XS  S  M L
Waist 12" 13" 14" 15"
Hip 17.5" 18.5" 19.5" 20.5"
Rise 12.5" 12.5" 12.75" 13"
Length 32.5" 33" 33.5" 34"

*Model is 1.70m, UK 4/6 (Waist 12", Hip 17") and wears size XS.

If you are in between size for PTP/Waist, it is best recommended to size up.

*In between sizes refers to your measurements falling between 2 sizes, example size S & M.