bust Measure under your arms, around the fullest part of your chest. low waist Measure around your body approximately 1 1/2" (or 2 fingers) under your navel. hip Measure around the fullest part of your gluteous maximus fit preference As in life, we all prefer things the way we like them. This applies especially to how our clothes fit. The above sizing is a SUGGESTED guide to chosing the right fit. However, if you prefer a looser or snugger fit, order one size up or down.