Skip to main content

${cart_popup.message}

Who are you supporting? Shop our latest collection
Men's Trunk / Frooty Booty Men's Trunk / Frooty Booty Men's Trunk / Frooty Booty Men's Trunk / Frooty Booty Men's Trunk / Frooty Booty Men's Trunk / Frooty Booty

Frooty Booty Men's Trunk

${ product_price | money }

${ chosen_product_member_price | money }

${ product_chosen.compare_at_price | money } ${(100 - ((product_chosen.price/product_chosen.compare_at_price)*100)).toFixed(0)}% Off

${ chosen_product_member_price | money} Members

  • Star IconThis best-selling style is the perfect all-rounder!
  • Star Icon Anti-chafe and superior moisture wicking.
  • Star Icon Perfect for casual to high activity.

Choose Size: ${ chosen_size_abbreviated }

CONGRATULATIONS! SAVE 15%

Knobby Undie Club members save 15% on most products. Discount will automatically be applied once the item is added to your bag. To add another subscription, head over to your member portal.

Notify Me When Available

Same day dispatch if you order before 1pm AEST

Free AU Shipping
on orders $100+

30-Day Love
them Guarantee

For a bright and bold vitamin hit, this design is packed full of flavour, a juicy concoction that pops, Try a pair of Knobby Frooty Booty undies, they’re said to boost mood and immunity and general wellbeing.
  • Ultra soft pin-hole BottleBlend¨ fabric
  • Made from up to five plastic bottles
  • 4cm band with plush inner microfleece
  • Lightweight 160 gsm for versatility and comfort
  • 88% Recycled Poly
  • 12% Spandex
  • Tagless with printed care label
  • Made ethically and sustainably in China
  • THE STYLE: This best-selling style is the perfect all-rounder! Created from BottleBlendª, our very own recycled material, containing up to five plastic bottles. Flatlock seams for comfort and an inseam length of 15cm to reduce ride-up and eliminate cheeky chafe.
  • THE FIT: Each of our undies are made to a global standard. They are true-to-size, so order whatever size you would typically order for shorts. See our size guide.
  • THE MODEL: ${ chosen_product_model_description }

Each pair of Knobbys will arrive in a custom designed, certified kraft paper package or a sealed paper pouch and postage bag made with cornstarch, which is 100% compostable!

All our Australian printed papers and cardboards are recyclable, FSC certified and made carbon neutral, because we give a shit.

Our mission is to be the most sustainable underwear brand in the world.

FREE Standard Domestic Shipping for orders over $100

$9.50 Standard Domestic Shipping for orders under $100

Order before 1pm AEST on weekdays and we'll dispatch the same day!

Returns

Get in touch with our Support Ninjas within 30 days of receiving your Knobbys if you'd like to organise an exchange, refund, coupon or credit! More details

Men's Trunk / Frooty Booty
Frooty Booty Men's Trunk | ${ chosen_size_abbreviated } ${ chosen_product_price | money }
Lightbulb Icon

Unique
Designs

Smiley Face Icon

Unbeatable
Comfort

Earth Heart Icon

Sustainably
Made

Step into a world of amazing underneaths that are ridiculously good and sustainably comfy

Main Product Image
Star Icon Exclusive Unique Design

For a bright and bold vitamin hit, this design is packed full of flavour, a juicy concoction that pops, Try a pair of Knobby Frooty Booty undies, they’re said to boost mood and immunity and general wellbeing.

Feature Image With Arrows
Star Icon Comfort & Fit

Experience unmatched comfort with our products:

  • Star IconThis best-selling style is the perfect all-rounder!
  • Star Icon Anti-chafe and superior moisture wicking.
  • Star Icon Perfect for casual to high activity.

We've designed it specifically for a snug fit that's perfect for everyday wear.

Made with Recycled Ocean Bound Plastic Bottles
Star Icon Sustainability

In a world striving for sustainability, our products stand out. Made from an innovative eco-friendly bottle blend fabric, they not only offer comfort but also reflect a commitment to a greener planet.

The Design Details
"Frooty Booty" by Knobby (Artist Inhouse / Phillip Ramskill)

In The Wild!
Tried Them, Loved Them.

Customer Feedback

Join the Undie Club and save on every order.

LAST MONTHS DESIGN
Last Month's Design Last Month's Design Last Month's Design

A Club with Benefits

Club Members Get These Perks:
Legendary Savings
Legendary Savings

Save up to $13 per pair and get 15% off storewide!

Free Shipping
Free Shipping

Free AU Shipping on every order.

Your Club, Your Rules
Your Club, Your Rules

Pause, cancel, change size, add styles or adjust the frequency they arrive at any time!

V.I.P Access
V.I.P Access

V.I.P access to new designs, product releases, and occasional matching goodies!

Frequently Asked