This book is filled with tutorials on some very cute sewing projects including the neck warmer seen here:
I decided to try a few of my own. They recommend to use felted wool from a sweater or fabric. I made some out of fleece I had on hand and from one of my husbands sweaters that had a hole in it.
Here is how I did it:
I hope you make yourself one now. They are super warm and very cute!