Chest Width (A)/Length from Shoulder(B)
Adults
Man
M [48cm/69cm]
L [52cm/71cm]
XL [56cm/73cm]
XXL [60cm/75cm]

Woman
M [39cm/59cm]
L [42cm/61cm]
XL [45cm/63cm]
XXL [48cm/66cm]

Babies & kids
Baby

6M [27cm/31cm]
12M [28,5cm/33cm]
18M [30cm/35cm]
24M [31,5cm/37cm]

Kids
3/4 [32cm/45cm]
5/6 [35cm/49cm]
7/8 [39cm/53cm]
9/10 [43cm/57cm]
11/12 [46cm/61cm]