-old adult or bigger kid pants
(or adult t-shirt. will explain)
-fabric for embellishing bottom
(i used felt)
-spare pair of fitting pj pants to measure by.
Begin by laying out one leg of the pants on a flat surface
lay the existing pants out flat on the fold like this:
Cut out around the pants. I lined up the bottoms of both pair of pants to eliminate some cutting.
If you want to try making them from a t-shirt just follow the same instructions. Place the pants on the fold of the t-shirt under the sleeve and then repeat on the other side of the shirt.