Start by putting on your 'everyday' bra. Make sure it does not have any padding in it. You want your shape to be natural, not enhanced, so that you can truly find your actual size.
1. MEASURE YOUR BAND SIZE:
Using a tape measure, measure underneath your arms, across your back and top portion of your chest. Enter this number in the measurement #1 field.
2. MEASURE YOUR CUP SIZE:
Take the tape measure and loosely measure yourself around the fullest area of your bust. Enter this number in the measurement #2 field.