Classic Thong in Black
The zero elastic on the legs is designed for a comfortable finish and feel on your silhouette, to avoid the dreaded indent some styles can give - due to the elastic finish. We think they are classic, comfortable underwear that will become your new everyday favourites!
- Soft organic cotton lycra for breathable comfort
- Firm fit– we recommend sizing up for comfort
- No elastic around legs for a smooth, gentle fit
- OCS & OEKO-TEX® certified fabrics
- Save 10% when you buy any 3 bras
- In Stock - 5 items left
- Made in small batches - now in production (ships in approx. 6-8 weeks)
- Free shipping Australia $120+
- Australian-owned • Ethically handmade in Bali
- Breathable natural fabrics that feel beautiful all day
The Base Organic Thong in black is thoughtfully designed for everyday comfort, proving that a thong can feel just as good as it looks. Made from soft organic cotton jersey with a touch of stretch, it moves with your body while remaining breathable throughout the day.
A mid-rise fit sits comfortably on the hips without digging in, while elastic-free leg openings keep the design as natural as possible, reducing the amount of synthetic fibres used while creating a soft, comfortable finish.
Features:
- Classic mid-rise thong shape
- Soft organic cotton jersey with gentle stretch
- Elastic-free leg openings for a comfortable finish
- Breathable design for everyday wear
Extra Details:
- Fabric: 90% organic cotton, 10% elastane
- OCS & OEKO-TEX® certified for peace of mind
- Mid-rise fit
- True to Australian sizing. If you're between sizes, we recommend sizing up.
- Natural gusset with moderate stretch
Size References
Mikayla, our studio model, wears an AU 10 and is wearing size 10.
Martina has 110 cm hips and a 73 cm waist and wears our AU 16.
Australia
- $10 flat rate or free over $120.
- Express $15 — select at checkout.
Dispatch in 2-3 business days (Express prioritised)
Pre-Orders
Ship free within Australia (discounted internationally).
May arrive separately if ordered with in-stock items.
Estimated Delivery
Australia – 3–5 business days (Express 1–3)
NZ – 5–7 business days
USA – 10–14 business days
Rest of World – 14–21 business days
International orders may incur duties or taxes on arrival.
Returns
- 30-day returns on bras, crops and sleepwear if unworn and in original condition.
- Underwear cannot be returned for a refund (hygiene).
- Return shipping is the customer’s responsibility unless faulty.
- Refunds exclude original shipping costs.
First Bra Exchange (AU only)
If it’s your first Eco Intimates bra and the size isn’t right, I’ll cover your return shipping and send your exchange at no extra cost.
(Full-priced bras only. Exchanges only.)
Sustainably packed — minimal, plastic-free, and wrapped with care.
Need help? Message Madonna anytime.