Make sure you are not wearing a padded bra or other bulky material. This will ensure an accurate, comfortable fit. Correctly fitted straps will not cut into your shoulder blades; if they do, try a bigger size. Correctly fitted straps will not fall down; if they do, try a smaller size. The swimsuit band should sit lower on your back then in the front. (Swimsuit bandwidth does not apply to tankini swimwear).

Bust
With arms relaxed at your sides, place the tape measure under your arms and wrap it around the fullest part of your bust line and across your shoulder blades.

Waist
Wrap the tape measure around the narrowest part of your natural waistline.

Hips
Wrap the tape measure around the fullest part of your hip, before the thigh begins to narrow.