Tight hurts. Loose bounces.
Tight enough to stop the bounce is tight enough to leave marks. Loose enough to breathe is loose enough to move. Every bra you own sits somewhere on that line.
A properly fitted $80 bra still gave her no support. The size was never the problem.
Your size
One measurement. Ten seconds.
Tape snug around your ribcage, right under your bust. That is the only number.
See the full chart
| Size | Overband | Underband | Cup |
|---|---|---|---|
| XS | 33-34 in | 27-28 in | A-D |
| S | 35-36 in | 29-30 in | B-DD |
| M | 37-39 in | 31-33 in | C-DDD |
| L | 40-42 in | 34-36 in | C-F |
| XL | 43-46 in | 37-40 in | D-G |
| XXL | 47-49 in | 41-44 in | D-H |
What changes
There is no cup to fit.
A band that goes over the bra you already own, holding from above and below. Nothing crushes your ribs.
Goes over what you own
Sports bra, tank, t-shirt.
One number, not two
No cup to size. Just your underband.
Between sizes? Size up
The closure tightens down. A small band cannot.
Nothing has to fit your bust. Nothing is holding it.
Shop Unbounced — $39Sixty days to be wrong.
Wear it. Run in it. Sweat in it. Wrong size, free exchange. Does not hold, full refund.