The Vest is worked in one piece including the hood.

You can easily change the sizes.

The pattern is written and includes a chart.

You should know how to crochet :
dc foundation chain, chain, single crochet, double crochet and front post double crochet

In my example I used 1500m 4ply yarn from Woll Troll´s Garnwerkstatt with a crochet hook size 4.
My vest is a size M - L
It looks a little bit tight on the doll, because the doll is a size XL.

Approximately usage :
Xs : 1250m
S-M : 1500m
L : 1750m
XL : 2000m
XXL: 2250m