The Phia Pant is meant to be worn very fitted

Size
(UK)
Waist
(inches)
Hip 
(inches) 
Thigh 
(inches)
Inseam 
(inches) 
6 28 33 20.375 31.5
8 29 34 21 32.5
10 30 35 21.625 32.5
12 31 36 22.25 32.5
14 32 37 22.875 33

 

All measurements represent the garment measurements. Waist on the Phia Pant sits about 1 inch below belly button.