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Women's Underwear >

BioTracker Mid Brief

¥3,555

Any 4 undies or socks for 5% off.
Any 8 undies or socks for 10% off.
Any 15 undies or socks for 20% off.

Discount applies at checkout.
All packs excluded.

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A seamless mid-waist 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$100. 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 440 reviews
81%
(358)
11%
(48)
4%
(16)
2%
(9)
2%
(9)
E
Elizabeth H.
Size (AU): 14-16
Purchased size: L
How it fits: True to size

BioTracker Mid Brief

K
Kerry D.
Size (AU): 10-12
Purchased size: M
How it fits: True to size
Incorrect style received

Disappointed- I received full instead of mid briefs

L
Lee R.
Size (AU): 14-16
Purchased size: L
How it fits: True to size
Most comfortable underwear ever

These undies are so comfortable, breathable and never ride up. Highly recommended

S
Susan M.
Size (AU): 18
Purchased size: XL
How it fits: True to size
So comfortable

So comfortable, quick drying and perfect fit. Excellent for travelling. These are my go to undies.

L
Lisa D.
Size (AU): 10-12
Purchased size: M
How it fits: A bit loose

I like them but feel they have stretched