XS Neck girth 22 (8.7), breast girth 26~38 (10.2~15), back length 8 (3.20)
S Neck girth 27 (10.6), breast girth 30~42 (11.7~16.4), back length 9 (3.5)
M Neck girth 33 (13), breast girth 38~52 (15~20.4)), back length 11 (4.3)
L Neck girth 38 (15), breast girth 48~66 (18.9~26), back length 13 (5.1)