The model (height 6’2″) is wearing a Large size.
To choose the correct size for you, measure your body as follows:

Size |
Length |
Chest |
Shoulder |
Sleeve Length |
S(38) |
26.5 |
39 |
17 |
7.5 |
M(40) |
27 |
40 |
17.75 |
8 |
L(42) |
28 |
42 |
18.25 |
8.5 |
XL(44) |
28 |
44 |
19 |
9 |
XXL(46) |
28.5 |
46 |
19.5 |
9.5 |