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As we’ve become more conscious about our purchases, we often wonder: Who makes the clothes we wear every day and in what kind of conditions? Documentaries like “The True Cost” shine a light on how the fast fashion industry depletes the earth’s resources and leverages labor to pass on a “cheap” cost to the end consumer.

But our spending—and non-spending—can help make a positive difference for the people and resources involved in the making of our clothing. So when we do need to update our wardrobes, we turn to slow fashion brands like the 35 sustainable fashion brands listed below. Each fashion brand has made it a central part of its mission to approach garment production in an ethical and transparent way that considers both people and the planet. Many of these ethical clothing brands come with third-party sustainable and ethical certifications as well.

If you’re new to shopping for sustainable fashion, you may be surprised by the price tags—but it’s important to understand these brands are not designed to be consumed at the same rate as fast fashion. Instead, these sustainable fashion brands prioritize eco-friendly practices, ethical production standards, timeless design, and high-quality essentials that never go out of style.

For more sustainable clothing, you can check out our guides to responsibly made shoes, sustainable underwear, and even fair trade fashion brands in the UK.

And remember: We don’t have to buy a whole new wardrobe all at once. To create a more sustainable wardrobe, we can simply start with what we have, mend pieces we love most, and build our closets out slowly and intentionally.

Best Overall | Most Affordable | Most Sustainable | Most Size-Inclusive | Most Stylish

1. Patagonia

Best For | Fair trade outdoor clothing
| Certified B Corp, Fair Trade Certified, organic cotton & recycled materials, environmental sustainability initiatives, secondhand shop
Size Range | XXS–2XL; up to US 22
Price Range | $$

Patagonia, one of the earliest defenders of environmental ethics in the industry, was also one of the first to use recycled materials and switch to organic cotton. Patagonia continues to expand its commitment to labor ethics and works with US factories as often as it can, including in Texas and North Carolina. We admire Patagonia for the positive impact its fair trade factories have worldwide, its secondhand Worn Wear collection, and sustainable apparel for all.

2. Pact

Best For | Fair trade organic cotton basics
| Fair Trade Certified, GOTS certified organic cotton, carbon-offset shipping, recycled & biodegradable packaging, donation program for used clothes
Size Range | XS–2XL; up to US 20
Price Range | $–$$

Pact is pretty obsessed with making super-soft sustainable clothes for kids and adults that also make the world a better place. This socially conscious brand goes to great lengths to make sure its entire supply chain, from the growing and harvesting of the organic cotton to the final sewing and all the processes in between, are as responsible and clean as possible. And the non-GMO cotton is great for you and the farmers growing it. Pact is one of our go-to brands for basics and underwear, and offers carbon-offset shipping for a more sustainable purchase.

3. Reformation

Best For | On-trend sustainable clothing
| Climate Neutral Certified, sustainable & regenerative fabrics, safe & fair working conditions, living wages
Size Range | XXS–3X; up to US 24
Price Range | $$$

For the sustainable fashionista, Reformation offers on-trend pieces that will still be stylish long after the season is over. This Los Angeles-based brand creates products only from sustainable and upcycled materials in a fair wage environment. Reformation’s dedication to sustainable production is extensively explained on its website in its signature bold and unabashed style. (Plus, each item comes with a description of its environmental footprint.) They’re one of our favorite brands for sustainable jeans and occasion dresses, and we love that this already climate-neutral brand aims to be climate-positive by 2025!

4. Quince

Best For | Affordable silk & cashmere
| BCSI-certified ethical production, sustainable & organic materials, OEKO-TEX certified, virgin plastic-free
Size Range | XS–XL; up to US 16
Price Range | $–$$

Quince sees sustainability “as the standard, not a luxury.” Its mission is to bring ethical and eco-friendly clothing to the masses at accessible price points, from Mulberry silk tops to cashmere cardigans to sustainably sourced leather bags. Once ready to ship, it’s delivered to you in virgin plastic-free packaging and the team is even shifting to fully compostable packaging. This is a fantastic go-to brand for versatile, effortless, and fashion-forward basics.

5. Sézane

Best For | Elegant workwear and knitwear
| Certified B Corp, fair labor standards, GOTS & OEKO-TEX certified organic & sustainable materials, recycled packaging, recycling program
Size Range | XS–XXL; up to US 14
Price Range | $$$

Born in Paris, France, Sézane believes in sustainable production that benefits people and the planet. The brand started online as a way to cut out the middleman, focusing on zero waste production as much as possible. In 2017, Sézane created a philanthropic initiative, DEMAIN, to help children access education and equal opportunities, giving over 4.5M Euros to date. We’re eyeing the women’s delicate blouses and dresses—ones that can be worn every season. With leather goods, knitwear, denim, shoes, and jewelry, the collection has it all for those who love beauty and quality.

6. tentree

Best For | Cozy, casual essentials
 | Certified B Corp, Climate Neutral Certified; WRAP, BSCI, SA8000, or Fair Trade certified ethical manufacturing
Size Range | XS–XXL
Price Range | $–$$

Using sustainable and comfortable materials, tentree makes Earth-first essentials for the whole family. And as part of its commitment to give back, 10 trees are planted for every item purchased—that’s 73+ million to date (with a goal of 1 billion by 2030)! Designed in Canada and ethically manufactured globally, tentree offers lifestyle and loungewear including cozy sweat sets, t-shirts, cardigans, dresses, and jackets made from sustainable fabrics like Tencel, hemp, and organic cotton. With minimal footprint and maximum comfort, tentree has something for everyone looking to make an impact one step at a time.

7. Amour Vert

Best For | Patterned tops & tees
| Small-batch, made in the USA, eco-friendly packaging, secondhand shop
Size Range | XXS–XL; up to US 14
Price Range | $–$$$

French for “green love,” Amour Vert is all about embracing (and caring for) the environment. The company starts with natural fibers and materials like hemp, ethical wool, and certified organic cotton, and partners directly with mills to develop sustainable fabrics like TENCEL Modal and Lycoell. 97 percent of Amour Vert’s pieces are made in small batch quantities within a few miles of its San Francisco office. For every tee you buy, the company plants a tree!

8. Kotn

Best For | Egyptian cotton wardrobe staples
Ethics | Certified B Corp, BCI certified organic cotton, safe & fair labor standards, plastic-free packaging, OEKO-TEX certified nontoxic dyes, gives back to Egyptian communities
Size Range | XXS–XXL; up to US 16
Price Range | $–$$

Add some luxury to your daily wardrobe with Kotn’s ultra-soft basics, made from Egyptian cotton. From its farms to its factories, Kotn creates all of its garments in a fair and safe environment, and is even helping suppliers make the switch to organic within the next five years. In addition, the certified B Corp has helped impact over 100,000 lives in Egypt by building schools and funding 2,000+ farms. With quality manufacturing, you know its cotton tees will last you 30 wears and beyond—and cozy and impactful every time.

9. Fair Indigo

Best For | Organic basics
Ethics | GOTS certified organic cotton, safe dyes, fair wages, artisan-made, gives back via Fair Indigo Foundation
Size Range | XS–XL; up to US 18
Price Range | $–$$

One thing that is often overlooked when shopping for sustainable apparel is the quality and longevity of an item. Fair Indigo is committed to creating clothes that will last upwards of five years—like the Forever Organic Tees (available in a variety of styles and earth-friendly dyes). The brand’s garments are made with organic Peruvian Pima cotton, grown on a family farm and harvested by hand. With an emphasis on quality apparel, sustainable and ethical practices, and free shipping options, it’s one of our go-to shops for affordable organic basics and artisan-made accessories.

10. ADAY

Best For | Comfortable, minimalist workwear
| OEKO-TEX & Bluesign approved recycled & responsibly sourced fabrics, responsible production, recycling program
Size Range | 2XS–2XL; up to US 18
Price Range | $$–$$$$

For polished workwear that feels more like breathable loungewear, ADAY has you covered. The brand’s thought design is matched with eco-friendly fabrics like LENZING™ Modal and regenerated REPREVE® polyester for pieces that last. We love that many of its factories are solar-powered, use recycled materials, and recycle the water used during production. Designed to be seasonless and with a focus on ease-of-wear (hello, wrinkle-free fabrics), ADAY’s pieces will live a long life in your closet.

11. Girlfriend Collective

Best For | Recycled activewear
| SA8000 certified ethical production, recycled & sustainable materials, circular & take-back initiatives, inclusive sizing, recyclable packaging, eco-friendly dyes
Size Range | XXS–6X; up to US 32
Price Range | $–$$

When it comes to workout wear, compression leggings, and functional skorts, we always turn to Girlfriend Collective. This inclusive brand is making sustainable athletic wear more accessible, with sizing through 6X (there is even maternity activewear!). And nearly all the pieces are made out of recycled plastic bottles—which can be recycled again through its take-back program. We’re fans of the brand’s thoughtful fabrics and production, sleek designs, and diverse imagery—because we all deserve to be seen in the mainstream.

12. Summersalt

Best For | Swimwear & activewear
| Recycled fabrics, recycled packaging, WRAP-accredited factories
Size Range | XS–2X; up to US 24
Price Range | $–$$$

Summersalt, a travelwear brand offering sustainable swimwear, athleisure, and loungewear, turned to women themselves to inform its fit—10,000 women to be exact. Equipped with over 1.5 million measurements, the team has created a versatile and delightful line of garments, from color-blocking one-pieces to light and breezy sweaters. Summersalt pieces are responsibly made in WRAP- and sustainably certified factories, using materials like recycled polyamide, regenerative cupro, and cruelty-free wool.

13. Fair Trade Winds

Best For | Wide range of fair trade brands
 | Fair Trade Federation member, some organic & sustainable materials
Size Range | XS–2X, up to US 24
Price Range | $–$$

Fair Trade Winds carries some of the best fair trade fashion brands committed to creating clothing in an ethical manner. Each piece of the collection represents the hard work of the talented artisans who are working in cooperatives, becoming empowered, and improving the livelihood of their families and communities. Fair Trade Winds is a family-owned business with brick-and-mortar locations around the country in addition to an online shop.

14. MATE The Label

Best For | Loungewear
| Climate Neutral Certified, natural & organic materials, made in the USA, eco-friendly packaging, gives back via 1% For The Planet
Size Range | XS–3X; up to US 20
Price Range | $–$$$

MATE The Label wants you (and your little kiddos) to “dress clean.” And the company makes it easy to do just that by only using natural and nontoxic materials when crafting its clothes—like 100 percent linen & organic cotton and low-impact dyes. Whether you’re looking for a sweat set or maxi dress, all the pieces are cut, sewn, dyed, and sent in eco-friendly packaging from downtown Los Angeles. Plus, MATE is climate-neutral and gives back to environmental causes. (Head here to see more of our favorite made-in-USA clothing brands!)

15. Whimsy + Row

Best For | Feminine tops & matching sets
| Made in the USA, deadstock & certified organic materials, fair labor standards, limited-run batches, eco-friendly packaging, carbon-neutral
Size Range | XS–XL
Price Range | $$–$$$

Whimsy + Row is creating uber-sustainable high-quality garments for the modern, creative woman—elevating our daily wardrobes with a sense of ease and elegance. From flirty dresses to practical classics like cropped wide-leg pants in your favorite seasonal colors, these pieces will be your most well-loved staples for years to come. Most of Whimsy + Row’s pieces are made responsibly in Los Angeles from deadstock fabrics, which means it’s making the most out of would-be waste material.


Best For | Versatile capsule pieces with a twist
| On-demand production, made in Spain, LWG Leather, fair labor factories, some sustainable and recycled materials used
Size Range | XS–XXL
Price Range | $$–$$$

ALOHAS is committed to a sustainable on-demand model to eliminate waste from overstock. Working from pre-orders, they make only what is needed, filling happy customer carts and not the landfill. Their Spanish factories are externally audited to maintain the highest level of fair labor practices, and their Second Life Project uses cactus and corn leathers along with other recycled materials for soles, heels, caps, and linings. Come here for well-made, elevated classics with updated details, perfect when your style hasn’t quite changed but you’re interested in a revamp.

17. Christy Dawn

Best For | Petite & extended sizing dresses
Ethics | Ethically made in the USA & India, organic & deadstock fabrics, regenerative farming practices
Size Range | XS–3X; up to US 24
Price Range | $$$–$$$$

Christy Dawn hopes only to take inspiration from Mother Earth—and nothing else. This sustainable brand works primarily with deadstock or surplus fabric that would otherwise be wasted along with organic cotton, rather than conventional textiles. Most recently, Christy Dawn has taken it a step further to invest in regenerative farming practices through its Farm-to-Closet initiative in India. There’s so much to love here, from a line of petite and extended sizing to maternity-friendly pieces.

18. Cuyana

Best For | Chic minimalist essentials
| Ethically made by craftspeople, 96 percent sustainably made, BlueSign, OEKO-TEX, & GOTS certified pieces, repair & give-back programs
Size Range | XS–XL; up to US 14
Price Range | $$$–$$$$

Cuyana is an essentials brand for the modern woman seeking to build her wardrobe on the “fewer, better” principle—so if you’re looking for elegant and long-lasting capsule wardrobe pieces, Cuyana has them. This global fashion brand creates each piece with integrity from the highest-quality materials in Europe, South America, and the United States. We especially love the Lean Closet initiative, where Cuyana makes it easy for you to donate clothing to women in need in exchange for store credit.

19. Shaina Mote

Best For | Elevated basics, capsule wardrobes
| Made in Los Angeles with fair practices, water & energy efficient production, use organic cotton when possible, recycling & repair programs, eco-friendly recyclable packaging
Size Range | 0–18, XS–XL
Price Range | $$$$

Shaina Mote founded her eponymous label when she was just 21 years old, after her early career as a buyer revealed the unsustainable practices of fast fashion. With an ethos about the interconnectedness of our lives, businesses, and nature, the brand seeks to create slow-made, thoughtful pieces with low-impact production and sustainable sourcing practices. The collections celebrate simplicity and timelessness, and packaging is plastic-free, biodegradable, and recyclable.

20. Organic Basics

Best For | Loungewear, activewear, underwear
Ethics | Certified B Corp, low-waste & ethical production, eco certified organic & sustainable materials, recycled packaging, gives back to environmental causes, vegan friendly
Size Range | XXS–XXL
Price Range | $–$$

Organic Basics aims to create all your basics at a higher level: their motto, “Basically Better Made” says it all! They use sustainable materials like regenerative organic cotton, Italian eco-certified recycled nylon, and TENCEL™ Lyocell sustainable sourced from central European forests, and they are also transparenty about their ethical production. We particularly love their undies and lounge sets, and everything except their wool and cashmere collections are PETA-approved vegan.

21. ABLE

Best For | Feminist brand supporting women
| Certified B Corp, female artisan-made, fair labor practices & wages
Size Range | XXS–3X up to US 26/28W
Price Range | $–$$$

ABLE believes that to end cyclical poverty, you must create economic opportunities for people, especially women, to provide for themselves. The beautiful bags and wardrobe staples are made all over the world by fairly paid women who have overcome extraordinary circumstances. We love that ABLE offers a size swap collection too—for when life (and your body) changes—no matter how long it’s been. The brand also stands behind every product they make with a lifetime guarantee. If a product isn’t holding up according to these standards, they promise to repair or replace it. It doesn’t get more sustainable than that.

22. For Days

Best For | Organic cotton basics, breezy linen
| Organic and recycled fabrics, closed loop system & take back program, recycled packaging, gives back to nonprofits through Beam, carbon-neutral shipping
Size Range | XS–2XL
Price Range | $–$$$

Say hello to For Days, the future (or rather, the present) of sustainable fashion. We love this Los Angeles-based apparel brand for their sustainable clothing, but also because they are working hard to ensure garments stay out of landfills via Take Back Bags and recycling programs (customers can receive $5 of closet cash for every For Days item recycled!). Shop here for organic cotton staples for the whole family and then use a bag to send in your old garments for recycling. Oh, and shipping is carbon-neutral, of course!

23. Boden

Best For | Dresses for any occasion
| Fair trade production, BCI certified & sustainable cotton, ethical supply chain
Size Range | XS–XL; up to US 22
Price Range | $$–$$$$

Boden has spent nearly 30 years taking the UK by storm, and now it’s worldwide. The company is committed to responsible sourcing, fair trade, and ethical practices across the 15 countries it has factories in, as well as eco-friendly options at every part of the supply chain. While the apparel runs the gamut from men’s chinos to children’s clothing, we’re most excited about the women’s dresses for work, the beach, and everything in between. With stunning silhouettes and whimsical patterns, you’ll find the responsibly made piece of your dreams.

24. Levi’s

Best For | Children’s & teen’s denim
Ethics | Some sustainable fabrics, inclusive sizing, secondhand shop
Size Range | 2XS–4X; up to US 28
Price Range | $–$$

Donned by cowboys, presidents, and everyone in between, Levi’s is known for being the face of denim—with a presence in more than 100 countries. And the team has always been at the forefront of change and progress: The brand touts eco-friendly and sustainable practices like recyclable denim, ethically sourced cotton, and innovations to reduce water use, in addition to giving back to its workers and community organizations alike. Find apparel (some discounted secondhand!) for the entire family that continues to stay “in”…and lasts.

25. Boody

Best For | Bamboo workout clothing
| OEKO-TEX & ECOCERT certified bamboo, WRAP certified ethical production
Size Range | XS–4XL
Price Range | $

For bamboo basics that won’t break the bank (try saying that five times fast), check out Boody. Globally based in Sydney, AUS with a US HQ in San Diego, this sustainable brand leverages the power of fast-growing, sustainable, and anti-bacterial bamboo for its super-soft clothes. The range includes casual bodysuits, cozy leggings, and impossibly soft loungewear—not to mention the impressive undies collection. Everything’s thoughtfully and responsibly made, just waiting to be worn and enjoyed.


Best For | Casual everyday wear
 | GOTS-certified organic cotton, TENCEL modal & lyocell, deadstock fabrics, recycled buttons, non-toxic dyes
Size Range | XS–XXL
Price Range | $$

LA RELAXED believes in responsible design, which they achieve by designing and making everything under one roof in LA; they say they measure their impact not by footprint, but footsteps, creating each garment in under 100 footsteps. Their super eco-conscious approach to clothing manufacturing still results in relaxed and fun styles for casual, every day life. LA RELAXED holds themselves accountable to six pillars of responsible design including sourcing from within a 10-mile radius and never sending any garment to a landfill.

27. Thought Clothing

Best For | UK organic clothing
| GOTS certified organic & sustainable fabrics, safe & fair labor & wages, eco-friendly packaging, ECOCERT certified
Size Range | XS–XXL; up to US 16
Price Range | £–£££

Thought is a London-based clothing brand with a simple philosophy: to design and make beautiful, timeless fashion while caring for our environment. This green company has developed long-lasting relationships with factories and suppliers, and it works to ensure that every team member involved is treated respectfully with fair wages and working conditions. Thought is one of our favorites for workwear, and also donates its production samples seasonally to support women transitioning back into the workforce.

28. Back Beat Co.

Best For | Tencel & hemp apparel
| Many made in the USA, ethical production, GOTS certified organic cotton & sustainable materials, recycled packaging
Size Range | XS–XXL
Price Range | $–$$$

Back Beat Co. is a one-of-a-kind brand that aims for effortless Cali skater or surfer vibes. Using fabrics like recycled cotton, hemp, and Tencel, it crafts fun fashion basics that are a staple to any closet. Based in Los Angeles, the apparel is often made with small family-owned businesses while also keeping a low environmental footprint, and some are ethically made in India as well. Plus, it uses recycled paper mailers and compostable bags when shipping. You’ll be so glad to add this affordable brand to your rotation.

29. TomboyX

Best For | Size and gender inclusive garments including intimates
Ethics | Sustainable & OEKO-TEX 100 certified fabrics, B Corp certified, ethically made in Asia & South America, eco-friendly packaging, inclusive sizing
Size Range | 3XS–6X
Price Range | $–$$

TomboyX specializes in creating unisex garments for your entire wardrobe: underwear, activewear, swimwear, and ever accessories for bodies of all shapes, sizes, and gender expressions. Their thoughtful attention to bodies extends to their production practices, and each piece is made without harmful chemicals or wasteful packaging. The brand uses a water recycling program and ethical factories in Asia and South America. Working directly with suppliers and factories, TomboyX is diligent about their supply chain, which we love to see!

30. Avocado

Best For | Breathable & cozy pajamas
| Certified B Corp, GOTS certified organic & biodegradable fabrics, MADE SAFE certified, nontoxic dyes, gives back to anti-hunger causes & 1% For The Planet
Price Range
| $$–$$$$

From natural bedding company Avocado comes a new responsible fashion brand. With ribbed sweaters made from renewable alpaca fiber, ultra-breathable modal pajama sets, and organic cotton tees, the collection is full of comfy basics and loungewear that are super soft and ethically sourced. Plus, every purchase from the certified B Corp feeds one person in need so you’ll feel good wearing these clothes, in more ways than one.


Best For | Jumpsuits & trousers
| Ethical manufacturing, recycled & organic materials, secondhand shop, low-waste production, eco-friendly packaging
Size Range | XS–XL; up to US 12
Price Range | $–$$$

LACAUSA is as clever as it is conscious. The name La Causa is Spanish for “The Cause,” and it also represents the company’s Los Angeles location. (LA, CA, USA, get it?) Whether you’re shopping for a flowy dress reminiscent of warm, breezy weather or you’d prefer a jumpsuit to pair with your favorite mules, this ethical and sustainable brand is where classic meets comfort. Most garments are made in LA, and for the apparel crafted overseas, the brand ensures fair factories, living wages, and healthy working conditions for all. LACAUSA gives back quarterly to various charities.

32. Outerknown

Best For | Jeans
| Fair Labor Association & Bluesign certified manufacturing, secondhand shop
Size Range | XS–XL; up to US 16
Price Range | $$–$$$

Looking for durable classics that transcend season? Outerknown has ‘em. This green brand knows that a truly conscious company needs to consider both people and the planet before, during, and post-production. The team works with global partners who offer fair wages and practice sustainable production, carefully detailing every partner on the site. It’s also been a leader in creating many sustainable firsts, including recycled plastic trunks. The California-cool aesthetic for all genders, matched with the brand’s ethics, has us excited to come back for more—even through its secondhand shop!


Best For | Organic linen clothing
Ethics | Certified B Corp, Fair Trade Certified collections, circular & secondhand initiatives
Size Range | XXS–3X; up to US 28
Price Range | $$$$

EILEEN FISHER is an industry leader in ethical and sustainable fashion. The company believes social and environmental injustices are a reason to do business completely differently, and carefully oversees its entire supply chain to ensure fair working wages. The brand is also on a mission to be a leader in circular systems, taking back old pieces of apparel and making new ones whenever possible. Otherwise, it crafts stunning organic cotton, recycled nylon, silk, and linen clothing—without hazardous chemicals.

34. Hackwith Design House

Best For | Long-lasting investment pieces
| Ethically made in the USA, made-to-order, inclusive sizing, limited-run batches, secondhand shop, low waste
Size Range | XS–4.5X; up to US 28
Price Range | $$$–$$$$

Minnesota-based Hackwith Design House is designing pieces with one goal in mind: for that piece to be your favorite. The apparel, all made in the USA, features simple and clean basics for every season. Plus, you can find swimwear and inclusive size options, too. Many products are made-to-order, reducing waste and ensuring that your piece is a true one-of-a-kind. Hackwith Design House’s soothing, in-style color palette is perfect for the minimalist looking to invest in clothing that will last a lifetime.

35. Sotela

Best For | Flexible fits
| Ethically made in the USA, organic & sustainable materials, made-to-order, recycled packaging, inclusive sizing
Size Range | 0–30 (see sizing details here)
Price Range | $$–$$$$

Our bodies change and fluctuate every single day; whether it’s from bloating, weight change, or pregnancy, the list goes on and on. The team behind Sotela wants you to celebrate your body in any and all forms. Its line of body-positive women’s apparel uses flexible sizing so that your body can look relaxed and confident in any outfit, any day. All of the apparel is made in-house in its LA studio, utilizing eco-friendly fabrics like TENCEL & linen whenever possible, and shipped to you in recycled packaging.

Featured image is from Summersalt