Women's Underwear

BioFlex™ Ultra Seamless Full Brief

$22.99
$28

Seamless underwear made with our signature BioFlex™ fabric. A full-rise fit offering full coverage, these undies sit comfortably and stay in place all day.

Colour:

Black

Size

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Body: 86% BioFlex™ Nylon (50% Bio-based Nylon, 50% Nylon),14% Spandex. Gusset: 95% RegSilk Protein™ Fibre (88% Modal, 12% Silk), 5% Spandex.

Machine wash in a mesh bag on a gentle cycle below 30ºC, using a mild, enzyme-free detergent. No bleach, fabric softener or tumble drying; air-dry flat.

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.

Learn More

Take your time. Make sure it feels right.
We want you to feel confident in your Paire. Take the time to try your new piece, check the fit and see how it feels. If it’s not right for you, you have 100 days to return it for a refund or exchange.

Learn More

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.

Sizing Chart

BioFlex™ Ultra Seamless Full Brief

XS S M L XL 2XL 3XL
AU
6-8
8-10
10-12
12-14
14-16
16-18
18-20
US
0-2
4-6
8-10
10-12
12-14
14-16
16-18
Hips (CM)
85-90
90-95
95-100
100-105
105-110
110-115
115-120
Waist (CM)
60-65
65-70
70-75
75-80
80-85
85-90
90-95

Style with

Wireless
T-Shirt Bra

BioTracker
Full Brief

Full Bust
Travel Bra

Ankle Sock

BioTracker
Classic Bikini

Cross Over
Lift Bra

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Second-skin softness

So comfy you’ll forget you’re wearing them

Irritation free

No seams, no tags, no constant readjusting

Easy breezy

Naturally breathable fabric keeps things comfy and breezy

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Product Features

BioFlex™ bends the rules of conventional fabric. Made from 50% recycled corn waste, our bio-based material is created through an innovative process in which starch glucose is extracted from straw and regenerated into a nylon fibre. The result? A durable fabric that’s lighter than air and soft as butter. Superior breathability and four-way stretch. A skin-hugging fit that’s moves with you.
Undies that ride, roll and bunch up are a thing of the past. Featuring no-slip silicone grippers on the leg-line and moulded grip zones, you can trust these undies to stay put.
VPL who? A seamless construction creates a smooth silhouette, while laser cut edges eliminate lines under clothing.
Thanks to a gusset made with RegSilk™, our material of regenerated silk cocoon protein fibres, these undies keep you fresh all day. Beat odour. Stop bacteria in its tracks.