Credit: Girlfriend Collective This adorable Girlfriend Collective workout set? Oh yeah, it's made from recycled water bottles—and it comes in an extended size range that flatters and supports every body shape and size. Though functional enough for the gym, the Seattle-based activewear brand's ethically-made, eco-friendly sets are so cute you'll want to wear them everywhere.
- Price: $
- Certifications: produced in SA8000-certified Fair-Trade factories, recycled fabric is certified Standard 100 by Oeko-Tex
- Best for: Workout clothes
2
These Transparently-Priced Essentials
Everlane
There's no excuse for buying fast fashion when you can grab eco-conscious, responsibly sourced styles at Everlane for pretty much the same price. What truly sets the brand apart from others is its transparent pricing. While most remain tight-lipped about what they pay for labor and materials, Everlane puts it right on the product page. See for yourself!
- Price: $
- Certifications: uses GOTS-certified organic cotton and leather sourced from Leather Working Group Gold-certified suppliers
- Best for: Work-to-weekend basics
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3
This Carbon-Neutral Fashion Brand Celebs Love
Reformation
Reformation's lengthy list of celebrity fans includes—clears throat—Taylor Swift, Olivia Rodrigo, Emma Watson, Kendall Jenner, Jisoo, Selena Gomez and last but certainly not least, Sarah Jessica Parker. The It-Girl brand has dresses, jumpsuits, and matching sets for every occasion. Need I say more?
- Price: $$
- Certifications: certified carbon neutral, blue-sign System partner, Fur Free Alliance retailer
- Best for: Wedding guest dresses
Making eco-friendly fashion choices doesn't require going full granola or going broke, and Warp + Weft is proof. While a typical pair of jeans takes around 1500 gallons of water to produce (crazy, right?), Warp + Weft's take less than 10 gallons thanks to its innovative water recycling and dying techniques. Best of all, cute styles like these flare-cut jeans come in plus sizes, too.
- Price: $
- Certifications: uses recycled cotton and cotton certified by the Better Cotton Institute
- Best for: Affordable jeans
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5
These Fair-Trade Wardrobe Essentials
PACT
PACT is the place to go if you're looking for affordable, eco-friendly clothing that you can wear season after season. The brand has sundresses, button-ups, loungewear, bras, undies, you name it—and there's a good chance you can score your new carbon-neutral cuties on sale.
- Price: $
- Certifications: Fair Trade, uses GOTS-certified materials, zero net carbon emissions through SimpliZero
- Best for: Casual tops and pants
Founded in 1973, Patagonia walked so that all those cute outdoorsy sets on your IG feed could run. Despite all the trendy sustainable brands that have come along over the years, Patagonia's retro fleece pullovers and puffer jackets (made from recycled polyester) are still the crème de la crème. Treat yourself to one now, and you'll be wearing it for decades to come. Plus, you'll be helping the brand fund grassroots environmental groups.
- Price: $$
- Certifications: B-Corporation, blue-sign System partner, 1% for the Planet, Fair Trade-certified, uses responsible down and wool
- Best for: Gorpcore jackets and coats
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Farm Rio's bold prints and interesting design details make its statement pieces the type you keep for life. Based in Rio de Janeiro, Brazil, the boho-chic design collective is doing its part to preserve local rainforests by planting a tree for every item purchased. Plus, the certified B-corp prioritizes eco-friendly materials and transparent supply chains. All to say, your cute new statement piece is a net positive.
- Price: $$$
- Certifications: B-corporation, One Tree Planted partner
- Best for: Birthday dresses and vacation outfits
8
This Water-Saving Denim Brand
DL1961
DL1961 is a sustainable denim brand that has an innovative ~waterless~ system that uses less than 10 gallons of water per pair of jeans—98% of which is recycled through an in-house treatment plant. To further reduce waste, DL1961 uses recycled fabrics from old jeans, which is why fashion legends like Anne Hathaway, Gigi Hadid, and Jennifer Lawrence are fans of the brand!
- Price: $$
- Certifications: Recover partner
- Best for: Timeless jeans and tees
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LA Relaxed's sustainability efforts go above and beyond using organic cotton (as they should!). The LA-based brand's high-quality basics are locally produced in small batches using deadstock (read: leftover) fabrics and eco-friendly materials from well-vetted suppliers. Eliminating international shipping altogether makes the carbon footprint of these cute tees and tanks teeny-tiny compared to other brands, especially fast fashion giants.
- Price: $
- Certifications: Uses GOTS-certified organic cotton and bluesign-approved dyes
- Best for: Basic tees and tanks
10
This Celeb-Loved Sneaker Brand
Veja
Veja sneakers are like catnip for eco-conscious celebs and Cosmo editors alike (Taylor Swift, Kourtney Kardashian, Lily Collins, Kate Middleton, Katie Holmes, and Veja's other famous fans are onto something). While most sneaker brands rely on petroleum-based synthetic rubber and polyester, the fashion B-corp makes its shoes with responsibly sourced Amazonian rubber, organic cotton, and recycled polyester. Plus, they're so transparent about where they source their materials and make their products.
- Price: $$
- Certifications: B-corporation, uses GOTS-certified organic cotton
- Best for: Everyday sneakers
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There's a v good chance you've already seen Marine Serre's signature crescent moon print on your social media feed, as it's been worn by everyone from Bey to Kylie J. The 2017 CFDA Award winner is undoubtedly one of influencers' and celebs' fave sustainable fashion brands, thanks to her focus on upcycled and eco-friendly materials. It doesn't hurt that Marine Serre's second-skin bodysuits and patchwork prints feel right on trend for 2024, either.
- Price: $$$
- Certifications: uses Global Recycled Standard-certified materials
- Best for: Second-skin layering pieces
12
This B-Corp's Timeless Styles
KOTN
Warning: Once you start wearing KOTN, you won't want to wear much else. The certified B-corporation's minimalist styles strike just the right balance between trendy and timeless. You'll be obsessed with them now, next year, and a decade from now.
The brand describes its transparent supply chain as "farm to table for your clothes." Meaning that the cute linen blazer or cotton tank you just added to your cart is helping create stable, fair-paying jobs on small farms in Egypt and fund education in these communities. A real win-win.
- Price: $$
- Certifications: B-corporation, uses materials certified by the Better Cotton Initiative and Responsible Wool Standard
- Best for: Casual dresses and tops
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13
These Cult-Favorite Hoodies and Sweats
Pangaia
In a world where every brand makes sweatshirts and sweatpants, Panagia sweatsuits are still the gold standard—and who could forget when Harry Styles broke the internet in his hot pink Pangaia hoodie! The B-corp's casual basics are made using traceable, regenerative cotton in factories that prioritize garment workers' health, and they come in a rainbow of mix-and-matchable color options. This 365 hoodie and track pants combo (offered in both midweight and heavyweight cotton) will be your go-to set for years.
- Price: $$
- Certifications: B-corporation
- Best for: Sweatshirts and sweatpants
Hyer Goods is giving handbag girlies something to celebrate. To reduce textile waste, the sustainable accessories brand uses deadstock leathers and leftovers from the luxury handbag industry to create its timeless everyday styles. Your cute new bag will look and feel just as ~expensive~ as any big-name designer brand, but it'll have a far smaller carbon footprint.
- Price: $$
- Certifications: Verified Carbon Standard carbon neutral, SA8000-compliant working conditions
- Best for: Leather bags
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No outfit is truly complete without a touch of sparkle, which is why I couldn't help but include the sustainable jewelry brand Ana Luisa as one of my eco-fashion faves. From everyday studs to solid gold hoops, every Ana Luisa piece is made using ethically sourced materials. Just as importantly, the company regularly audits its factories to ensure fair working conditions, and it offsets its carbon emissions, too.
No fabrics in our polyester-filled world are more luxurious than true silk and cashmere. Sustainable silk and cashmere are Lilysilk's specialty, and they're picky, picky, picky when it comes to suppliers.
Over the past few seasons, they've become a cornerstone of my closet. So much so that the brand is one of the first I rec to friends searching for sexy slip dresses and keep-forever layering pieces. They advocate for "zero waste, zero scraps and zero leftover inventory," so how can I not?
- Price: $$
- Certifications: One Tree Planted partner, uses OEKO-TEX Class 2 silk
- Best for: Silk dresses and tops
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Meet your next obsession: Outerknown. The fashion brand prides itself on its ethical production practices and sustainable fabric choices, partnering with B-corporations and non-profits to make your purchase even more impactful. Known best for its casual button-ups and tees, you can find all sorts of hidden gems like this terrycloth matching set ahead of summer.
- Price: $$
- Certifications: Fair Trade, uses GOTS-certified organic fabrics
- Best for: Casual shirts
It's all too easy to forget that the clothes you wear are sewn together by real people with real hands—but not if you shop at Cleobella. Artisans are the heart and soul of the brand, as is sustainability. From swimwear and beach cover-ups to work blouses and wedding guest dresses, every ethically made style helps fund STEM courses for young women, remove ocean plastic, and plant trees through Cleobella's various partnerships with global non-profits.
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Sustainable fashion wouldn't be what it is today without Stella McCartney. A longtime vegetarian, she's paved the way with her responsibly sourced cashmere and forward-thinking, eco-conscious leather alternatives. Her clothing, handbags, and shoes are certainly an investment, but a worthwhile one for any eco-conscious cool girl who's ready to splurge on a designer piece. Anything you score from Stella McCartney (or her popular Adidas collab) has the style and quality to last a lifetime.
20
This Ethical Cashmere Label
Naadam
I'm a sucker for Naadam cashmere sweaters. Not only are the yarns they use really, reallllyyyy soft, but they're also sourced directly from traditional Mongolian herders (who often get screwed over by middlemen) to ensure they earn a fair wage. Lucky for us, Naadam's close relationship with its suppliers also helps shoppers score designer-quality cashmere at a much more reasonable price.
- Price: $$
- Certifications: offsets emissions via the Carbon Fund
- Best for: Cashmere sweaters

Sarah Maberry is a fashion and luxury commerce editor at Hearst Magazines, where she covers fashion, beauty and pop culture. A seasoned trend forecaster and fashion historian, she analyzes viral products and trends on a deeper level, helping readers determine what's worth buying. When she’s not writing for ELLE, Harper’s BAZAAR, Town & Country, Esquire, Cosmopolitan and other publications, she can be found roaming the Museum at FIT (her alma matter) or sewing her own couture while she binge-watches reality TV.

Megan Uy is an associate shopping editor at Cosmopolitan, where she searches for the best products in all things fashion, home, beauty, sex, gifts, and more, so you don’t have to. When she’s not writing for the site, she’s whipping up some cool and trendy content for the fashion section of the print magazine. She’s been with the brand since 2019 (when she was an itty-bitty editorial fellow), and she's also written for Delish, House Beautiful, and People. Follow her on Instagram to get some BTS of the editor life and chaotic NYC content. Also, feel free to hit her up if you ever wanna discuss the madness that is TikTok.
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