[header] How to make a snuggie [title] Get some soft, fleece fabric. [step] The benefit of fleece is that it does not need to be hemmed. If you do want to hem it, however, you'll need to use a stitch meant for stretchy fabrics, such as a narrow zigzag stitch. 
[substeps] If you must use a straight stitch, use a longer, basting length one. [title] Cut about 3 yards of soft, fleece fabric.