Measurement (In Inches) Size XS Size S Size M Size L
PTP  14.5" - 15.0" 15.5" - 16.0" 16.5" - 17.0" 17.5" - 18.0"
Waist 12.0" - 12.5" 13.0" - 13.5" 14.0" - 14.5" 15.0" - 15.5"
Length   (with strap) 46.5"
47.0" 47.5" 48.0"

 

Sizing Reference:
- Clara 154cm (14.5" PTP, 11.5" Waist, 16.5" Hip) wears Size XS
- Jennifer 160cm (16.5" PTP, 14.0" Waist, 18.5" Hip) wears Size M

*Size up if you prefer a loose fit*