Shapewear size charts:
Xs: underbust 68-70, waist 60-62, hips 88-90
S: underbust 72-74, waist 64-66, hips 92-94
M: underbust 76-78, waist 68-70, hips 96-98
L: underbust 80-82, waist 72-74, hips 100-102
XS: bust 80-82, waist 60-62, hips 88-90
S: bust 84-86, waist 64-66, hips 92-94
M: bust 88-90, waist 68-70, hips 96-98
L: bust 92-94, waist 72-74, hips 100-102