To find the right size, take your measurements directly on the body, and remember not to pull the tape too tight
If you are hesitating between 2 sizes, we would recommend you go for the larger one which will normally be more satisfactory.
The bust should be mesured horizantally.
The hip should be mesured round the fullest part.
The tight should be mesured round the fullest part.

Size 1 Road 39 = 36-38 (S/M)
Size 2 Road 39 = 40-42 (M/L)
Size Road 39 = 44-46 (L/XL)