Pin and sew together along the center back. 

5. Unfold the back and pin the straps to its top edge, making sure they don’t get twisted.

6. Place the front bust inside the back, pin along the top edge, then sew.  Turn right side out.

How to sew an unlined bust bodice:

1. Sew the front bust pieces together at the CF, right sides together. 

2. Repeat with the back, sewing the pieces together at the CB. 

3. Pin the front waist to the front bust, right sides together and matching notches.  Sew. 

4. Repeat with the back. 

5. Pin the straps onto the front & back bust, right sides together. Sew.

How to sew the lined waist:

1. Place the front waistband and its lining right sides together, and sew a ¼” seam allowance at the keyhole. Repeat with the back.

2. Sandwich the front bust inside the front waist, right sides together.  Match the notches and sew. Repeat with the back. 

3. Turn both the front and back pieces right sides out.  Right sides facing, pin together and sew up the side seams.  You should now have a single bodice piece.

How to sew the unlined waist:

1. Pin the front waist to the front bust, right sides together.  Match the notches and sew, leaving the keyhole free. 

2. Repeat with the back. 

3. Right sides together, pin the front to the back and sew up the side seams.  You should now have a single bodice piece. 

4. Finish the keyholes by either using a binding strip out of the self and sewing it on, or turn under ¼” and topstitch.

How to finish the onesie:

1. Right sides together, pin the shorts to the bodice, matching notches and side seams.  Sew, then trim the seam allowance.

The Camden Onesie - Free Athleisure Sewing Pattern - Mood Sewciety
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