This is a chart-heavy pattern for those who know the basic precepts of mitt making. “Aunt Jean’s Invisible Jog” from The Best of Vogue Knitting Magazine highly recommended. Here’s a link that also explains it: click me.
If you like to match, make a Dotted Arglye Hat to go with these.

Note: I changed the .pdf 10.13.08 @ 6:45PM CST because the thumb was too long. Chart now fixed.