Size Chart

cm

XS
S
M
L
XL
XXL
Height 171 175 179 183 189 195
Chest 86 91 96 102 112 122
Waist 71 76 81 86 91 96
8
10
12
14
16
18
Bust 80-84 84-87 87-91 91-95 96-100 101-105
Waist 63-68 67-71 71-75 75-79 79-83 84-88
Hips 81-86 86-91 91-96 96-101 101-106 107-111 

In  

XS
S
M
L
XL
XXL
Height 5'6" 5'8" 5'10" 6' 6'2" 6'4"
Chest 34" 36" 38" 40" 44" 48"
Waist 28" 30" 32" 34" 36" 38" 
8
10
12
14
16
18
Bust 32" 34" 36" 38" 40" 42"
Waist 24" 26" 28" 30" 32" 34"
Hips 35" 37" 39" 41" 43" 45" 

Chest: Measure all round your chest just below your armpits.

Waist: Measure round your waistline, where your trousers would button up.

Height: Your natural height.

If you fall between the sizes, go for the larger of the two.