Every pair of jeans you buy took roughly 2,000 gallons of water to produce. Every cotton t-shirt, about 700 more. The clothes you wear are the second-largest consumer of water among all industries, and fashion as a whole generates as much carbon as international aviation and maritime shipping combined. Where and how you shop makes a big difference for the planet that you want to get outside, into nature, and enjoy.
Men’s clothing brands are making the moves to reduce damage to the nature. They’re using organic and recycled fibers, paying fair wages, publishing their supply chains, repairing garments for free, and planting trees. Some are even rethinking what fabric itself can be made from.
Still, fast fashion is growing by more than 10% each year and could double to $291 billion by 2032. Only 0.3% of textile fiber worldwide is recycled, and 85% of discarded clothing in the U.S. goes to landfills. The brands here are working hard to change that, which is why they deserve your support.
The Ellen MacArthur Foundation’s A New Textiles Economy report says that if we doubled how often we wear each piece of clothing, greenhouse gas emissions from clothing would drop by 44%. The best way to help is to use what you already have. After that, buying from brands that are truly making an effort is the next best step. Here are 12 such brands.
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The Brands
1. Nudie Jeans
Nudie Jeans has built one of the most honest sustainability programs in denim. Their 2024 report shows that 93% of fiber usage is organic, Fairtrade, or recycled cotton, and in 2024 they finalized their first garments made from regenerative organic cotton—farming that doesn’t just avoid harm but actively rebuilds soil health. They also run 33 free-for-life repair shops across 20 cities, repaired 68,342 pairs of jeans in 2024, and sell pre-owned jeans directly on their site. If you want denim that’s designed to be worn, repaired, and worn again rather than replaced, this is the brand.
Current Pick: Gritty Jackson Jeans
The Gritty Jackson is Nudie’s main men’s jean, with a regular straight fit made from 100% organic cotton. It now comes in styles that use the new regenerative organic cotton. Buy directly from Nudie to use their repair program, or find them on Amazon.
2. Asket
Asket operates on a simple premise, that the most sustainable garment is one you already own. So, the Swedish brand makes a permanent, no-new-seasons collection and publishes the full CO₂ impact and material traceability of every single product on its website. No other brand in this guide is more transparent about what your clothes are made of and what it cost the planet to make them.
Current Pick: Oxford Shirt
The Oxford Shirt comes in seven colors, is made from 100% yarn-dyed cotton, and carries a disclosed CO₂ impact of 5.5 kg per shirt. It’s the kind of shirt you buy once and wear for a decade. Asket ships directly to the U.S and offers full transparency data for your purchase.
3. prAna
prAna is a great choice for men who want clothes that work for hiking, yoga, or a night out. The brand uses recycled and organic fibers, supports Fair Trade, and shares full supply chain details, including factory names and conditions. Since being bought by Columbia Sportswear in 2014, prAna has kept its focus on sustainability and uses bluesign® certified fabrics.
Current Pick: Stretch Zion Pant II
The Stretch Zion Pant II is prAna’s top men’s pant, made from recycled nylon and bluesign® certified. It’s built for climbing and hiking but comfortable enough for travel. You can find it on Amazon.
4. tentree
tentree has planted over 120 million trees in 13 countries and aims to reach one billion by 2030. That’s ten trees for every item sold. The brand is a certified B Corp, has been carbon-neutral since 2022, and uses organic cotton, TENCEL™ lyocell, hemp, and recycled polyester. They also run a Circularity program that takes back clothes from any brand for resale or recycling. In 2024, they funded 100 beehives at planting sites in Kenya to help support local communities after reforestation projects end.
Current Pick: Juniper Classic Hoodie
The Juniper Classic Hoodieis made from recycled polyester and organic cotton. It’s a simple, versatile layer that comes with tentree’s tree-planting promise. You can find it on Amazon.
5. Warp + Weft
Warp + Weft might be the most underrated brand here. While regular jeans use about 1,500 gallons of water to make, Warp + Weft jeans use less than 10. They treat and recycle 98% of their water, power their mill with solar panels, and use Dry Ozone technology instead of chemical bleaching. All their pieces cost under $100 and come in sizes up to 3X, making sustainable denim more accessible. Their Fall 2024 collection added stretch corduroy, knit denim, and a new relaxed-fit men’s jean.
Current Pick: GRR Relaxed Jean
The GRR Relaxed Jean has a mid-rise and loose leg, made from Warp + Weft’s low-water denim. You can find them on Amazon.
6. Everlane
Everlane ranked first in Remake’s 2024 Fashion Accountability Report, beating 52 other brands and earning its highest score ever. Their 2024 impact report shows that 90% of their materials now meet lower-impact standards, and they have cut Scope 1–3 emissions by 52% since 2019. The ReNew collection, made from recycled plastic bottles and fishing nets, has grown, and 95% of the cotton Everlane uses is certified organic, regenerative, recycled, or farm-traceable. A 2020 labor scandal still affects their “radical transparency” claims, and their goal of 100% preferred materials by the end of 2025 is still in progress. Still, the data shows real improvement.
Current Pick: The ReNew Fleece Jacket
Made from 100% recycled materials and bluesign®-approved dyes, the ReNew Fleece Jacket is the updated staple of the ReNew collection. It’s versatile enough for layering in spring and fall.
7. Nau
Nau started in Portland in 2005 with the goal of proving that business could be a force for environmental good. Now owned by South Korean outdoor company Black Yak, the brand continues to make versatile performance-lifestyle clothing from recycled polyester, organic cotton, TENCEL, and ethically sourced Merino wool, using PFC-free coatings instead of the persistent chemical water repellents most outdoor brands still rely on.
Current Pick: Latitude Crew Pullover
The Aeroshell Hooded Shirt is made from recycled nylon and works well for both city commutes and weekend hikes. You can find Nau on Amazon.
8. Thought Clothing
Thought Clothing, formerly Braintree, is a UK brand built on natural, traceable fibers: hemp, organic cotton, TENCEL, bamboo, recycled polyester, and Merino wool. Their packaging is compostable cornstarch or recycled paper. Hemp is the standout material here—it requires roughly 300–500 liters of water per kilogram to grow, compared to nearly 10,000 liters for conventional cotton. If you’re looking for warm-weather shirts that wear well and wash easy, Thought is worth the international order.
Current Pick: Golf Socks with Panache
The Kinley Golf Course Bamboo Socks in Cobalt Blue are a standout from Thought’s men’s sock line — a golf-course-ready pattern built from a blend of 53% bamboo-derived viscose, 28% recycled polyester, 16% organic cotton, and 3% elastane. Bamboo is one of the fastest-growing renewable crops on the planet, and in fabric form, it delivers genuine performance benefits: the material is naturally breathable, antibacterial, and antifungal, with zero plastic packaging. £7.95 direct from thoughtsocks.com, with international shipping available.
9. Pact
Pact is the easiest brand to start with on this list. They use GOTS-certified organic cotton, Fair Trade Certified™ factories, offer optional carbon offsets at checkout, and use 100% post-consumer recycled packaging. Their prices are much lower than most sustainable brands. Pact covers the basics: underwear, t-shirts, socks, and pants. If you’re just starting to move away from fast fashion and don’t want to spend $100 on a hoodie, this is a good place to begin.
Current Pick: Daily Twill Midweight Pant
The Daily Twill Midweight Pant is an organic cotton trouser with an elastic waistband and drawcord—equally at home at a desk or on a trail. Their Backyard Collection adds organic cotton shorts and button-ups for summer. Find Pact on Amazon.
10. PANGAIA
PANGAIA has moved well beyond the recycled cashmere hoodie it was known for in 2021. The brand now functions as a material science company developing fibers from seaweed (C-FIBER™), fruit waste (FRUTFIBER™), nettles (PANettle™ Denim), and plant-based nylon ((gaia)PLNT). Their PPRMINT™ natural peppermint oil treatment discourages odor-causing bacteria, which means you wash less, and every wash avoided is microplastics not released into waterways. If you want to wear something genuinely on the frontier of what sustainable textiles can be, this is your brand.
Current Pick: Men’s DNA Hoodie
The DNA Hoodie is made from 50% organic cotton and 50% recycled cotton, with an oversized fit and PPRMINT™ treatment. It’s PANGAIA’s most accessible men’s item and a highlight of their collection. Also consider the 365 Hoodie, which comes in C-FIBER™ and recycled cotton blends.
11. Outerknown
Outerknown was co-founded by 11-time world surfing champion Kelly Slater in 2015 and has become one of the most respected men’s sustainable brands in the U.S. Its reputation comes from its supply chain, not just its founder. The brand claims to be the first built on a full commitment to sustainability, using Regenerative Organic Certified® cotton, Fair Trade Certified™ factories, and full transparency about where products are made. Outerknown also has a Pre-Loved resale program for used items.
Current Pick: The Blanket Shirt
The Blanket Shirt is Outerknown’s most iconic piece and deserves its reputation. Made from 100% organic cotton BlanketWeave™ twill with buttons from nuts, it’s built to be the shirt you reach for constantly and wear for years. Available in more than 20 colors and patterns. Also worth considering: the S.E.A. Jeans made from organic cotton denim in a Fair Trade Certified factory. Find Outerknown on Amazon.
No brand on this list is perfect. Every piece of clothing has some environmental impact, and “sustainable” is a spectrum, not a certification. Still, all 12 of these brands are making real, documented efforts to improve: better materials, better factories, more transparency, and in some cases, taking back clothes when you’re done with them.
Buy less and wear your clothes longer. When you do shop, choose brands that can show where their products come from and what their impact is on the planet. That’s the whole approach.
Editor’s Note: Originally published on March 19, 2021, this article was updated in March 2026.
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