S  M   L
PTP 16.5" 17.5" 18.5"
Waist 14.5" 15.5" 16.5"
Hips flare flare flare
Rise 15.5" 15.75" 16"
Length 31.5" 32" 33"

*Model is 1.68m, UK 6 (PTP15.5", Waist 12.5", Hips 18.5") and wears size S.

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

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