Mens
Classic Fit
XS
S
M
L
XL
XXL
Chest (CM)
72-81
83-91
93-102
103-112
113-122
123-132
Slim Fit
77-84
85-91
103-109
110-117
118-124
UK
34
36
38
40
42
44
EU
46
48
50
52
54
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.