XS  S  M L
PTP 15" 16" 17" 18"
Waist Flare Flare Flare Flare
Length 18" 18.5" 19" 19.5"

*Model is 1.68m, UK 6 (PTP 15.5", Waist 12.5") and wears size S.

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

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