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Love from 17,543+ 5-Star Reviews!
Love from 17,543+ 5-Star Reviews!

Official
Underwear
Of Fun!

We'll put the power in your pants and a smile on your dial. We are the Undie Club!

TRY THE UNDIE CLUB Shop All

Love them, or they're Free.

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Model holding up Panther underwear design by Knobby Knobby underwear designs in washing basket Various Knobby mens trunk designs banner image
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We create amazing underneaths that make you feel ridiculously good and give you the power to be your most confident self!

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Unique Designs
Unique Designs
Unbeatable Comfort
Unbeatable Comfort
Planet Friendly
Planet Friendly
Community Focused
Community Focused
4.9
Rated 4.9 out of 5 stars
3,393 Reviews

Sunshine Ranch

Men's Trunk Pack

$79

$68 Members

5.0
Rated 5.0 out of 5 stars
3 Reviews

Sunshine Ranch

Women's Pyjama Set

$99

$85 Members

5.0
Rated 5.0 out of 5 stars
1 Review

Sunshine Ranch

Men's Pyjama Set

$99

$85 Members

4.9
Rated 4.9 out of 5 stars
533 Reviews

Sunshine Ranch

Women's Bralette Pack

$79

$68 Members

Shop All New Arrivals
4.9
Rated 4.9 out of 5 stars
454 Reviews

Camo-line

Women's Crop

$35

$33 Members

5.0
Rated 5.0 out of 5 stars
50 Reviews

Wheelie Sour

Women's Midi

$35

$30 Members

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Join the Undie Club, Unlock a World of Perks!

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Undie Club members receive free domestic shipping, 15% off storewide, plus all these additional member-only perks!

Undie Club
Buy Once
Comfort Guaranteed
Earn loyalty points
Early access to new designs
Save 15% storewide
Free shipping within Australia
Member only products
VIP access to sales events

Join over 984,381 happy Knobby Undie Club members

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So far we have saved 235,231 plastic bottles from landfill.

Join us on our journey to become the most sustainable underwear brand in the world.

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Bottleblend™ Underwear

Star Icon All our Undie Club products are made using BottleBlend™ fabric, turning trash into treasure!

Redefined Comfort with Bamboo and Merino Wool Wonders

Bamboo Underwear

Star Icon Bamboo is a renewable natural, fast-growing grass.

Star Icon Bamboo is soft, cooling and works with your body chemistry for a healthier you.

SHOP BAMBOO

Merino Wool Underwear

Star Icon 100% Australian sourced Merino wool grown and sourced locally in Australia.

SHOP MERINO WOOL
Lead Icon KEEPING IT ETHICAL

Our packaging is renewable, sustainable and compostable.

We use zero single use plastics! Yep, zilch!

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Get the Inside Scoop

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Delve into stories of comfort, sustainability, and all things undie-licious!

See All Articles >
06/12/24

Knobby Christmas Gift Guide!

‘Tis the season to be shopping! And Knobby has got the gifts to be gifted!

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18/11/24

Jingle Brawls

This festive fisticuffs features our dysfunctional family and their distinctive party personality traits. Let’s unwrap these characters....

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14/11/24

Plunder Down Under

Plunder Down Under unleashes creatures of the deep sea into your pants. Let's dive in....

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