The Original comfy undies that don't go up your bum! In sizes SM-4XL, this very comfortable full brief sits in the natural crease at the top of the leg and usually hits just below the belly button. The Original is a higher rise, but not a high waisted undie. Made in Portland, Or with our signature 90% Organic Cotton / 10% Spandex blend, this is our most popular style and easily fits many body types.
| Dress Size (US) | Waist (Inches) | Hip (Inches) |
| XS | 0 | 23-25 | 31-33 |
| SM | 2-4 |
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| MED | 6-8 |
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| LG | 10-12 |
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| XL | 14-16 |
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| 2XL | 18-20 |
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| 3XL | 22-24 |
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| 4XL | 26-28 |
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The Ultimate Undie
FABRIC
Thunderpants organic cotton / spandex fabric is knitted in New Zealand and made to exact specifications to give our undies just enough stretch to stay up and on.
FIT
The cut of our undies and our special banding fits the natural curves of your body so they don’t ride up, or cut into, your bum.
PRINTS
Our print designs are unmistakably Thunderpants - bold, bright and beautiful.
OUR PROMISE
We promise you will never be caught with a wedgie or unattractive undie-line wearing Thunderpants.
USA Made
Exacting standards and keeping it local
One of the things we do take seriously is the exceptional quality of our clothing and we are pretty uncompromising when it comes to this. That’s why all Thunderpants USA clothing is made from organic cotton and all of the production process is as local as we can feasibly make it.
The organic cotton we use in our fabric is grown in India without the use of chemicals or pesticides and processed to strict SKAL standards (International Standards for Sustainable Textile Production) and knitted in Levin, NZ (close to Thunder pants NZ headquarters). Water based inks and dyes are used for printing and dying our fabric so only the best quality materials are used to make Thunderpants USA clothing.
All Thunderpants USA undies are sewn in Portland, Or.
Every aspect of production, from how our fabric is made and our clothes sewn is traceable, tested and controlled for quality.
Our aim is to produce clothing you can feel great about. And that’s not only how and where the clothing is made, but when you wear it too!
Take pride in your undies.