To make sure you got the perfect fit, here is a size guide:
XS
26-28 inches
66-71 cm
S
28-30 inches
71-76 cm
M
30-33 inches
76-84 cm
L
33-35 inches
84-89 cm
XL
35-37 inches
89-94 cm
XXL
37-39 inches
94-99 cm
3XL
39-42 inches
99-107 cm
4XL
42-46 inches
107-117 cm