Ifyou're not sure which size to choose, westrongly recommend going a size up. If you are between sizes, this is thebest way to guarantee a great fit!
Measure the circumference of your hips. Start at one hip and wrap the tape measure around your rear, around the other hip, and back to where you started. Make sure the tape is over the largest part of your buttocks.
Use the tape to circle yourwaist (sort of like a belt would) at your natural waistline, which is located above your belly button and below your rib cage. (If you bend to the side, the crease that forms is your natural waistline.) Don't suck in your stomach, or you'll get a falsemeasurement.