Bottom, fleece, top down.
Second layer, PUL colored side up.
Third layer, PUL colored side Down.
Fourth layer fleece, top side up.
Mine have little patches sewed on, so make sure if you are going to do this you put the patch on the top side of each glove (pay attention to which way the thumbs are facing.)
http://www.lemonsqueezyhome.com/2010/12/long-mittens-tutorial.html