This is a pattern called “Cirkusvanten” that I made for a Swedish mitten sharing project called “Dela vantar” (sharing mittens)
It´s available in 3 different sizes; woman, kids 4-5 years and kids 2-3 years.

You can read more about the project and find over 100 free mittenpatterns made by Swedish knitters and designers on http://vantar.hemslojdeniskane.se/

The pattern is only available in Swedish.