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T-Shirt Bras

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Front view of Chantelle C Magnifique Non Wire Bra in Black, featuring full coverage floral jacquard knit cups.
 
Front view of Chantelle C Magnifique Non Wire Bra in Black, featuring full coverage floral jacquard knit cups.
Side profile of C Magnifique Black wireless bra showing smooth silhouette and lightly padded adjustable straps.
side view of the Pila Spacer Bra in Love Pink/Peach featuring soft tulle and full coverage – The Foundation.
 
side view of the Pila Spacer Bra in Love Pink/Peach featuring soft tulle and full coverage – The Foundation.
front view of Model wearing the Pila Spacer Bra in Love Pink/Peach, showcasing a full-coverage, breathable fit – The Foundation.
Save up to 30%
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Sophia Spacer T-Shirt Bra with J-Hook Soft Pink
Sophia Spacer T-Shirt Bra with J-Hook Soft Pink
Model wearing the Pila Covering Spacer Bra in Sailing Blue, showcasing its smooth 3D cups and clean neckline for a t-shirt-ready finish.
 
Model wearing the Pila Covering Spacer Bra in Sailing Blue, showcasing its smooth 3D cups and clean neckline for a t-shirt-ready finish.
Side profile highlighting the sheer tulle overlay on the molded spacer cups, offering a stylish and breathable layering effect.
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.
Model wearing Calvin Klein Perfectly Fit T-Shirt Bra Black, a seamless underwire bra with soft moulded cups, adjustable straps, and smooth finish.
 
Model wearing Calvin Klein Perfectly Fit T-Shirt Bra Black, a seamless underwire bra with soft moulded cups, adjustable straps, and smooth finish.
Back view of model in Calvin Klein Perfectly Fit T-Shirt Bra Black, showing adjustable straps and logo detail on the band.
Front view of Marie Jo Tom Padded Balcony Convertible Bra in Charcoal, showcasing elegant lift and convertible strap design.
 
Front view of Marie Jo Tom Padded Balcony Convertible Bra in Charcoal, showcasing elegant lift and convertible strap design.
Side angle of Tom Balcony Bra Charcoal, highlighting padded cups and underwire fit for natural cleavage.
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Jane Padded Heart Shape Bra Natural
Front view of Marie Jo Jane Padded Heart Shape Bra in Natural – The Foundation
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Jane Padded Heart Shape Bra Black
Marie Jo Jane Heart Shape Contour Bra in black, showing delicate embroidery and lightly padded cups for a smooth, rounded silhouette.
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Soft Stretch Bandeau Nude
Soft Stretch Bandeau Nude
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Soft Stretch Bandeau Black
Soft Stretch Bandeau Black
Model wearing Empreinte Amour Invisible Full Cup Bra in Nacre with embroidered tulle and scalloped lace
 
Model wearing Empreinte Amour Invisible Full Cup Bra in Nacre with embroidered tulle and scalloped lace
Amour Underwire Seamless Full Cup Bra Nacre
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Amour Maternity Bra Nude Pink
Amour Maternity Bra Nude Pink
front view of The Foundation’s Panache Sports Bra in Latte shown front-on, highlighting seamless cups and comfortable support.
 
front view of The Foundation’s Panache Sports Bra in Latte shown front-on, highlighting seamless cups and comfortable support.
back view of Panache Sports Bra in Latte from The Foundation, featuring racerback ring detail and wide cushioned straps.
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Soft Stretch Bralette Lilac Orchids
Soft Stretch Bralette Lilac Orchids
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Soft Stretch Padded Top Nymphea Pink
Soft Stretch Padded Top Nymphea Pink
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Perfectly Fit Push Up Plunge Bra Cedar
Perfectly Fit Push Up Plunge Bra Cedar
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Avero Padded Heart Shape Bra Ivory Petal
Avero Padded Heart Shape Bra Ivory Petal
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Milao Padded Heartshape Bra Shadow Grey
Milao Padded Heartshape Bra Shadow Grey
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Soft Stretch Bralette Fluor Eclipse
Soft Stretch Bralette Fluor Eclipse
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Soft Stretch Padded Top Rose Des Bois
Soft Stretch Padded Top Rose Des Bois
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Essentiel Multi Strapless Bra Peau Rose
Model wearing Essentiel Multi Strapless Bra Peau Rose, front close-up showing bandeau and moulded cup design.
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Soft Stretch Padded Top Peach Delight
Soft Stretch Padded Top Peach Delight
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Soft Stretch Padded Top Leo Neutral
Soft Stretch Padded Top Leo Neutral

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.