Vintage little girls cardgian.
Pattern works from newborn to 3-4 years old (oldest size could posssibly fit a slender 5yo to).
Worked from the bottom up, sleeves seperate and joined to work the yoke.
You will need to know:
Knitting in the round
Knit front/back (KFB)
Grafting (for underarms, or 3 needle bindoff)