Wear with anything!
"This bra is so comfy and I really like the color. Perfect cozy lounge bra but also sits nicely under any top if I want to wear it out! It’s the perfect amount of lift and support from a wireless bra."
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Alex is 177 cm / 5'10" and wears XS -
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#1 Bra
Alex is 177 cm / 5'10" and wears XS
COTTON
Core Triangle Bralette
Core Triangle Bralette
€50
Regular price
Sale price
Regular price
€50
Unit price
per
Only 0 left in stock
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90% Organic Cotton
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V-Neckline
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Medium Support
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Unpadded
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Free from harmful chemicals
Free from harmful chemicals
This product is GOTS-certified. GOTS has strict chemical criteria aimed at protecting the health of workers, the environment and the end consumer. GOTS prohibits allergenic and carcinogenic chemicals, and those that don’t meet rigorous conditions, including flame retardants, PFAS and toxic dyes.
This buttery-soft triangle bralette has a plunging front and is made with 90% ultra-smooth organic cotton. Breathable and feeling like a second skin, it has zero wires – but plenty of support.
- Triangle bralette with a full cup coverage, medium support and a light lift
- Wireless design with supportive elastic underband covered in soft fabric
- Unpadded, with triple layered cotton cups for best support, hold and look
- Soft wear that lets your natural shape show
- Low-cut to work with multiple different necklines
- Adjustable straps
- Adjustable hook-and-eye closure
- Made with 90% organic cotton
- Soft and stretchy with 10% added elastane Please note: for our + sizes, and for XXL and XXXL this bra has overlapping cups in the front to offer the best support.
- Hazelnut: A warm, light brown with soft beige undertones. An easy neutral that falls somewhere between beige and our deeper brown shades.
- Runs big—if between sizes, we recommend to size down
- For best hold, the underband and side wings should fit snugly
- Choose a size where you fully fill out the cups for optimal support and comfort
- If your bust spills over the cups or sides, loosen the straps or size up
- If the cups wrinkle, gape, or feel too loose, size down
Cotton is a natural fiber that is commonly used for its breathability and softness. Using organic cotton instead of regular cotton has the potential to build soil health, as it is grown without the use of synthetic fertilizers.
- 90% Organic Cotton, 10% Elastane
- Hand wash cold
- Only non-chlorine bleach when needed. Do not iron. Do not dry clean.
Made in
Indonesia
Established in 1977, PT. Liebra Permana is a family-owned factory that quickly expanded into one of the top production facilities in Indonesia. By using cutting-edge technologies like SAP, LP4M, HI-TECH, and TUKATECH, this factory streamlines its processes to minimize waste, while manufacturing high-quality pieces that last.
5
% less
kg CO2e
OUR Product Footprint1.98kg CO2e
Industry Standard2.09kg CO2e
kg CO2e
Tier 01: Garment Assembly
Final assembly of the items, often referred to as cut & sew facility
Tier 02: Dyeing
Preparation and production of subcomponents such as fabrics and trims
Tier 03: Spinning
Process of raw material such as yarn production
Tier 04: Raw Material
Cultivation, production and extraction of raw materials from earth, plants and animals, such as cotton cultivation
Packaging
Packaging of the final product such as tags, glassine bags and boxes
Transport
Transport of products from the site of final assembly to the distribution centre
Use + End of life
Use, care and disposal of clothing, including washing
Traceability
Tier 01: Garment Assembly
Final assembly of the items, often referred to as cut & sew facility
Tier 02: Dyeing
Preparation and production of subcomponents such as fabrics and trims
Tier 03: Spinning
Process of raw material such as yarn production
Tier 04: Raw Material
Cultivation, production and extraction of raw materials from earth, plants and animals, such as cotton cultivation
Packaging
Packaging of the final product such as tags, glassine bags and boxes
Transport
Transport of products from the site of final assembly to the distribution centre
Use + End of life
Use, care and disposal of clothing, including washing
Total ImpactSavings
Acidification
Indicator of the potential acidification of soils and water due to the release of gases such as nitrogen oxides and sulphur oxides.
Energy
Use of energy across all processes and sub-processes, such as use of electricity and heat sources.
Eutrophication
Indicator of the enrichment of the aquatic ecosystem with nutritional elements, due to the emission of nitrogen or phosphor containing compounds.
Freshwater Ecotoxicity
Impact on freshwater organisms of toxic substances emitted to the environment.
Greenhouse gases
Greenhouse gases are those that absorb and emit infrared radiation in the wavelength range emitted by Earth. Measured in CO2 equivalent, it includes gases such as carbon dioxide, nitrous oxide and methane.
Land
The environmental impacts of occupying, reshaping and managing land for human purposes.
Water
The sum of water used in the direct-process or sub-processes (such as energy generation).
This data comes from a Life Cycle Assessment conducted by Made2Flow, specifically for the product featured on this page. These calculations apply to the most recent delivery of this product to our warehouse in 2025 and will be refreshed annually if the product is restocked. Read more about the calculations here.
Overall rating: 4.7667847 / 5 from 849 reviews.
AI Generated Review Summary
The Core Triangle Bralette is praised for its buttery-soft, high-quality material and breathable fabric. Customers appreciate its great fit and support, though sizing can be inconsistent. The look and color are also well-loved, though some find the band size to be an issue.
Summary topics
- Material Quality (13%): It was noted by customers that the material of the product is very soft and of great quality.
- Fabric Comfort (6%): Customers raved about how great the fabric feels, with many mentioning its comfort and softness.
- Sizing Consistency (11%): In general, customers found the sizing to be inconsistent, with some finding it too small or too big.
- Product Fit (27%): Many customers expressed appreciation for the fit of the product, with multiple reviews mentioning that it fits perfectly.
- Band Size (5%): Customers expressed differing viewpoints regarding the band, with some finding it too small and others finding it perfect.
Review topics: [color, fit, fabric, problem, material, quality, size, feels, band, straps, look, bra, shape, coverage, cut, bralette, padding, comfort, style, support, texture, design, construction, cups, seams, thickness, comfy, cotton, clasp, skin].
Review highlights
- "High quality, comfortable cotton, strong straps, good support and a very good fit." —
- "Great fit, comfortable, and I love the colour for summer!" —
- "The fit is true to size, the feel is soft and flexible and its looks great." —
Reviews
Best Bra Ever!
"I have been looking for a bra that fits my larger 38 band size and smaller A cup size. That size combo, especially with back hooks, had been impossible for me to find. I also wanted organic fabric, especially for this first layer/all day wear--and I'm thrilled to have found the Core Triangle Bralette. The design and thickness of the fabric is perfect, with no awful underwire--it's very comfy and flattering. Plus shipping was incredibly fast and customer service was quick, friendly, and helpful! I'm 5'7" 175 lbs, bought the XL initially but exchanged for a L and it fits even better. You really can't go wrong with this bra--the price point is great too!"
Good reliable
"Looks great, band is a little thick so is visible under thin tops, but material is very soft. In the bust, not quite full coverage since there is no padding, so again nips might show through thin tops, but the support is good. The nude color is really useful for sheer things. Much more comfortable than a bra, but not the most comfortable bralette ever, but pretty decent."
Delicious a
"It's a bra and it's triangular and it's lovely!! Comfortable and soft and I can't tell I'm wearing it. Don't suppose it would suit a larger lady with greater need of support, but as a 38 c I'm still well held!"
I wanted to express my
"I wanted to express my thoughts and also, yes, my disappointment. In late 2024, I ordered what has been 100% the best bralette in my whole life. It was designed by you and was comfortable, super high quality and with great materials. It was OB Core Triangle Bralette in M+ size. Now it has served its time, and I ordered again - I thought, they are so great, I'll just grab a couple. They arrived a few days ago, and I am wearing one for the first time today, and I am sad. The straps are so thin and too elastic to keep my boobs inside, and the triangle for the breast has less coverage. So here I am with half a boob out, going about my day and thinking about how great the product was when I first bought it. I wish OB would reconsider your design, and I hope to purchase this amazing product once again at its full glory."
Comfy and Versatile
"The color is perfect (hazelnut), works under everything. I got an Xs I’m about a 30-32 A and it fits on the largest loop so I have 3 smaller sizes when it stretches out after use. It’s buttery soft. Straps have more than enough length to accommodate short or long torso length. Coverage and cut hides perfectly his under all my shirts, I really like that the straps in the back are not thick triangles that attach to the back strap, they’re just the skinny straps. Love this investment in an organic cotton staple!"
Beautiful triangle bra - lovely
"Beautiful triangle bra - lovely soft material. Love the fact it’s made from organic cotton, almost impossible to find this for bras now! Thick underband and clasped back means despite being a bralette, this is supportive and comfy for everyday wear. Love it!"
Really nice fit and also
"Really nice fit and also great for a bigger bust! But I recommend to size up"
