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T-Shirt Bras

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Model smiling in Anita Extreme Control Sports Bra Desert Nude, wirefree fit with ergonomic straps and piqué fabric, as styled by The Foundation.
 
Model smiling in Anita Extreme Control Sports Bra Desert Nude, wirefree fit with ergonomic straps and piqué fabric, as styled by The Foundation.
Close-up of Anita Extreme Control Sports Bra Desert Nude, showing seamless cups and supportive microfibre band from The Foundation.
Model wearing Anita Livia Wirefree Mastectomy Bra Haut, showing elegant lace and smooth fit, post-surgery comfort by The Foundation.
 
Model wearing Anita Livia Wirefree Mastectomy Bra Haut, showing elegant lace and smooth fit, post-surgery comfort by The Foundation.
Close-up of Anita Livia Wirefree Mastectomy Bra Haut, highlighting upper cup lace, glossy fabric, and cotton breast form pocket at The Foundation.
Smiling model wearing Royce Comfi Cotton Wirefree Press Stud Front Open Bra Blush, showing soft blush cotton and gentle bust shaping, from The Foundation.
 
Smiling model wearing Royce Comfi Cotton Wirefree Press Stud Front Open Bra Blush, showing soft blush cotton and gentle bust shaping, from The Foundation.
Younger model in Royce Comfi Cotton Wirefree Press Stud Front Open Bra Blush, demonstrating front press stud closure and full coverage fit, at The Foundation.

Younger model in Royce Comfi Cotton Wirefree Press Stud Front Open Bra Blush, demonstrating front press stud closure and full coverage fit, at The Foundation.
Empreinte Cassiopee Underwire Seamless Full Cup Bra in Peach, front view on model, luxury large bust lingerie at The Foundation.
 
Empreinte Cassiopee Underwire Seamless Full Cup Bra in Peach, front view on model, luxury large bust lingerie at The Foundation.
Side profile of Empreinte Cassiopee Seamless Full Cup Bra Peach, highlighting lace details and supportive fit, available from The Foundation.
Samanta Amelia Soft Balcony Bra in Powder Rose, featuring delicate German lace and subtle gold trim, available at The Foundation.
 
Samanta Amelia Soft Balcony Bra in Powder Rose, featuring delicate German lace and subtle gold trim, available at The Foundation.
Side profile of Amelia Soft Balcony Bra Powder Rose, showing supportive tulle cups and elegant lace detail at The Foundation.
Model wearing the Passionata Pila Wirefree T-Shirt Bra in Sailing Blue with a plunging neckline and smooth, molded cups for a seamless everyday fit.
 
Model wearing the Passionata Pila Wirefree T-Shirt Bra in Sailing Blue with a plunging neckline and smooth, molded cups for a seamless everyday fit.
Back view of the Pila Wirefree Bra featuring delicate lace detailing and adjustable straps for a personalised, comfortable fit.
Front view of Reve 3D Plunge Contour Bra Black, showing smooth underwired cups and plunge neckline
 
Front view of Reve 3D Plunge Contour Bra Black, showing smooth underwired cups and plunge neckline
Flat lay of Reve 3D Plunge Contour Bra Black, highlighting t-shirt bra shape and scalloped lace trim
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True Shape N01 Wirefree Bra Smooth Skin
True Shape N01 Wirefree Bra Smooth Skin
Front view of model wearing Ladyform Soft WX Bra Black by Triumph, showing full coverage and lace trim minimiser design
 
Front view of model wearing Ladyform Soft WX Bra Black by Triumph, showing full coverage and lace trim minimiser design
Full body shot of model in Ladyform Soft WX Bra Black, highlighting comfortable fit and adjustable straps
Front view of Triumph’s Beautiful Silhouette WDP Strapless Bra in nude, available at The Foundation—designed for invisible everyday wear.
 
Front view of Triumph’s Beautiful Silhouette WDP Strapless Bra in nude, available at The Foundation—designed for invisible everyday wear.
Close-up of nude strapless bra by Triumph with moulded cups and sleek silhouette—shop now at The Foundation.
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True Shape N01 Wirefree Bra Black
True Shape N01 Wirefree Bra Black
Model wearing the Triumph Endless Comfort Wirefree Bra in Black, showcasing full-coverage fit—available at The Foundation.
 
Model wearing the Triumph Endless Comfort Wirefree Bra in Black, showcasing full-coverage fit—available at The Foundation.
Side view of the Endless Comfort Wirefree Bra in Black by Triumph, featuring wide padded straps—shop now at The Foundation.
Angled view of the Kiss of Cotton bra in Fresh Powder – Triumph’s wirefree classic with lace detail, available at The Foundation.
 
Angled view of the Kiss of Cotton bra in Fresh Powder – Triumph’s wirefree classic with lace detail, available at The Foundation.
Close up of the Kiss of Cotton Wirefree Bra in Fresh Powder, available at The Foundation – soft cotton blend with floral lace for everyday support.
Model wearing Maddie Plunge T-Shirt Bra in Soft Pink with floral lace, showcasing a low plunge neckline.
 
Model wearing Maddie Plunge T-Shirt Bra in Soft Pink with floral lace, showcasing a low plunge neckline.
Back view of Maddie Plunge T-Shirt Bra Soft Pink showing striped tulle back and leotard-style support.
Front view of model wearing the Maddie Plunge T-Shirt Bra Black with floral lace and a low-cut neckline.
 
Front view of model wearing the Maddie Plunge T-Shirt Bra Black with floral lace and a low-cut neckline.
Back view of Maddie Plunge T-Shirt Bra Black showing striped tulle and leotard-style back design.
Front view of Panache Ana Plunge Bra in Black with lace detailing and plunge neckline—available now at The Foundation for fuller busts.
 
Front view of Panache Ana Plunge Bra in Black with lace detailing and plunge neckline—available now at The Foundation for fuller busts.
Side profile of the Ana Plunge Bra by Panache in Black, showing stretch lace and firm structure—shop supportive plunge bras at The Foundation.
Empreinte Melody Seamless Full Cup Bra in Caramel with underwire support and floral lace.
 
Empreinte Melody Seamless Full Cup Bra in Caramel with underwire support and floral lace.
front view of Empreinte Melody Bra Caramel showing satin straps and seamless fit.
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Hedona Minimiser Bra Black
Hedona Minimiser Bra Black
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Invisibles Comfort Lightly Lined Bralette Bare
Invisibles Comfort Lightly Lined Bralette Bare
Berlei Understate Wirefree Bra in Black—available at The Foundation, designed for everyday comfort and invisibility under clothes.
 
Berlei Understate Wirefree Bra in Black—available at The Foundation, designed for everyday comfort and invisibility under clothes.
Back view of the Berlei Understate Wirefree Bra in Black from The Foundation—features smoothing side bands and soft, secure straps.
Berlei Understate Wirefree Bra in Nude—find this comfy, invisible-fit bra for A-E cups, perfect for everyday support.
 
Berlei Understate Wirefree Bra in Nude—find this comfy, invisible-fit bra for A-E cups, perfect for everyday support.
Close up of Berlei Understate Wirefree Bra Nude—soft neckline and smooth lines for seamless wear under clothes.
PrimaDonna Figuras Strapless Bra in Powder Rose – front view showing bandeau cut and seamless finish.
 
PrimaDonna Figuras Strapless Bra in Powder Rose – front view showing bandeau cut and seamless finish.
Model wearing Figuras Strapless Bra and brief set in Powder Rose – elegant and minimal full-body styling.
Lifestyle image of model wearing the PrimaDonna Orlando Full Cup Bra in Crazy Blue, featuring shimmer embroidery, available at The Foundation.
 
Lifestyle image of model wearing the PrimaDonna Orlando Full Cup Bra in Crazy Blue, featuring shimmer embroidery, available at The Foundation.
Front view of the PrimaDonna Orlando Full Cup Bra in Crazy Blue, with full coverage and deep cups for lift and support, from The Foundation.
front view of Model wears Madison Full Cup Bra in Scarlet, showcasing delicate lace and flattering fit – The Foundation
 
front view of Model wears Madison Full Cup Bra in Scarlet, showcasing delicate lace and flattering fit – The Foundation
front view of Madison Full Cup Bra Scarlet shown on model with deep cups and gingham lace detail – The Foundation

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.