Determining Your Bra Size
While no method of measuring guarantees a perfect fit for everyone the first time, the chart below is a guide to give you a place to begin. Once you know your size, you can order your UnBra, (see below for extra measurements for the Tankini). , or (see below for extra measurements for the Tankini). (see below for extra measurements for the Tankini).
Women Sizes

#1 Measure rib cage (under breasts). This is your bra size, round up to an even number (32, 34, etc.).
#2 Measure fullest part of bust (best with a bra on).
#3 Use the bust (#2) minus rib cage (#1) to find cup size. Support and cup size are determined by #3 Use the bust (#2) minus rib cage (#1) to find cup size. Support and cup size are determined by , be sure to look in the correct column below for the fabric you prefer.
| Bust minus rib cage measurement | Cotton, Cotton/Spandex or Dri-Release® | Velour, Lined Cotton/Spandex or Lined Dri-Release® |
|---|---|---|
| 0 - 1 inch | A | B |
| 1 - 2 inches | B | C |
| 2 - 3 inches | C | D |
| 3 - 5 inches | D | E |
| 5 - 7 inches | E | F |
| 7 - 8.5 inches | F | G |
| 8.5 - 10 inches | G | H |
| 10 - 11.5 inches | H | I |
| 11.5 - 13 inches | I | J |
| 13 - 15.5 inches | J | K |
| 15.5 - 17 inches | K | L |
If the above method yields a result which is much different from what you are used to, order what makes sense to you. We recommend ordering either your current size or a size between what you wear and what you measure.
A is included with each purchase to help you fine-tune your fit. is included with each purchase to help you fine-tune your fit.
Girl Sizes
Girl sizes are based on rib measurement and age. For many, size runs true to age (i.e. 8 year olds wear size 8). Just as with adults, no one measurement guarantees a perfect fit the first time. The chart at right is a good place to start.
| Size | Rib Measurement |
|---|---|
| 4 | 18-20" |
| 6 | 20-22" |
| 8 | 23-25" |
| 10 | 26-28" |
| 12 | 30" |
| 14 | 32" |
How to Measure for your Made-to-Order Tankini

- Determine your bra size.
- Measure from underarm downward for desired side seam length.
- Measure around your body at bottom edge of where tank will fall for hip measurement.