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Women's Underwear >

BioTracker Full Brief

$36.00

Any 4 socks or undies for 5% off.
Any 6 socks or undies for 10% off.
Any 10 socks or undies for 15% off.

Discount applies at checkout.
All packs excluded.

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A seamless high-waisted brief made from super fine modal and RegSilk Protein™ Fibre. Engineered with Paire's trademarked NudeTech™ and BioTracker feature for superior hygiene. Super antibacterial, and soft on the skin.

Body: 88% Super Fine Modal (Tree Fibre), 12% Spandex. Gusset: 95% RegSilk Protein™ Fibre (85% Super Fine Modal, 10% Mulberry Silk), 5% Spandex.

Pay off your Paire in a few weeks by selecting ‘Afterpay’ at checkout.

We’ll foot the bill on shipping for domestic orders over A$120. Free worldwide shipping over A$200.

No questions asked. No shipping costs. We've all ordered things online but sometimes they just don't feel right. At Paire, if you have got the wrong size or just don't feel good, you have full 100 days to return it for a full refund.

Super-soft tree fibres

Powered by NudeTech™. Feels like a second skin.

Anti-smell & antimicrobial

RegSilk™ fibres stop bacteria from building up.

Never sweaty, always breezy

And refuses to reveal itself under tight pants. 

Brown

This is not your ordinary brief. Made with fancy things like our sustainable silk and signature squat-proof technology. So you can feel things like the perfect amount of stretch, without ever sagging, bending, or snapping. 

Our trademarked NudeTech™ gives your briefs that special touch. Made from plant-based Modal, it’s what makes them feel like a second skin—like you’re wearing nothing at all.

Made with RegSilk™—our regenerated silk cocoon protein fibres—which has antibacterial and anti-smell properties to keep your most sensitive bits happy and to stop bacteria from building up. The world’s first Pilates-proof panties. Thrush? Don’t know her. 

Not sure how old your underwear is?

With busy lives and schedules, most of us aren’t keeping tabs on when we last spruced up our drawers. So consider these undies your reminder app — their handy tracker changes colour with wear and time so you can see how long they’ve been in rotation for.

Designed with active proteins that sense external stimuli, BioTracker™ lets you decide when it’s time for a refresh.

Customer Reviews

Based on 411 reviews
82%
(335)
12%
(49)
4%
(15)
1%
(6)
1%
(6)
W
Wendy W.
Size (AU): 14-16
Purchased size: XL
How it fits: True to size
THE best holiday underwear!!

I was alerted to this brand by a couple of friends and so had to purchase them for myself and was not disappointed. Very happy with the fit and comfort and the best part is they wash and dry overnight so no need to pack heaps of knickers to go away on a trip.

R
Robyn G.
Size (AU): 14-16
Purchased size: L
How it fits: True to size
Comfy undies

I was unsure which size to get as Australian underwear sizes vary so much. I wear a size 12-14 in clothes and bought the briefs in L which was perfect

L
Lesley T.
Size (AU): 14-16
Purchased size: L
How it fits: True to size
Best undies

My whole family live these undies. From my 12 year old granddaughter to 62 year old me.
The only thing I noticed is that the bio tracker doesn't work. When the undies arrived the bio tracker was already reading it was time to replace them.

A
Anne G.
Size (AU): 10-12
Purchased size: M
How it fits: True to size
Mrs Galea

Very happy with my purchase, and I’ll buy more when needed.

R
Robyn R.
Size (AU): 14-16
Purchased size: XL
How it fits: True to size

BioTracker Full Brief