No back bulge or bra lines
Margaret is a size 16D, and wears XL
Margaret is a size 16D, and wears XL
Margaret is a size 16D, and wears XL
Margaret is a size 16D, and wears XL
Margaret is a size 16D, and wears XL
Margaret is a size 16D, and wears XL
Margaret is a size 16D, and wears XL
Margaret is a size 16D, and wears XL
Margaret is a size 16D, and wears XL
Margaret is a size 16D, and wears XL
Margaret is a size 16D, and wears XL
Margaret is a size 16D, and wears XL
Margaret is a size 16D, and wears XL
Margaret is a size 16D, and wears XL
Margaret is a size 16D, and wears XL
No back bulge or bra lines
Padding that stays put — wash after wash
Tucks perfectly into high-waisted bottoms
Buttery-soft fabric that moves with you
More tanks = more savings. Free shipping on all bundles.
Buy 1 Tank
Try it risk-free
30-day comfort guarantee · Free AU shipping
Buy 2 Get 1 FREE
3 tanks total · Free shipping
30-day comfort guarantee · Free AU shipping
Buy 3 Get 2 FREE
5 tanks total · Free shipping
30-day comfort guarantee · Free AU shipping
Most popular: Buy 2 Get 1 Free — save $159.90
✓ 30-Day Perfect Fit Guarantee · Free AU Shipping · Easy Exchanges
We stopped building bras entirely.
Instead of forcing support into two straps and a band, we spread it across the entire tank. No concentrated pressure points. No hardware. No architecture that digs, pinches, or rolls. This isn't shapewear. This isn't compression. This is being gently held and smoothly covered — without a single part of the tank fighting your body.
Three layers working together to replace your bra entirely.
The inner layer provides gentle, even hold across the entire torso. No narrow bands concentrating pressure.
The padding is stitched directly into the garment. It doesn't shift. It doesn't bunch. After 20 washes, it's in the same place.
No underwire. No hooks. Wide shoulder coverage distributes weight evenly so nothing digs into your shoulders.
Not all support is created equal. Here's how Mary's Tanks stacks up against every other bra you've tried.
| Trad Bra | Sports Bra | Shelf Tank | Bralette | Braless | Mary's Tanks | |
|---|---|---|---|---|---|---|
| Comfortable all day | ✗ | ✗ | ✗ | ✓ | ✓ | ✓ |
| Enough support | ✓ | ✓ | ✗ | ✗ | ✗ | ✓ |
| Smooth under clothes | ✗ | ✗ | ✓ | ✗ | ✗ | ✓ |
| Stays put all day | ✗ | ✓ | ✗ | ✗ | ✓ | ✓ |
| No adjusting needed | ✗ | ✓ | ✗ | ✓ | ✓ | ✓ |
| Pads stay after washing | ✓ | ✗ | ✗ | ✗ | ✗ | ✓ |
| Breathable | ✗ | ✗ | ✓ | ✓ | ✓ | ✓ |
| Easy on/off | ✗ | ✗ | ✓ | ✓ | ✓ | ✓ |
| Score | 2/8 | 3/8 | 3/8 | 4/8 | 5/8 | 8/8 |
Finally found a tank that works! No back bulge, no complicated fitting. Just put it on and go. I ordered 3 more the next day.
I wore this for three days straight and forgot I had it on. That's when I knew it was the one. My drawer of underwire bras is officially retired.
The straps stay put all day. No more yanking or adjusting. This is everything I've been looking for.
I'm a DD and I was skeptical, but this genuinely smooths and supports without a single line showing through my white blouse.
I came home from work and realized I hadn't thought about my bra once all day. That has literally never happened to me.
The length is perfect — tucks cleanly into every pair of jeans I own. No muffin top. It actually works.
I bought the 3-pack and it's the best money I've spent on clothing in years. I rotate through them and wear one every single day.
The fabric is unbelievably soft. More comfortable than my pyjamas.
After 40 years of underwire torture, I can't believe something this simple works this well. Wish I'd found these sooner.
Perfect fit guarantee
Join the thousands of women who traded their underwires for all-day comfort. One piece. Zero adjustments. All day smooth.
Everything you need to know before you make the switch.
A premium buttery-soft blend of nylon and spandex. It breathes, stretches, and holds its shape — never pinching or digging. The sewn-in bra padding is stitched directly into the garment so it never shifts, bunches, or falls out.
No. The padding is sewn directly into the tank — it doesn't sit in a pocket. It stays exactly where it's meant to, wash after wash. You'll never have to reach inside and readjust it.
Yes. Mary's Tanks was designed for real women with real bodies. The built-in support panel distributes weight across the full torso. Women from size S through 4XL wear it comfortably every day.
That's exactly what it's designed for. The built-in support panel gives you coverage, smoothing, and gentle hold — without any of the pressure points of a traditional bra. Most customers say they forget they're wearing it within minutes.
We offer Nude specifically for light-coloured tops. It disappears under white, cream, and pastel fabrics. For darker clothing, any of our colours work beautifully.
Machine wash cold on a gentle cycle, lay flat to dry. The fabric and padding hold up beautifully wash after wash. No special care needed — it's built for real life.