Mens
XXS
XS
S
M
L
XL
2XL
3XL
4XL
EU
42
44
46
48
50
52
54
56
58
Chest (inch)
32-34
34-36
36-38
38-40
40-42
42-44
44-46
46-48
48-50
Chest (cm)
81-86
86-91
91-97
97-102
102-107
107-112
112-117
117-122
122-127
Using a tape measure, pass it around the body to meet at the centre front. This should be done at the widest part of the chest.