The woman in the picture wears size S and she has the measurements:
Compare your own measurements with the chart to find your size (the measurements are in cm). The shirt is normal in size, but the fit is short and tight.
|S (UK 10)||92-96||71 - 75||-|
|M (UK 12)||97-100||76-80||-|
|L (UK 14)||101-106||81-85||-|
|XL (UK 16)||107-111||86-91||-|
|XXL (UK 18)||112-116||92-95||-|