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Boys Trunk / Hawaii UF D'OH Boys Trunk / Hawaii UF D'OH Boys Trunk / Hawaii UF D'OH Boys Trunk / Hawaii UF D'OH Boys Trunk / Hawaii UF D'OH Boys Trunk / Hawaii UF D'OH
5.0
Rated 5.0 out of 5 stars
220 Reviews

Hawaii UF D'OH Boys Trunk

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  • Star IconSuper soft, not itchy, perfect for fussy kids.
  • Star Icon Made from up to five plastic bottles.
  • Star Icon Very popular. Sells out quickly!

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Notify Me When Available

Same day dispatch if you order before 1pm AEST

Hold onto your foil hats. Hawaii UF D'OH has crash landed into Knobby.

This design is a festival in your pants, with swell sunsets, sci-fi surfers and sugar-coated sweets.
  • Made from up to five plastic bottles
  • Ultra soft pin-hole BottleBlend® fabric
  • 3cm 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: Created from BottleBlend®, our very own recycled material, containing up to five plastic bottles. Ultra light and stupendously soft! This best-selling style is the perfect all-rounder, which breathe to keep you cooler than a tub of neapolitan ice cream.
  • 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.
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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

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Customer Feedback

5.0
Rated 5.0 out of 5 stars
Based on 220 reviews
Total 5 star reviews: 212 Total 4 star reviews: 8 Total 3 star reviews: 0 Total 2 star reviews: 0 Total 1 star reviews: 0
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220 reviews
  • Laikin V.
    Verified Buyer
    Rated 5 out of 5 stars
    9/19/24
    Love the beach!

    Perfect fit. Love the print. Always love getting a surprise each week!

  • Justin M.
    Verified Buyer
    Rated 5 out of 5 stars
    9/17/24
    Best undies

    My son loves them they are the only brand of undies he wears

  • Laura H.
    Flag of Australia
    Verified Buyer
    Rated 5 out of 5 stars
    6/17/24
    It’s a donut life 🍩

    My son loves these, both my son and husband have these. My son is obesssed with Knobby underwear he loves the little wet patch protector he’s in kindy and thinks this is the best thing ever considering he always rushes going to the toilet. We have signed up for monthly subscription of knobby underwear for both hubby and my 6 year old.

  • Kylie A.
    Flag of Australia
    Verified Buyer
    Rated 5 out of 5 stars
    5/27/24
    Best undies

    The best ever

  • Darren G.
    Flag of Australia
    Rated 5 out of 5 stars
    4/5/24
    These jockey shorts look great

    These jockey shorts look great on my boy

  • John L.
    Flag of Australia
    Rated 5 out of 5 stars
    1/31/24
    Great!

    My son loves them wants to know when his next pair is coming

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