For the next two sleep sacks I used Kwik Sew pattern 3089 again and used a cotton knit for one and a cotton woven for the other. I wanted to change the style of these sacks so they didn’t need a zipper and opened at the bottom for easy diaper changing. So I redesigned the pattern that I used in making both sacks. Using a ruler, I made the front and back pattern side pieces straight instead of curved by lining the ruler up with the curved side edge and drawing a line until it met up with the extended bottom edge line. The back piece was cut on the fold, the front piece as well eliminating the front seam. (we’re not using a zipper). The shoulder straps were extended by 1/2 inch on both pieces so there was extra fabric to turn under for a sturdier foundation to attach the snaps or buttons on the knit sack.
On the cotton knit sack, the armhole and neck edges were finished by folding over 1/4 inch and top stitching them, no other treatment needed as it is a knit. The shoulder straps were turned over 3/4 inch and sewn in place. The side seams were sewn together. I attached the snaps two different ways, either way they were attached in the 3/4 inch space, see the photos below. Buttonholes are an option but buttons must be securely attached. Velcro would not hold in place with an active baby. The cotton knit I used wasn’t too stretchy, if you’re using one that is I would suggest cutting the front neckline a little higher so it doesn’t slip over baby’s face. Here’s another sample from a blog I ran across that might give you some ideas as well.
The second sack was made from a cotton woven fabric with a partial lining on the bodice only. I used the redesigned pattern pieces but I did not add the 1/2 inch to the shoulder front piece, just folded that shoulder piece back 1/2 inch. The back shoulder piece overlaps the front piece.
Using your front and back pattern pieces trace out your new lining pieces, stopping about an inch or so below the armholes (no need to line bottom of sack, we do not want to overheat the babies). Using these pieces, cut out your lining, again placing the front piece on the fold, finish the bottom of the lining with a narrow hem, serge or zigzag, place right sides of the lining and the sack together and stitch 1/4 inch around neckline, straps, and armholes. Open out your bodice lining and sew one long side seam right sides together on both sides of the sack. Clip curves and points on straps, turn right side out, press and top stitch 1/4 inch from edges of the top. This link is a tutorial of lining a bodice, I did mine a little differently but results are the same. Attach the snaps or use buttons and buttonholes.
Next blog, different ways to finish the bottom of your sleep sack.