Teysha Organic Triangle Black Edition Set — flat lay of black organic cotton triangle bra and matching bikini briefs, GOTS-certified everyday underwear set for tween girls
Teysha Organic Triangle Black Edition Set worn by model — organic cotton black triangle bra and matching bikini briefs, GOTS-certified for tween girls
Teysha organic cotton triangle bra in black, front view on light grey background — wire-free with picot edge trim, GOTS-certified first bra for tween girls
Teysha organic cotton triangle bra in black, back view showing adjustable straps and hook fastening — GOTS-certified first bra for tween girls
Teysha organic cotton bikini brief in black with pink bow detail, front view — GOTS-certified soft underwear for tween girls
Teysha organic cotton picot edge bikini brief in black, back view — GOTS-certified soft underwear with delicate scalloped trim for tween girls
Teysha organic cotton black triangle bra worn by model with black jeans — wire-free, GOTS-certified first bra for tween girls
Teysha organic cotton triangle bra in black, front view — wire-free with adjustable straps, GOTS-certified first bra for tween girls
Organic Triangle Black Edition Set

In Stock

Organic Triangle Black Edition Set

$69.95
$86.90
Shipping calculated at checkout.
Cotton Triangle Bra Black Edition (Size)
  • 15
  • 16
  • 10-12
  • 12-14
Cotton Bikini Picot Edge Black Edition (Size)
  • 16
  • 15
  • 12-14
  • 10-12

Buy 2 & get 10% off

Description

Sleek, coordinated, and made from organic cotton. The teysha Organic Triangle Black Edition Set.

Everything she needs in the cleanest colourway. The teysha Organic Triangle Black Edition Set pairs our Organic Triangle Bra with matching Black Edition organic cotton underwear for a complete, coordinated set that works for every day of the week. Classic, versatile, and always in rotation.

The triangle bra is wireless and wire free with double layered cups and adjustable straps. The underwear features the same high quality organic cotton in a clean, matching black.

Why teysha gots certified organic cotton stretch fabric?

Soft on her. Better for her. Kinder to the planet. 🌿

teysha Organic Stretch is made with 100% GOTS-certified organic cotton, blended with just 5% elastane to give the fabric the gentle stretch and flexibility growing girls need.

The result? A beautifully soft, breathable fabric that moves with her without compromising on comfort.

Our organic cotton is grown without conventional pesticides and processed to the strict standards of the Global Organic Textile Standard (GOTS). The added 5% elastane gives teysha pieces their comfortable stretch, helping them move, flex and keep their shape through busy days, growing bodies and everything in between.

Why she'll love it:
✨ Super-soft against skin
🌿 100% GOTS-certified organic cotton
🤍 Breathable and comfortable
🧘 Gentle stretch that moves with her
♻️ A more considered choice for the planet
💗 Designed especially for growing girls

Because what sits against her skin matters.

teysha Organic Stretch the soft, stretchy way to choose better.

Why you'll both love it:
Complete bra and underwear set in classic Black Edition. Wireless, wire free triangle bra with double layered cups. Versatile black that works every day of the week. Gentle on sensitive, growing skin. Sustainably made, better for bodies and the planet.

📏 Not sure which size to choose? Visit our Size Guide for sizing advice tailored for tweens and teens.

Complete the look

Round out her Black Edition drawer with these matching organic cotton pieces:

SHIPPING INFORMATION
Order in the next [hour] to get it between [date_start] and [date_end]

Returns & Warranty

teysha returns and exchanges policy

At teysha, you can shop with confidence. We offer returns and exchanges on bras to help you find the right fit. Please note that underwear cannot be returned or exchanged due to strict health and hygiene regulations. Sale items also cannot be returned or exchanged unless faulty.
We encourage all customers to check our size chart carefully before making a purchase.

Bras
Free exchanges within 7 days if your bra is the wrong size.
Refunds are available on unused bras returned within 7 days of delivery.
All return postage and packaging costs are the responsibility of the customer.
teysha covers postage only for outgoing exchange parcels.

Underwear
Underwear cannot be returned or exchanged for any reason due to health and hygiene requirements.
Please check our sizing chart before purchasing underwear.

Faulty or incorrect items
If you receive a faulty item or an incorrect order, return postage will be covered by teysha.
This applies to both bras and underwear.

How to return or exchange a bra
Email enquiry@teysha.com.au to request a Return Authorisation Number.
Include the Returns Number slip, your name and your order number inside the package.
For exchanges, you will receive an Australia Post return slip at no cost.
For refunds, please send your item using a traceable postal service of your choice. The customer covers the cost of postage and packaging.
Once your return has been received and inspected, we will notify you when your refund or exchange has been processed. This can take up to 7 business days after your tracking shows delivered.
Refunds may take 7 to 10 business days to appear in your bank account depending on your financial institution.

Conditions of return
A copy of your original receipt must be included.
Items must be in original condition, unworn, with tags attached and in original packaging.
Items returned damaged, worn or in an unsellable condition may be refused.
Refunds are issued to the original payment method only.
Sale items cannot be returned or exchanged unless faulty.
All returns must be sent via a traceable postage method. Proof of postage must be kept until your return has been processed. teysha is not responsible for returns that are not received.

Size Chart

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Why teysha?

Better for her.
Better by design.

Thoughtfully designed for growing girls. Soft, supportive
and made with certified organic cotton.

Certified
Organic Cotton

Better fibres.
Better choice.

We use GOTS-certified organic cotton chosen for its soft, breathable feel and lower-impact production.

95% certified organic cotton
+ 5% elastane for gentle stretch.

Soft Natural
Support

Support without
the squeeze.

No stiff padding. No unnecessary structure. Just thoughtfully designed support that feels comfortable enough for all-day wear and moves with her.

Breathable
Comfort

Let her skin
breathe.

Natural cotton allows air to circulate, helping to keep her cool, dry and comfortable all day, every day.

Made for
Growing Girls

Because her body
is changing.

Designed specifically for tween and teen girls, with age-appropriate shapes, thoughtful fits and styles she'll actually want to wear.

She's growing.
Her underwear should grow with her.

teysha was created to give girls a better choice from the very beginning — soft, supportive, thoughtfully designed and made with certified organic cotton.

the teysha difference

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  • Other Brands

  • 5–10% organic blend

  • Chemical dyes & finishes

  • Often irritating

  • Adult-first designs

  • Mass produced

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  • teysha

  • 100% GOTS certified organic cotton


  • Low impact dyes

  • Gentle for sensitive skin


  • Designed for growing girls

  • Aussie designed, ethical makers

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Why Choose Organic Underwear?

What's closer to your skin than your underwear? Kids especially deserve the safest fabrics next to their bodies — that's why we skip the harsh dyes and synthetic finishes found in a lot of everyday clothing. By choosing teysha, you're choosing:
  • Pure, breathable comfort every day
  • Peace of mind knowing there are no hidden chemicals
  • A more sustainable, Earth-friendly choice

Healthier for growing bodies

Your skin is your body’s largest organ, and it absorbs more than you might realise. Most conventional clothing is made from synthetic fibres treated with chemicals like formaldehyde, PFAS, and heavy metal dyes, substances linked to irritation, hormone disruption, and long term health risks.
Our teysha organic stretch fabric is different. It's crafted from 100% GOTS certified organic cotton with just a touch of elastane for gentle stretch. It’s breathable, chemical free, and designed to move with your body keeping skin happy, comfortable, and irritation-free.
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Better for the planet

Organic cotton isn’t just better for you it’s better for the Earth
  • Less water, less pollution: Organic farming uses significantly less water and avoids toxic pesticides and fertilisers that harm ecosystems.
  • Low impact dyes: Our fabrics use fewer dyes, reducing environmental waste.
  • Biodegradable & sustainable: Unlike synthetics, organic cotton breaks down naturally, leaving a smaller footprint.

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