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T-Shirt Bras

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Soft Stretch Bralette Marine Blue
Soft Stretch Bralette Marine Blue

Soft Stretch Bralette Marine Blue

$89.95
Front view of Simone Perele Delice Strapless Bra in Blush from The Foundation – microfibre finish with seamless cups and tulle embroidery
 
Front view of Simone Perele Delice Strapless Bra in Blush from The Foundation – microfibre finish with seamless cups and tulle embroidery
Back view of blush strapless bra by Simone Perele – smooth silhouette with adjustable, removable straps

Delice Strapless Bra Blush

$159.95
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Soft Stretch Bralette Animal
Soft Stretch Bralette Animal

Soft Stretch Bralette Animal

$89.95
Model wearing Marie Jo Avero Padded Heart Shape Bra Scarlet with denim jacket showing heart-shaped cups and signature red check.
 
Model wearing Marie Jo Avero Padded Heart Shape Bra Scarlet with denim jacket showing heart-shaped cups and signature red check.
Close up of Marie Jo Avero Padded Heart Shape Bra Scarlet highlighting sleek check fabric and romantic daisy straps.

Avero Padded Heart Shape Bra Scarlet

$167.00
Chantelle Pulp Lush Plunge T-Shirt Bra in Black/Soft Pink, graphic floral lace, blush lining, supportive spacer foam cups.
 
Chantelle Pulp Lush Plunge T-Shirt Bra in Black/Soft Pink, graphic floral lace, blush lining, supportive spacer foam cups.
Front detail of Chantelle Lush Plunge T-Shirt Bra Black/Soft Pink, bold graphic lace, blush lining, supportive full cup.

Lush Plunge T-Shirt Bra Black/Soft Pink

$129.00
Model in Chantelle Hedona Minimiser Bra Nude, front view showing seamless cups and natural rounded shape, comfort bra from The Foundation.
 
Model in Chantelle Hedona Minimiser Bra Nude, front view showing seamless cups and natural rounded shape, comfort bra from The Foundation.
Close-up of Chantelle Hedona Minimiser Bra Nude, focusing on smooth full-coverage cups and underwire detail, available at The Foundation.

Hedona Minimiser Bra Nude

$139.00
Model wearing the Amourette Charm Maxi 02 Brief Rust from The Foundation – flattering front view with soft floral lace and tummy-smoothing design.
 
Model wearing the Amourette Charm Maxi 02 Brief Rust from The Foundation – flattering front view with soft floral lace and tummy-smoothing design.
Flat lay of Triumph’s Amourette Charm Maxi 02 Brief Rust available at The Foundation – high-cut, sculpting design with delicate tulle and lace.

Susa Wirefree Cotton Comfort Bra White

$114.95
Front view of Triumph Endless Comfort Wirefree Bra in Fresh Powder with soft full cups and wide straps—available now at The Foundation.
 
Front view of Triumph Endless Comfort Wirefree Bra in Fresh Powder with soft full cups and wide straps—available now at The Foundation.
Side view of Endless Comfort Bra by Triumph in Fresh Powder showing smooth finish and wire-free structure—shop at The Foundation.

Endless Comfort Wirefree Bra Fresh Powder

$69.95
Front view of the Nizza Wirefree Minimizer Cotton Bra in Sand– soft cotton-rich wireless design for all-day comfort.
 
Front view of the Nizza Wirefree Minimizer Cotton Bra in Sand– soft cotton-rich wireless design for all-day comfort.
Nizza Cotton Wirefree Minimizer Bra in Sand – seamless, non-wired support with sustainable lace flat lay

Nizza Wirefree Minimizer Cotton Bra Sand

$114.95
Model lounging in Ana Plunge Bra Vintage, showing elegant lace and bead detail.
 
Model lounging in Ana Plunge Bra Vintage, showing elegant lace and bead detail.
Front view of Ana Plunge Bra Vintage worn by model, highlighting feminine stretch lace and satin bow.

Ana Plunge Bra Vintage

$99.95
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Andora 3D Contour Bra Blush
Andora 3D Contour Bra Blush

Andora 3D Contour Bra Blush

$159.95
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Sophia Spacer T-Shirt Bra with J-Hook Soft Pink
Sophia Spacer T-Shirt Bra with J-Hook Soft Pink

Sophia Spacer T-Shirt Bra with J-Hook Soft Pink

$124.95
Front view of Triumph Gorgeous T-Shirt Bra in Teint with seamless padded cups—everyday essential at The Foundation.
 
Front view of Triumph Gorgeous T-Shirt Bra in Teint with seamless padded cups—everyday essential at The Foundation.
Back view of the Teint Gorgeous T-Shirt Bra by Triumph, showing soft hook-and-eye closure—shop at The Foundation.

Gorgeous TShirt Bra Teint

$54.95
Front view of the Norah Covering Moulded Bra in Golden Cosmo from The Foundation—supportive and smoothing with French floral lace.
 
Front view of the Norah Covering Moulded Bra in Golden Cosmo from The Foundation—supportive and smoothing with French floral lace.
Close up of Norah Moulded Bra in Golden Cosmo by The Foundation—showcasing mesh top line and stretch lace pattern.

Norah Covering Moulded Bra Cosmo

$119.00
The Foundation’s Chantelle Basic Invisible Memory Bra in Black—featuring a smooth, moulded cup for everyday support.
 
The Foundation’s Chantelle Basic Invisible Memory Bra in Black—featuring a smooth, moulded cup for everyday support.
Back view of the Basic Invisible Bra from The Foundation, showing adjustable straps and seamless finish in timeless black.

Basic Invisible Covering Memory Bra Black

$129.00
Close-up of Calvin Klein Perfectly Fit T-Shirt Bra Bare in nude, featuring seamless moulded cups, adjustable straps, and underwire support.
 
Close-up of Calvin Klein Perfectly Fit T-Shirt Bra Bare in nude, featuring seamless moulded cups, adjustable straps, and underwire support.
Model wearing Calvin Klein Perfectly Fit T-Shirt Bra Bare, a smooth nude bra with supportive underwire and microfibre fabric.

Perfectly Fit Lightly Lined T-Shirt Bra Bare

$99.95
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Back Appeal Soft Cup T-Shirt Bra Rose Dust
Model wearing Wacoal Back Appeal Bra in Rose Dust – smoothing back design – The Foundation

Back Appeal Soft Cup T-Shirt Bra Rose Dust

$104.95
Woman wearing Halo Lace Underwire Bra in ivory with floral lace detail—The Foundation
 
Woman wearing Halo Lace Underwire Bra in ivory with floral lace detail—The Foundation
Front view of ivory lace underwire bra showcasing supportive cups—The Foundation

Halo Lace Moulded Underwire Bra Ivory

$79.95
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Soft Stretch Padded Top Nymphea Pink
Soft Stretch Padded Top Nymphea Pink

Soft Stretch Padded Top Nymphea Pink

$89.95
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Soft Stretch Padded Top Carbon
Soft Stretch Padded Top Carbon

Soft Stretch Padded Top Carbon

$89.95
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Soft Stretch Padded Top Marine Blue
Soft Stretch Padded Top Marine Blue

Soft Stretch Padded Top Marine Blue

$89.95
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Soft Stretch Padded Top Oriental Green
Soft Stretch Padded Top Oriental Green

Soft Stretch Padded Top Oriental Green

$89.95
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Soft Stretch Bralette Noir
Soft Stretch Bralette Noir

Soft Stretch Bralette Noir

$89.95
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Reve 3D Plunge Contour Bra Sakura Pink
Front view of Reve 3D Plunge Contour Bra Sakura Pink on model, featuring seamless plunge neckline and underwire support

Reve 3D Plunge Contour Bra Sakura Pink

$169.95

A good t-shirt bra is one of those everyday heroes that works quietly behind the scenes. It's your go-to for a smooth, seamless look under clothes—whether you're wearing a tee, blouse, or dress. At The Foundation, we offer a wide range of t-shirt bras from everyday essentials to premium pieces that blend comfort, support and invisible style.

Our collection includes customer favourites from Triumph, Chantelle, Calvin Klein, Empreinte, and more. From lightly padded styles to moulded lace cups that still disappear under clothes, there's something for every preference and outfit. Need help choosing? Pop in for a fitting at our Neutral Bay, Rozelle, or Bowral stores and let us help you find your perfect fit.

FAQs About T-Shirt Bras

1. What is the best colour for a t-shirt bra?

Nude or skin-tone bras are best under light-coloured clothing. Black works well under darker outfits. Fun fact—some shades of red actually disappear under white!

2. Can I wear a lace bra under a t-shirt?

You can, as long as the lace lies flat and your top isn’t too sheer. Styles like the Empreinte Cassiopee offer elegant lace and a smooth finish for invisibility under most fabrics.

3. How do I prevent bra lines from showing under a t-shirt?

Opt for seamless, lightly padded or moulded cups like the Triumph Gorgeous T-Shirt Bra. Make sure you’re in the right size to avoid bulging or digging in.

4. Should I size up or down in a t-shirt bra?

Not all t-shirt bras fit the same. Sizing can vary by brand and style—so it’s worth getting a professional fitting. You might wear two or three different sizes depending on cup shape and depth.

5. How often should I replace my t-shirt bra?

Every 6–12 months, depending on how often you wear it. Rotate your bras, and when your current one starts to feel stretched out or loses support, it’s time for a new one.