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Women's Underwear

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Close up of Nyks Thong Brief in Sapphire by Samanta—sheer mesh and lace detail, designed for comfort and style.
 
Close up of Nyks Thong Brief in Sapphire by Samanta—sheer mesh and lace detail, designed for comfort and style.
close up back view of Samanta Nyks Thong Brief Sapphire—cheeky mesh back and delicate lace

Nyks Thong Brief Sapphire

$79.95
Close up of Louise Thong Brief in Sequoia by Empreinte—delicate French lace design on soft mesh, available exclusively.
 
Close up of Louise Thong Brief in Sequoia by Empreinte—delicate French lace design on soft mesh, available exclusively.
Back view of Model wearing the Louise Thong Brief in Sequoia—flattering and feminine from behind, Empreinte lingerie.

Louise Thong Sequoia

$89.95
Close up of Model wearing the Louise Culotte Panty Brief in Sequoia by Empreinte, showcasing guipure lace detail and mid-rise cut.
 
Close up of Model wearing the Louise Culotte Panty Brief in Sequoia by Empreinte, showcasing guipure lace detail and mid-rise cut.
Back view of the Louise Culotte Panty Brief in Sequoia by Empreinte, designed for a smooth silhouette.

Louise Culotte Panty Brief Sequoia

$104.95
Front view of The Foundation’s Waltz Shorty Brief in Bright Poppy – featuring mid-rise semi-sheer floral lace with scalloped edges for feminine charm.
 
Front view of The Foundation’s Waltz Shorty Brief in Bright Poppy – featuring mid-rise semi-sheer floral lace with scalloped edges for feminine charm.
Back view of The Foundation’s Waltz Shorty Brief Bright Poppy – back view showing soft floral lace coverage and delicate scalloped trim for a flirty silhouette.

Waltz Shorty Brief Bright Poppy

$89.95
Front view of the Waltz Tanga Brief Milk Ivory from The Foundation – mid-rise lace thong with delicate scalloped trim and sheer floral panelling.
 
Front view of the Waltz Tanga Brief Milk Ivory from The Foundation – mid-rise lace thong with delicate scalloped trim and sheer floral panelling.
Back view of The Foundation’s Waltz Tanga Brief in Milk Ivory – back view showing the elegant V-string design and intricate sheer lace detail.

Waltz Tanga Brief Milk Ivory

$79.95
The Foundation's Chantelle Waltz Shorty Brief in Milk – mid-rise ivory lace brief with floral semi-sheer design and flattering scalloped waistband.
 
The Foundation's Chantelle Waltz Shorty Brief in Milk – mid-rise ivory lace brief with floral semi-sheer design and flattering scalloped waistband.
Back of The Foundation’s Waltz Shorty Brief in Milk – soft cotton gusset and sheer lace with delicate scalloped edge for a graceful silhouette.

Waltz Shorty Brief Milk

$89.95
The Foundation’s Chantelle Waltz Shorty Brief in black – mid-rise lace brief with semi-sheer floral design and scalloped trims for feminine flair.
 
The Foundation’s Chantelle Waltz Shorty Brief in black – mid-rise lace brief with semi-sheer floral design and scalloped trims for feminine flair.
Back view of The Foundation's Waltz Shorty Brief by Chantelle – black floral lace lingerie brief with a mid-rise fit and delicate cotton gusset.

Waltz Shorty Brief Black

$89.95
Front view of Osino Full Brief Sapphire Blue, featuring high waist and eyelet lace panels at the sides
 
Front view of Osino Full Brief Sapphire Blue, featuring high waist and eyelet lace panels at the sides
Side angle of Osino Full Brief Sapphire Blue showing delicate lace detailing and soft, comfortable fit

Osino Full Brief Sapphire Blue

$88.00
Front view of Simone Perele Delice Shorty Brief in Blush, featuring delicate tulle and embroidered detail
 
Front view of Simone Perele Delice Shorty Brief in Blush, featuring delicate tulle and embroidered detail
Back view of Delice Shorty Brief Blush, showing cheeky bottom coverage and sheer embroidered panel

Delice Shorty Brief Blush

$79.95
Front view of Reve Culotte Brief Black, featuring high-waisted lace and microfiber design with vintage-inspired details
 
Front view of Reve Culotte Brief Black, featuring high-waisted lace and microfiber design with vintage-inspired details
Back view of Reve Culotte Brief Black, showing opaque fabric and scalloped lace trim

Reve Culotte Brief Black

$79.95
Front view of Reve Culotte Brief Sakura Pink, showcasing high-waisted lace detail and vintage-inspired design
 
Front view of Reve Culotte Brief Sakura Pink, showcasing high-waisted lace detail and vintage-inspired design
Back view of Reve Culotte Brief Sakura Pink, highlighting opaque knitted fabric and scalloped lace trim

Reve Culotte Brief Sakura Pink

$79.95
Front view of Reve Bikini Brief Black from The Foundation – lace front, scalloped trim and cotton-lined for all-day comfort.
 
Front view of Reve Bikini Brief Black from The Foundation – lace front, scalloped trim and cotton-lined for all-day comfort.
Back view of Reve Bikini Brief Black from The Foundation – smooth mesh panel with seamless edges for no-show wear under clothes.

Reve Bikini Brief Black

$74.95
Front view of Reve Tanga Thong Brief Black from The Foundation – scalloped lace waistband and minimal all-lace design.
 
Front view of Reve Tanga Thong Brief Black from The Foundation – scalloped lace waistband and minimal all-lace design.
Back view of Reve Tanga Thong Brief Black from The Foundation – scalloped lace detailing and G-string silhouette.

Reve Tanga Thong Brief Black

$74.95
Front view of Reve Bikini Brief Sakura Pink from The Foundation – lace and cotton-lined design with scalloped waistband.
 
Front view of Reve Bikini Brief Sakura Pink from The Foundation – lace and cotton-lined design with scalloped waistband.
Back view of Reve Bikini Brief Sakura Pink from The Foundation – seamless mesh back offering cheek coverage and smooth silhouette.

Reve Bikini Brief Sakura Pink

$74.95
Front view of Reve Tanga Thong Brief Sakura Pink from The Foundation – delicate scalloped lace design with soft waistband.
 
Front view of Reve Tanga Thong Brief Sakura Pink from The Foundation – delicate scalloped lace design with soft waistband.
Back view of Reve Tanga Thong Brief Sakura Pink from The Foundation – full lace back with elegant curve-hugging scalloped edge.

Reve Tanga Thong Brief Sakura Pink

$74.95
Front view of The Foundation's Amourette Charm Maxi 02 Brief Rust by Triumph featuring delicate floral lace and smoothing fit.
 
Front view of The Foundation's Amourette Charm Maxi 02 Brief Rust by Triumph featuring delicate floral lace and smoothing fit.
Back view of The Foundation’s Amourette Charm Maxi 02 Brief Rust showing seamless finish and shaping design.
Sold Out

Amourette Charm Maxi 02 Brief Rust

Sold Out
Close up of Model wearing Triumph Amourette Charm Maxi 02 Brief in black, showing floral lace detail and wide sides.
 
Close up of Model wearing Triumph Amourette Charm Maxi 02 Brief in black, showing floral lace detail and wide sides.
Back view of black Amourette Charm brief with sheer tulle and shaping tummy panel.

Amourette Charm Maxi 02 Brief Black

$39.95
Front view of Triumph Something Else Tum-E-Lace Full Brief in Black with tummy control panel and lace trim—available at The Foundation.
 
Front view of Triumph Something Else Tum-E-Lace Full Brief in Black with tummy control panel and lace trim—available at The Foundation.
Back view of the Something Else Tum-E-Lace Brief in Black by Triumph, with high-waisted fit and smooth finish—shop now at The Foundation.

Something Else Tum-E-Lace Full Brief Black

$39.95
Flat lay of Perla Thong in Rosy colour with lace side panels and delicate embroidery.
 
Flat lay of Perla Thong in Rosy colour with lace side panels and delicate embroidery.
Close up of Model wearing Perla Thong in Rosy showing lace sides and subtly raised waist.

Perla Thong Rosy

$74.95
Flat lay of Perla Midi Brief in Rosy by Samanta, with lace panels and gold charm—shop lace briefs online at The Foundation.
 
Flat lay of Perla Midi Brief in Rosy by Samanta, with lace panels and gold charm—shop lace briefs online at The Foundation.
Close up of model wearing Samanta’s Perla Midi Brief in Rosy, lace detail on hips—available at The Foundation Australia.

Perla Midi Brief Rosy

$74.95
Front view of Maddie Hipster Brief in soft pink with floral lace and striped tulle detail.
 
Front view of Maddie Hipster Brief in soft pink with floral lace and striped tulle detail.
Back view of Maddie Hipster Brief in soft pink showcasing smooth opaque knit design.

Maddie Hipster Brief Soft Pink

$49.95
Close up of Maddie Hipster Brief in black with floral lace and striped tulle panels.
 
Close up of Maddie Hipster Brief in black with floral lace and striped tulle panels.
Back view of Maddie Hipster Brief in black showing smooth opaque knit for added comfort.

Maddie Hipster Brief Black

$49.95
Front view of Maddie Shorty Brief in black, featuring lace overlay and striped tulle panels with opaque knit front.
 
Front view of Maddie Shorty Brief in black, featuring lace overlay and striped tulle panels with opaque knit front.
Back view of Maddie Shorty Brief in black, showcasing sheer lace and soft tulle with a flattering, cheeky cut.

Maddie Shorty Brief Black

$49.95
Close-up of Maddie Tanga Thong Brief in black with floral lace and striped tulle contrast panel.
 
Close-up of Maddie Tanga Thong Brief in black with floral lace and striped tulle contrast panel.
Model wearing Maddie Tanga Brief in black showing delicate floral lace and lace-trimmed waistband.
Sold Out

Maddie Tanga Thong Brief Black

Sold Out

Underwear should do more than just fit—it should make you feel good. Whether you're a full brief fan, a thong devotee, or somewhere in between, we’ve got you covered (literally). At The Foundation, we’ve curated a selection of women’s underwear that’s supportive, soft, stylish and, most importantly, comfortable enough to wear all day.

From breathable cotton basics to silky lace and invisible microfibre, our collection includes full briefs, bikini cuts, hipsters, G-strings and shapewear options to suit every outfit and every mood. Explore best-selling styles from Chantelle, Simone Pérèle, Janira, Triumph and more—designed to move with you and never dig in. Whatever your go-to style, we’ll help you find the perfect pair.

What styles of women’s underwear do you offer?

We offer a full range—including full briefs, bikini briefs, hipsters, G-strings and shapewear styles. Each one is designed to offer a different mix of coverage, support and comfort, depending on what you’re wearing (and what you like).

What’s the most popular everyday style?

Full briefs and bikini briefs are long-time favourites for everyday wear. Seamfree or microfibre styles are also great for no-show comfort under fitted clothes. And for those who love a barely-there feel, thongs and G-strings are a go-to.

Which underwear fabrics are best?

It depends on what you love. Cotton is breathable and natural, great for sensitive skin. Microfibre gives that smooth, invisible finish, while lace adds a little elegance. We stock them all, so you can mix and match your favourites.

Do you offer fittings for underwear?

Yes, we do! Visit us in-store at Neutral Bay, Rozelle or Bowral. Our team can help you find your perfect size and recommend underwear styles that suit your body and outfit preferences.

How do I wash and care for my underwear?

Most pieces should be washed in cold water on a gentle cycle (or hand washed) and air dried to maintain shape and softness. For lace or delicate styles, a lingerie bag helps protect your undies in the wash.