Find your perfect ShapeHold size
Tell us your usual bra size or two quick measurements, and we’ll match you to the right tank in seconds.
1Your usual band size
2Your usual cup size
Choose your band and cup size
Measure snugly around your ribcage, just under your bust, then loosely around the fullest part of your bust.
Your recommended size
LSnug, smoothing fit by design. Between sizes? Size up.
Shop size LChoose L in the size menu for each tank.
Match your usual bra size
How to pick your size
Start with your bra size
Your usual band and cup size is the most reliable way to match your tank.
No bra size? Measure
Snugly under your bust, then loosely around the fullest part. We’ll do the math.
Between sizes? Size up
The tank has a snug, smoothing fit, so the bigger size is the more comfortable choice.
Sizing questions
Choose the bigger size. The tank is designed with a snug fit that smooths, so sizing up gives you the most comfortable fit.
Use the “Don’t know your bra size?” option in the size finder above. Measure under your bust and around the fullest part of your bust, and we’ll calculate your size for you.
Go by your bra size — it’s the most reliable match for the built-in cups. If you’re still unsure, size up.
No problem. You have 45 days to exchange your tank for a different size, free of charge.
Ready to find your new favourite tank?
The built-in bra tank designed to replace every bra in your drawer.
Shop the tank