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Are you Feline Frisky? Shop our latest collection
Love from 13,670+ 5-Star Reviews!
Love from 13,670+ 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!

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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

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
Unbeatable Comfort
Planet Friendly
Community Focused
New
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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 bottles from finding its way into our oceans.

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

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Bottleblend™ Underwear

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 Bamboo Underwear

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.

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Merino Wool Underwear Merino Wool Underwear

Merino Wool Underwear

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

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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!

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23/05/24

Cats and Tatts

Knobby’s take on this ferocious feline requires no visits to a tattoo studio to get inked! Feline Frisky comes courtesy of US based artist, Robert Goblin.

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16/04/24

Rebel with Naturals

Undies that are as good for the planet as they are for your bum.

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