When I finished the last post, I had sewn the side seams of the long pants and was getting ready to sew the side seams in the cropped ones. In the photo below, I've decided to make the finished slits 2" long.
In the next picture, I've sewn the side seam and I'm pressing the side seam and slit at 5/8".
Using the crease just pressed as a guide, I sewed the vertical edge of the hem.
Then, I folded the hems back in place, and a slit is created.
Next, I topstitched around the edge of the slit and sewed in the hems.
Next, the finished pj's!