Measured across the waistband when laid flat (beneath breasts).
Warning to Spandex/Latex Sensitive Customers - This product does contain Spandex.
Spandex, also known as Lycra, is a synthetic fiber. Spandex can cause allergy, resulting in rashes, redness, itchiness and hives. The chemicals used in the processing of spandex are responsible for allergies. If an individual has spandex allergy, he/she should avoid spandex fabrics and switch to natural fabrics such as cotton. Spandex is used in sock tops, bathing suits, lingerie straps and other elastic clothing.