Hips - Measure the circumference of your hips. Starting at one hip, measure over the longest part of your buttocks, all the way around to where you started.
Waist - This is the soft area directly above your hipbone, but below your rib cage. Start measuring from your belly button, bringing it the whole way around your body.
Length - This is the total length of the xxx, starting at the waistband, to where the bottom fits around the ankle.