Measurements are taken from point to point of product. Multiply measurements of bust and waist for circumference. 

Size Bust   Waist Length
XS 15inch | 45.7cm 14inch | 35.6cm 16.5inch | 41.9cm
S 16inch | 40.6cm 15inch | 38.1cm 17inch | 43.2cm
M 17inch | 43.2cm 16inch | 40.6cm 17.5inch | 44.5cm
L 18inch | 45.7cm 17inch | 43.2cm 18inch | 45.7cm
XL 19inch | 48.3cm 18inch | 45.7cm 18.5inch | 47cm