xs
It's smaller than S size.
XS
yes.
16 or 18 if size 18 is sold at your store
Usually a youth size 3
Im a 0 or a 1 and an xs or s in shirts.
I would say an XS.
Usually a youth size 3
The size number in youth is two numbers smaller than the size number in women's. Example: Women's size 7 = Youth size 5.
You can view a full US youth sizing chart on tactics.com/info/youth-sizing-charts
In my league (Sierra Youth Football & Cheer): Mighty Mites: pee wee size football Jr Pee Wee: junior size football Pee Wee: junior size football Jr Midget: youth size football Midget: youth size football