9 Best Sustainable Workwear Brands For Women 2026
We carefully vet all products and brands featured on Ecothes using our rating guidelines. We may earn a commission at no extra cost to you if you buy through our links.
Are you struggling to find sustainable work clothing that is high-quality, ethical, and suitable for the office? Then, we’ve got you covered.
First, you want to ensure your clothing is comfortable, breathable and helps you to feel confident all day long. Secondly, it’s important your clothes are ethically produced and haven’t don’t harm people or the planet.
We’ve created this list featuring the best sustainable workwear brands creating ethical, sustainable, and affordable workwear.
Let’s jump in.
The Best Sustainable Workwear Brands
1. Baukjen
Sustainability: Certified B Corporation, creating ethical and sustainable clothing from eco-friendly materials, including organic cotton, Tencel, and more.
Best for Blazers, Pants, sustainable work clothes, ethical business outfits
Sizes: UK 6 - 18
Ships to: Worldwide
UK sustainable clothing brand Baukjen creates stylish, on-trend pieces perfect for all occasions.
The brand designs a range of comfortable and chic pants, shirts, turtlenecks, and blazers, perfect if you’re looking for sustainable workwear.
Baukjen ensures that its clothing meets high ethical and sustainable production standards as a certified B corporation.
2. Universal Standard
Sustainability: Ethical production and use of some sustainable materials for its eco-collection
Best for: Inclusive sizes, sustainable workwear collections
Sizes: US 00-40
Ships to: Worldwide
Universal Standard is a size-inclusive clothing brand, changing the way clothes fit for the better.
The brand creates every style in sizes 00-40, ensuring everybody can express themselves through fashion, no matter what shape or size.
The brand has a sustainable collection where it focuses on using sustainable materials, including recycled and eco-friendly fabrics.
The brand even has a workwear collection featuring smart blazers, trousers, and shirts.
3. Able
Sustainability: High-quality, ethical clothing from sustainable and eco-friendly materials
Best for: Blouses, Dresses
Sizes: 2XS-2XL
Ships to: the US & International
Able creates modern accessories and clothing ethically and transparently. It is estimated that only 2% of fashion workers are paid a liveable wage across the whole fashion industry. Able is trying to drive change to ensure all garment workers are paid a living wage.
The brand publishes the wages of all of its employees and suppliers through its nonprofit organization, Accountable.
Able’s clothing collection is modern and stylish, with many styles perfect for a sustainable business look.
4. Eileen Fisher
Sustainability: Certified B Corporation, ethical production, fair wages, organic and responsible materials, size-inclusive
Best for: size-inclusive workwear, business casual
Sizes: XXS-3XL
Ships to: the US & International
Look no further than Eileen Fisher, an American designer who specializes in comfortable and classic clothing for women for size-inclusive workwear.
The brand designs a live/work collection tailored specifically to comfortable and sustainable workwear you can wear all day.
5. Pact
Sustainability: Fair Trade certified ethical fashion made from organic cotton
Best for: Affordable workwear clothing
Sizes: XS-XXL
Ships to: Worldwide
You may not think of Pact as a traditional workwear brand, but Pact has a range of versatile pieces that will fit into your office wear rotation. For example, the dress pictured would look great with a blazer and loafers for a relaxed office look.
The brand also creates affordable business casual clothes, including organic cotton turtlenecks that look great under a tailored blazer.
Pact creates its organic clothing ethically in Fair Trade certified factories, using 100% GOTS certified organic cotton.
6. ASKET
Sustainability: Full brand transparency, sustainable materials, and recycled fabrics, ethical production
Best for: White organic cotton shirt, cashmere sweaters
Sizes: XXS-XXL
Ships to: Worldwide
ASKET is a slow fashion brand creating purposely designed, high-quality clothing that is made to last for years to reduce fashion waste.
We love the must-have white shirt from ASKET; it is the perfect work shirt made with crisp 100% organic cotton.
Plus, you know you’re supporting a brand that cares for people and the planet with full brand transparency.
7. Kirrin Finch
Sustainability: Ethically made clothing, fair labor, and sustainable practices
Best for: Size inclusive Androgynous workwear
Sizes: US 0-24
Ships to: the US
Founded in 2015 by Laura and Kelly Moffat, Kirrin Finch designs versatile, smart clothing for female and non-binary bodies.
The brand uses sustainable practices and ethical production to produce its clothing in accessible sizes up to US 24.
8. Kotn
Sustainability: Certified B Corporation using high-quality BCI Egyptian cotton and giving back to rural communities in Egypt
Best for: Affordable business casual clothes
Sizes: US 0-16
Ships to: the US, Canada, UK, & International
Ethical clothing brand Kotn creates on-trend clothing from high-quality Better Cotton Initiative (BCI) cotton.
Their clothing range also features a collection of affordable business casual clothing, perfect for relaxed days around the office.
The brand uses OEKO-TEX® non-toxic certified dyes to craft its chic styles, and all products are shipped in plastic-free packaging.
9. Patagonia
Sustainability: Patagonia’s industrial hemp workwear is created ethically from natural materials
Best for: Durable and practical sustainable workwear, including work boots, overalls, and jackets
Sizes: XS-XXL
Ships to: Worldwide
If you’re looking for sustainable workwear tailored more towards an outdoor role, you might enjoy the workwear collection available from sustainable clothing brand Patagonia.
Patagonia has led the sustainable fashion industry for over three decades, creating durable and practical outdoor clothing ethically and from sustainable materials.
Wrapping Up: Best Sustainable Workwear Brands
We hope you’ve discovered some new sustainable workwear brands. Each brand featured will be perfect for business casual or professional clothing. If you’re looking specifically for a blazer, you can check out our post on the best sustainable blazers.
If you enjoyed this article, we think you’ll also love our guides on sustainable boots and heels.
