Please allow for a 1-2cm difference due to measurement deviations.
Size S

B: 72cm

UB: 66cm

UK 8-10 US 6-8
Size M

B: 76cm

UB: 70cm

UK 10-12 US 8-10
Size L

B: 80cm

UB: 74cm

UK 12-14 US 10-12

Size XL

B: 84cm

UB: 78cm

UK 14-16 US 12-14