To get the right size of cloak, measure your daughter in inches from shoulder down to just above the ankle. This is the size you should buy. There is tolerance...
Size
Waist in inches
XXS/XS
24/26"
S/M
28/30"
L/XL
32/34"
XXL/3XL
36/38"
Squat-proof.
High waisted with deep waistband.
Media pocket on left side panel