Mostly the patterns are for partial fingers rather than the complete version but there are several patterns out there:
http://www.ravelry.com/patterns/library/fingerless-mittens-with-a-flap
These are all from Ravelry which is free to join.
Mostly the patterns are for partial fingers rather than the complete version but there are several patterns out there:
http://www.ravelry.com/patterns/library/fingerless-mittens-with-a-flap
These are all from Ravelry which is free to join.