In the summer months, staying both cool and stylish can be a real challenge. And fast fashion – forget about it. Summer is the time to shed your layers, not your values.
Here’s a cool list of 12 brands putting people and the environment first. These brands offer stylish summer pieces made in factories that focus on worker well-being, and with materials that are more responsible to the earth.
Looking cool, feeling cool, and being cool – that’s what we call the triple bottom line.
1) Mens Summer Sustainable Clothes: Outerknown



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Second only to ice cream, barbecues scream summer. With Outerknown’s BBQ shirt, you are sure to be the coolest cat at your next outdoor cookout.
Made from regenerative organic cotton, this lightweight shirt gives vintage, silky vibes. So light up the BBQ and get ready for some major complements because this casual shirt looks equally great at the beach or in the city. Outerknown also has a great selection of swimwear, shorts, and tees.
Our Recommendations: APEX Evolution Trunk by Kelly Slater and the Seventyseven Cord Pull On Shorts.
See it in Action: Watch our review of Outerknown’s swim trunks.
2) Classic Menswear: Taylor Stitch



Taylor Stitch is one of our favorite brands for all seasons, but their summer clothes are truly exceptional. Their large collection of short sleeve button-ups, tees, and shorts are all made with the best of materials in the best of conditions.
“Constructed to perfection and responsibly built for the long haul,” Taylor Stitch will keep you looking stylish while keeping your environmental footprint to a minimum. Their summer gear is made of organic cotton, hemp, linen, and more.
Our Recommendations: The Apres Short and the Davis Shirt.
See it in Action: Watch our review of Taylor Stitch’s summer clothing.
3) Organic Cotton Essentials: Pact


Nothing says summer like colorful everyday pieces. Pact delivers sustainably made tees, polos, shorts, and loungewear for men—crafted with GOTS‑certified organic cotton in Fair Trade Certified™ factories.
Pact is also committed to minimizing its environmental footprint with carbon‑neutral operations and responsibly made, recyclable packaging.
Our Recommendations: The Daily Twill Midweight Pant and the Softspun Pocket Crew Tee.
See it in Action: Watch our review of Pact’s clothing for men.
4) Fun Clothes for the Great Outdoors: Toad&Co


You probably want to head outside this summer and Toad&Co clothes are ready to take you there. Their casual durable and comfortable clothes include shorts, shirts, tees, pants and more from natural materials like organic cotton and hemp.
Toad&Co sources from Fair Trade factories, sources OEKO-Tex fabrics (safe chemical usage), and aims to be plastic free by 2026. They also do a variety of great things like sell second hand clothes on their website.
Our Recommendations: Treescape Shirt and Mission Ridge Short.
5) Summer Sneakers with a Lighter Footprint: 8000Kicks

Well-made sneakers are a summer must-have, and 8000Kicks offers an easy option for staying comfortable without sacrificing style. Known for its hemp-based footwear, the brand makes lightweight, minimalist sneakers that work well for everyday wear, travel, and warm-weather outings. Many of its men’s styles are also weatherproof, making them especially useful for summer on the go.
8000Kicks sets itself apart with its use of hemp, plus details like hemp insoles and algae-based soles in select designs. It’s a practical pick for anyone looking for sneakers that feel modern, versatile, and more thoughtfully made.
Our Recommendation: Trekker for Men.
See it in Action: Watch our review of 8000Kicks trekker and runner shoes.
6) Men’s Capsule Wardrobe Essentials: Asket
Basics are a summer must for lightweight gear that keeps you cool. Asket has everything you need to build a capsule wardrobe including t-shirts, shorts, linen shirts, linen pants, and swim shorts.


And did we mention transparency? Asket is one of the most transparent fashion brands on the planet, giving you the transparency level of each individual item they sell. For example, their t-shirt might have 93% traceability and you can click to learn more about where everything is sourced, and what still needs to be traced to get to 100%.
While you’re shopping summer gear be sure to check out Asket’s linen pieces. Linen helps make these the perfect live in pieces guaranteed to keep you cool all summer long.
Our Recommendations: The Linen Shirt and The Linen Trousers.
See it in Action: Watch our review of Asket’s core pieces.
7) Ethical Men’s Shirts: Vustra



Short sleeve button-up shirts are a summer staple, and Vustra has you covered with their variety of short sleeve button ups. Made from sustainable natural materials including organic cotton and linen, this classic wardrobe basic can be dressed up for a night on the town, or dressed down for a trip to your local barista.
For more on Vustra, check out Eco-Stylist’s video review.
Our Recommendations: Retro Striped Knit Camp Shirt and Gingersnap Luxe Knit Polo.
8) Good for the Environment: Patagonia



For many of us, summer means outdoors, and when you need outdoor apparel Patagonia is a great choice. Their baggies shorts, tank tops, and swimwear offer high quality summer essentials.
Patagonia is an OG of sustainable fashion, offering high performance clothing with the highest concern for quality, people, and the planet. Their Wornwear program, a closed circle initiative, takes back, repairs, and resells their used clothes, keeping them in use and out of the trash.
Our Recommendation: Men’s Baggies Shorts.
9) Fair Trade Mens Clothing: KNOWN SUPPLY


Bring it back to the basics this summer with Known Supply’s 100% Premium Pima Cotton basic tees. Coming in a wide variety of colors, these t-shirts keep things simple and fresh.
Our Recommendation: Unisex T-Shirt.
10) B Corp Certified Sunglasses: Warby Parker

There’s nothing better than a nice surf or swim on a hot summer day. And no matter where your summer takes you, you’ll probably need some sunglasses.
Warby Parker offers stylish sunglasses and works towards a cleaner planet with a clearer future for all. They produce sustainable glasses through their carbon offset projects and give back through their ‘Buy a Pair, Give a Pair’ program.
Our Recommendation: Waller sunglasses.
11) Hats with a Good Impact: Topiku


Protect your head from burning this summer with Topiku’s collection of hats. These hats are all the rage as they are made from upcycled and recycled materials.
Moreover, they have colorful patterns on the bill of the hat to give each cap its own unique flair. For more information see Eco-Stylist’s unboxing video of Topiku’s previous hat collection.
Use discount code ECOSTYLIST10 for 10% off any Topiku hats.
Our Recommendation: Classic Dat Hat.
12) Shoes with Fair Labor Practices: Adelante Made-to-Order


If there’s anything we know about Adelante, it is that they care about their people. Paying their workers above the Living Well Line and ensuring that all their shoes are made with the highest quality of materials, Adelante elevates your style and worker well-being.
The Luca is a timeless, lightweight, comfortable shoe that will keep your feet stylish this summer. These custom made penny loafers mold to your feet to ensure they stay prime even on the longest of walks.
Our Recommendations: The Luca and The Tomas.
Your Guide to Sustainable Men’s Fashion Brands for Summer
That’s 12 ethical and sustainable brands for your summer wardrobe. We hope this list helps you stay cool in the sunny days ahead.
What makes these brands sustainable?
If you’re new around here, we research all of our brands at Eco-Stylist using our sustainable brand criteria. It’s a comprehensive framework that evaluates a brand based on ethical manufacturing, living wages, supply chains free of child and slave labor, sustainable fabrics, sustainable manufacturing, and a whole lot more.
Looking for more sustainable mens clothing brands for summer?

- Shop over 500 men’s pieces in our Shop
- Discover over 70 great men’s brands in our Brand Guide
Need help finding something? Let us know!
Editor’s Note: We’ve refreshed this guide for 2026 to ensure our recommendations, brand information, and links are as current and useful as possible.

Asher is a writer at Eco-Stylist. In addition to sustainable fashion, environmental activism, and a zero waste lifestyle, Asher’s interests include cooking, nutrition, and learning about the human body and medicine. He’s pursuing a career in medicine while advocating for slow fashion and the environment.









