$$-$$$
Asian 65A–80C equivalents
Aimer
Materials
Seaweed HICEL® viscose, Zero-Carbon Silk™ Modal
Stand Out Features / Values
Transparency (audited life-cycle data online)
ESG reports & on-site solar arrays
Tech-Forward Fabrics
Certifications
Notes
Offers trade-in kiosks. Uses innovative, bio-based materials.
- HQ: Beijing, China
$ - $$
XS – XL
Boody
Materials
Organic bamboo viscose, nylon, spandex
Stand Out Features / Values
Supportive, comfortable, breathable
Good value, discreet, moisture & heat repellent
Barely-there feel, mostly natural fibers.
Certifications
ECOCERT, FSC®, PETA Vegan Approved, OEKO-TEX (Standard 100), Certified B Corporation
Notes
Uses a blend of bamboo viscose with nylon and spandex.
- HQ: Sydney, Australia (founded) / London, UK (UK office)
$$-$$$
XS (28 - 30) - XXL (44)
Branwyn
Materials
RWS-certified ZQ Merino ethical wool
Stand Out Features / Values
Performance innerwear made of natural fibers
Responsibly sourced Merino wool, OEKO-TEX sustainably dyed
Aims for 100% compostable by end of 2025
Certifications
RWS-certified, ZQ Merino, OEKO-TEX, REACH-compliant
Notes
Uses a high percentage of Merino wool with nylon and spandex. Gynecologist Approved.
- HQ: Not explicitly stated
$$$
XS – XL + custom sizing
Colie Co.
Materials
Organic, recycled, and deadstock materials (TENCEL™ Lyocell (96% LENZING™ Lyocell, 4% elastane), RPET recycled polyester (85% RPET, 15% elastane), bamboo silk)
Stand Out Features / Values
Reclaimed & sustainable materials
Low waste production, made-to-order
Ethically made in Portugal
Certifications
SANE Standard certification, OEKO-TEX STeP (for elastics suppliers), GOTS, OCS, GRS, RCS (for some materials)
Notes
Uses a mix of natural fibers (TENCEL™, bamboo silk) with recycled synthetics (RPET) and deadstock. Recognized as one of planet’s 50 most sustainable fashion brands.
- HQ: Portugal
$$$-$$$$
28DD - 36J
Cosabella
Materials
Polyamide, elastane, cotton, modal (some collections use recycled synthetics)
Stand Out Features / Values
Ethically-made, slow fashion approach
Natural dyes
Some use of recycled synthetics in past collections
Certifications
OEKO-TEX Standard 100
Notes
While they use cotton and modal, many styles are primarily synthetic (polyamide/elastane).
- HQ: Italy
$$$
S – 3XL
Earth and Elle
Materials
Hemp, organic cotton blend
Stand Out Features / Values
Sustainable materials
Small batch production, body-inclusive models
Made in Canada, low impact dyes
Certifications
GOTS Organic Cotton
Notes
Focus on 100% natural fibers (hemp, organic cotton) for their bras.
- HQ: Canada
$$$$
XS - 3X
Etalon
Materials
81% recycled rPET (from recycled post-consumer plastic bottles)
Stand Out Features / Values
Posture-supporting
Sponsors collection of a pound of trash for every bra sold
Woman-run brand, woman-owned factory, Orthopedist-approved
Certifications
SA8000, BSCI, SEDEX, GRS Certification
Notes
Primarily made from recycled plastic (rPET). Poly mailers made of 100% recycled plastic.
- HQ: Marin County, CA, USA
$$
XXS – XXL
Everlane
Materials
Recycled nylon, elastane, Organic Cotton
Stand Out Features / Values
Well-made, comfy, seamless, soft, thin cotton
Provide a feeling of structure, perfect for wearing under higher-waisted pants
Comfortable high rise, tagless design.
Certifications
Organic Content Standard (OCS), Good Earth Cotton®
Notes
Uses organic cotton for some basics, but bras often include recycled nylon and elastane. Aims for 100% preferred materials by 2025.
- HQ: San Francisco, CA, USA
$$-$$$
XS – 4X
$
28AA–36B
Fruit of the Loom
Materials
Cotton (94% from U.S. growers), some collections use LENZING™ ECOVERO™ fibers or Recover™ cotton
Stand Out Features / Values
Sourcing 94% of cotton from U.S. growers
Aiming for 100% responsibly grown fiber by 2026
Wide retail reach, honest pricing.
Certifications
Better Cotton Initiative, OEKO-TEX®
Notes
Strong focus on natural cotton sourcing, some newer collections use more sustainable viscose or recycled cotton blends. OEKO-TEX® for 100% of European production in 2024, aiming for broader certification.
- HQ: Bowling Green, KY, USA