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ChiChi Brief Set of 4

$72.00 AUD
5 reviews
Select a Colour:  Black

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Size up for extra comfort!! These knickers have a very firm waistband by design, if you do not like firm underwear we suggest you try a different style. 

Wear me and you'll feel like you're being held in all the right places. Think of me as super soft and comfy shape wear. This brief sits at the natural waist, so it’s great for creating a seamless look, it is high cut around the leg and generally just feels great! Designed with our signature blend of textured and smooth eco fabric, this brief features a ribbed textured waistband and smooth waist-down bottom.

Sometimes it’s fun to let it all hang out but other times you need to hold it together. And that’s why the ChiChi was designed. 

Purpose: Wear better quality underwear that is better for you + planet
Impact: 80% Biodegradable, less carbon and water waste

Set includes: x 4 pairs in 1 colour (you save $24)

Style: High-waisted shape shifting bikini brief 
Wear me: Perfect for every day 
Material: 80% Lenzing Tencel, 20% Elastane and Polyamide


Model Megan wears our size 12

  • 80% Lenzing Tencel, 20% Elastane and Polyamide
  • Super soft and comfy for that barely there feel
  • Made from our signature blend of eco friendly fabric
  • Features a thick, firm waistband and semi-seamless design
  • Comes in all colours which includes Black, Peachy, Sage and our TONES Range
  • You can mix and match colours and styles to achieve your perfect nat'v mix of personalised underwear

Certifications: OKEO TEX Standard 100 & Lenzing Certification: 31926660

Plastic-free and carbon-neutral shipping straight to your doorstep!

Choosing nat’v is a decision that minimises your impact on the environment. Our authentic producer of TENCEL™ Lyocell fibres used in nat’v knickers have a commendable reputation for their environmentally responsible closed-loop production process, which transforms wood pulp into cellulosic fibres with high resource efficiency and low environmental impact. This solvent-spinning process recycles processed water and reuses the solvent at a recovery rate of more than 99%. The material has been carefully selected for its minimal footprint on both carbon and water resources.


Anti-bacterial, breathable + toxin free making it safer for your body.


Eco-soft fabric technology for maximum all day comfort.


Fabric produced from organically grown, renewable wood source.


Manufactured with minimal carbon and water resource footprint.

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Customer Reviews

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Alice B.
Australia Australia

Greatest undies I’ve ever worn!

The Chi Chi Briefs are amazing. I’ve always had trouble with the right shape or style to fit my larger thighs and bottom with small waist. Usually somethings digging in or cutting me off at the wrong spots! Love, love, love these Chi Chi Briefs!!! The high waist is amazing so I’m not hitching constantly and the thicker band prevents any digging into my softer sides! The fabric is insanely soft, I feel lush and confident every time I wear them. The peachy colour is gorgeous and I just purchased 2 more sets because I’m obsessed and I want to wear them all the time! Thank you for making such amazing comfy and beautiful undies!

Melissa S.
Australia Australia

So comfortable

Hands down the best briefs I have ever worn. Comfortable and keep you supported in all the right places


Our Knickers were created for exactly this reason, Comfort! So we love that you agree. Thank you x

Carolyn F.
Australia Australia

Best undies ever!

These are hands down the most comfortable undies I have ever worn. I will never buy another brand again!


Thanks so much. This makes us so happy to hear that you love our range so much!

Danielle F.
Australia Australia

Comfiest undies I own

So happy to have found Nativ these are hands down the comfiest undies I own


So great to hear! Thank you so much

Carolyn F.
Australia Australia

Best undies ever

Most comfortable undies I have ever worn. Will never buy another brand again!

Have a Question ?

How to care and prolong the life of your nat'v basics
nat'v basics are made from delicate natural fibres, so it's essential that you take care when washing them and caring for them. Read on!

7 tips to keep your knickers fresh
Washing your knickers may seem pretty straightforward, but how do you actually wash your knickers? Like most of us you probably, haven't put a lot of thought into it. And why on earth would you? You have a life—and that doesn’t include worrying about your knickers?
Personally I am the worst washer of any clothes and usually don’t think twice before doing the washing. Everything gets thrown in the same load on whatever setting, I am guessing the default one. So what’s wrong with that? Washing your Nat'v Basics with the rest of your laundry will ultimately cause them to wear out quickly which includes tears, fraying, fading, and stretching.

Here are some tips on how to care and prolong the life of your nat'v knickers.

Tip 1: Treat me delicately! Place your Cheeky Gs, Classics and pre-rinsed Comforts inside a delicates wash bag, with similar colours.
Pre-rinse your leak proof Comforts in cold water until the water runs clear.

Tip 2: Warm and gentle wash. Select a gentle cycle, not too hot, not too cold, just right.

Tip 3: Mild detergent, no harsh chemicals. Use a colour safe, mild detergent. Do not bleach or use fabric softener.

Tip 4: Leave me hanging! Hang me on the line to dry in the shade.

Tip 5: Do not tumble dry. Do not tumble dry or take me to the dry cleaners.

Tip 6: Do not iron. No ironing required here.

Tip 7: Keep me trimmed. If any loose threads appear, trim them to keep me tidy and avoid threads catching.
So it’s pretty straightforward!
By following our tips your nat'v basics are going to last a lot longer, which is great for your back pocket and our planet.
Do you have a size guide?
Please not we recommend sizing up in our bralette for extra comfort. For more information visit our size chart page
What is our brand purpose?
We design everyday basics for women that are sustainable and eco-friendly. We strive to offer the highest possible level of comfort.
We use the word “comfort” a lot and to us this does not just refer to the physical touch of our materials on your skin. We want to extend the experience of comfort to our customers by adding the assurance that we are making better choices for the planet.

We aim to offer comfort to our customers by maintaining an open and honest supply chain, by checking and ensuring the highest quality working conditions exist at all levels, and by investing time and resources into researching the best techniques for material manufacture that have the least impact on the natural world.