WOMEN'S SIZE BUST (in)
XS 2 32-34
SM 4/6 35-36
MD 8/10 37-38
LG 12/14 39-41
XL 16/18 42-44
2XL 20/22 45-47
3XL 24/26 48-51
4XL 28/30 52-55

 

With arms down at sides, measure around the upper body, under arms and around the fullest part of the bust.