Met uses the following chart

size chart - woman
International
Size
ITALY (it) Jeansz
Waist in inches
(UK) Bust size
Waist in inches
m
(FR/Eu)
XXS 36 22-23 4 30 32
XS 38 24-25 6 32 34
S 40 26-27 8 34 36
M 42 28-29 10 36 38
L 44 30-31 12 38 40
XL 46 32-33 14 40 42
XXL 48 34-35 16 42 44
size chart - girl
Size / Years International Bust Waist Height Woman
4 XXS 57 55 104  
5       110  
6 XS 62 57 116  
7       122  
8 S 64 60 128  
9       134  
10 M 70 64 140  
11       146  
12 L 76 68 152 24
13       158 25
14 XL 80 72 164 26
15       167 27
16 XXL 84 76 170 28
Metric sizes
inches 22 26 30 32 34 38 40 42 44 46
cm 56 66 76 81 85 97 102 107 112 117