Measurement (In Inches) Size XS Size S Size M Size L
PTP 15.0" 16.0" 17.0" 18.0"
Waist 12.5" 13.5" 14.5" 15.5"
Hip 17.0" 18.0" 19.0" 20.0"
Length 28.0" 28.5" 29.0" 29.5"
Model is 163cm, UK 4 and she is wearing XS.