10 Sustainable Swimwear Brands For an Eco-Friendly Summer

Sustainable Eco-friendly Swimwear
Table of Contents

The sun is almost here, so it’s time to get ready for summer! As we plan our beach days and poolside gatherings, let us keep in mind the importance of sustainability. Awareness about climate change and environmental issues has been steadily rising over recent years, with many people turning towards sustainable practices. This trend can be found across fashion industries too; swimwear being no exception.

Sustainable swimwear will be a must-have for any fashionista who also cares about the environment. Sustainable materials such as ECONYL regenerated nylon and recycled polyester are used to make these swimsuits instead of traditional fabrics like nylon or polyester. These eco-friendly materials are not only kinder to nature but can also be recycled at the end of their life cycle which reduces waste in landfills and oceans too!

In this article, we will highlight 10 of the best sustainable swimwear brands for eco-friendly summer. We have carefully selected these brands based on our criteria for sustainability, quality, style, and affordability. Whether you’re looking for a one-piece or bikini, bold prints or classic solids, there’s something on this list for everyone.

Sustainable Swimwear Brand Feature Guide

Brand Price Range Certifications Materials Size Range

Summersalt

$60 to $150
OEKO-TEX Standard 100
Recycled Plastic Bottles, Tencel
XS to 6X

Vitamin A

$80 to $200
ECONYL® Certified
ECONYL®, EcoLux™, Recycled Nylon
XS to XL

Solid & Striped

$90 to $285
OEKO-TEX Standard 100
ECONYL®, recycled nylon
XS – XL

Outerknown

$85 to $165
Fair Trade, ECONYL®
Recycled Ocean Plastic, Organic Cotton
XS to XXL

Reformation

$88 to $148
OEKO-TEX Standard 100
ECONYL®, Recycled Nylon
XXS to 3X

Patagonia

$75 to $120
Fair Trade, Bluesign
Recycled Polyester, NetPlus®
XS to XXL

Tropic of C

$90 to $190
ECONYL® Certified
Recycled Fishing Nets, ECONYL®
XS to L

Amara Tulum

$150 to $280
ECONYL® Certified
ECONYL® Regenerated Nylon, Organic Cotton
XS to XXL

Fair Harbor

$58 to $88
OEKO-TEX Standard 100
Recycled Plastic Bottles, Recycled Polyester
S to 3XL

Criteria for Selection

Materials

We select swimwear made from eco-friendly fabrics like ECONYL® or recycled polyester to reduce plastic waste, lower emissions, and support a cleaner planet.

Production Process

Brands are chosen for using low‑impact dyes, reduced water and energy, strict ethical labor practices, and transparent supply chains with full traceability.

Certifications

We prioritize products certified by OEKO‑TEX®, GRS, or B Corp—ensuring safety, recycled content, responsible social practices, and sustainable innovation.

Durability

Durable swimwear reduces waste. We choose pieces that resist chlorine, saltwater, UV damage, and have high‑stretch recovery for optimal fit and longer wear.

Top 10 Sustainable Swimwear Brands

Investing in sustainable, durable swimwear is a great way to reduce waste and avoid purchasing new swimsuits every season. Quality matters when it comes to finding the best eco-friendly option— look for well-made pieces that are built to last!

When determining an eco-friendly lifestyle, these are the points you should bear in mind. By choosing items that meet this criteria, your summer wardrobe will be stylish and environmentally conscious. Let’s explore 10 of the most sustainable swimwear brands to rock a green summer look come 2025!

Summersalt

Summersalt

Best Overall Sustainable Swimwear

Summersalt transforms ocean waste into stylish swimwear using recycled materials like fishing nets and plastic bottles. The sustainable brand offers designer-quality pieces without designer prices, featuring scientifically-backed fits for diverse body types.

Features

Average Price Range: $60 to $150

Certifications: OEKO-TEX Standard 100

Materials: Recycled Plastic Bottles, Tencel

Size Range: XS to 6X

Summersalt is a sustainable swimwear company wholly dedicated to environmental stewardship and ethical production practices. Their stylish pieces are created with recycled plastic bottles and materials like Tencel, resulting in less water and energy consumption than other brands during the manufacturing process.

What makes Summersalt unique is their approach to creating sustainable swimwear. They use recycled materials from plastic waste found in oceans and landfills to create their swimsuits, making them an eco-friendly option for consumers who are conscious about the environmental impact of their purchases.

Summersalt’s swimwear is thoughtfully crafted for maximum comfort and flexibility. Constructed from compression technology, the suits provide shapely support without impeding movement; you can wear them all day in complete relaxation. From beach to boardwalk, Summersalt’s designs let you take on any destination with total ease!

Vitamin A

Vitamin A

Best Luxury Swimwear

Vitamin A Swimwear combines California luxury with sustainability, using recycled nylon and innovative EcoLux materials. The premium brand offers sophisticated designs with exceptional quality construction and ethical production standards.

Features

Average Price Range: $80 to $200

Certifications: ECONYL® Certified

Materials: ECONYL®, EcoLux™, Recycled Nylon

Size Range: XS to XL

Launched in 2000, Vitamin A Swimwear was founded by designer Amahlia Stevens with the ambition to craft fashionable swimsuits that are both ecologically responsible and socially conscious. With her innovative designs, she has been able to create sustainable bikinis of superior quality that remain stylish and on-trend today.

Vitamin A stands out due to their commitment to sustainability. Not only do they use eco-friendly materials like recycled nylon and organic cotton, but they also partner with local factories in California for ethical production practices which further reduces the impact on our environment. Their collection features innovative fabrics like EcoLux, EcoRib, EcoTex, and BioSculpt, providing an organic alternative to fossil fuel-based nylon. This company is truly making a positive difference!

Vitamin A’s swimwear is designed with both style and performance in mind, so you can look good while having fun. Their suits are crafted from high-quality materials that won’t wear down after multiple uses, allowing you to enjoy the same suit season after season without worrying about needing a replacement.

Solid & Striped

Solid & Striped

Best Timeless & Sustainable Classic Swimwear

Solid & Striped creates timeless swimwear with a modern minimalist aesthetic, focusing on classic silhouettes and premium materials. The brand offers sophisticated designs that blend vintage inspiration with contemporary fits and quality construction.

Features

Average Price Range: $90 to $285

Certifications: OEKO-TEX Standard 100

Materials: ECONYL®, Recycled Nylon

Size Range: XS to XL

Born from vintage Americana and California beach culture, Solid & Striped launched in 2012 to reimagine classic swimwear for the modern woman. Founded by Sarah Cristobal, this luxury brand draws inspiration from iconic poolside glamour of the 1960s and 70s.

What distinguishes Solid & Striped is their ability to merge nostalgic design with contemporary sustainability. The brand now embraces eco-friendly materials like ECONYL® regenerated nylon crafted from ocean plastic waste, reflecting their commitment to preserving the beaches that inspire their collections.

Their swimwear embodies understated luxury with clean lines, flattering cuts, and perfectly proportioned silhouettes. From the signature Anne-Marie one-piece to the coveted Morgan bikini, each design balances retro charm with modern functionality, making them a favorite among celebrities and discerning beachgoers who appreciate sustainable luxury.

Outerknown

Outerknown

Best Sustainable Surf-Inspired Swimwear

Founded by Kelly Slater, Outerknown combines surf culture with sustainability, crafting premium clothing from recycled ocean plastic and organic materials. The brand champions fair labor practices and environmental stewardship in every piece they create.

Features

Average Price Range: $85 to $165

Certifications: Fair Trade, ECONYL®

Materials: Recycled Ocean Plastic, Organic Cotton

Size Range: XS to XXL

Outerknown is a sustainable clothing store that came to life in 2015 when professional surfer Kelly Slater and fashion designer John Moore combined forces. Their primary focus was on developing eco-friendly, high-quality apparel with minimal environmental impact while ensuring fair labor practices are met along the way.

Outerknown stands out from other brands due to their unwavering dedication to sustainability. Every step of the production process is eco-friendly, with recycled polyester and organic cotton being used in garments as well as partnering up with factories that promote Fair Trade practices and safe working conditions. Moreover, they have created a “Transparent Supply Chain” which allows customers to follow along each product’s journey – right from raw material until it becomes a finished item!

Outerknown has crafted the perfect blend of form and function in their swimwear, emphasizing classic silhouettes enhanced with timeless designs. Constructed using top-of-the-line materials, these suits are strong enough to last through watersports yet still so comfortable that you can lounge in them all day long.

Reformation

Reformation

Best Trendy Swimwear

Reformation delivers effortless, Instagram-worthy fashion with a sustainable twist, using eco-friendly fabrics and ethical manufacturing. The brand specializes in feminine silhouettes and vintage-inspired designs that appeal to environmentally conscious millennials.

Features

Average Price Range: $88 to $148

Certifications: OEKO-TEX Standard 100

Materials: ECONYL®, Recycled Nylon

Size Range: XXS to 3X

Reformation, founded by Yael Aflalo in 2009 is a sustainable fashion label that has become renowned for its fashionable yet eco-friendly clothing. Recently they have ventured into the world of swimwear and are passionate about transparency – this means you can access detailed information regarding each piece’s production process on their website, including where it was made and what environmental impact it had.

Reformation stands out for their dedication to sustainability at every point of production. By utilizing earth-friendly materials such as recycled ECONYL regenerated nylon and bio-based fiber called EVO by Fulgar, embracing ethical practices like low-impact dyes, and decreasing waste any way they can.

They are the perfect pick for anyone seeking sustainable swimwear that puts style, quality, and moralistic production practices first. Not only will you be treated to a top-notch product with this brand, but you’ll also have the satisfaction of knowing your purchase supports sustainability and transparency values.

Patagonia

Patagonia

Best Durable & Environmentally Responsible Swimwear

Patagonia delivers durable outdoor clothing while leading corporate environmental activism. The California-based company uses sustainable materials, supports Fair Trade practices, and donates profits to fight climate change and protect wild spaces.

Features

Average Price Range: $75 to $120

Certifications: Fair Trade, Bluesign

Materials: Recycled Polyester, NetPlus®

Size Range: XS to XXL

Established in 1973 by Yvon Chouinard, Patagonia is a renowned brand that provides highly durable and quality climbing gear for the outdoors. Today, their impressive selection of apparel also includes swimwear; catering to all passionate explorers who seek sustainable clothing and equipment for any adventure.

Patagonia’s sustainable swimwear line is crafted for outdoor activities like surfing and swimming with the environment in mind. They have designed their swimsuits using recycled nylon and polyester, reducing waste from our oceans and landfills. Furthermore, they collaborate with Fair Trade Certified™ factories to guarantee fair labor practices throughout the production process.

Patagonia stands out for their determination to sustainability and environmental conservation. They prioritize using fabrics such as recycled polyester and organic cotton in all of their products, along with introducing initiatives like “Worn Wear” that pushes customers towards mending or reusing any old Patagonia gear instead of discarding it away.

Tropic of C

Tropic of C

Best Minimalist & Eco-Conscious Swimwear

Tropic of C is a sustainable swimwear brand blending minimalist design with eco-friendly fabrics. Known for its chic, timeless styles, the brand uses recycled materials and ethical production to create swimwear that’s both stylish and kind to the planet.

Features

Average Price Range: $90 to $190

Certifications: ECONYL® Certified

Materials: Recycled Fishing Nets, ECONYL®

Size Range: XS to L

Launched in 2018 by Candice Swanepoel – Brazilian model and founder of Tropic of C swimwear brand, the mission was to create attractive yet sustainable fashion pieces that embrace female beauty. Made from eco-friendly materials, this modern collection is designed with the purpose to inspire women around the world.

Tropic of C’s swimwear features sophisticated silhouettes and timeless designs that are both attractive in appearance and highly functional. Constructed with superior quality materials, their suits provide a perfect fit while also being resistant to the typical wear caused by surfing or other water activities.

Not only is Tropic of C devoted to sustainability, but they are passionate about protecting our oceans. Through their alliances with groups such as the Ocean Conservancy and Sustainable Surf, Tropic of C has taken an active role in ocean conservation efforts. Moreover, this company offers a range of swimwear made from recycled fishing nets – further diminishing waste within marine environments.

Amara Tulum

Amara Tulum

Best Artisanal & Handcrafted Sustainable Swimwear

Amara Tulum creates artisanal swimwear and resort wear inspired by the natural beauty of Tulum, Mexico. The brand focuses on handcrafted details, unique textures, and a bohemian-luxe aesthetic, often incorporating local craftsmanship and natural elements.

Features

Average Price Range: $150 to $280

Certifications: ECONYL® Certified

Materials: ECONYL® Regenerated Nylon, Organic Cotton

Size Range: XS to XXL

Founded in 2017 by Karen Amara, Amara Tulum is a sustainable swimwear label fueled by passion. Not only are their pieces delightful and dependable, but they also prioritize environmental sustainability through partnering with organizations such as Oceanic Global which strives to reduce plastic pollution of our oceans.

Amara Tulum stands out due to its earth-friendly materials such as organic cotton, bamboo, and linen. The brand also leverages recycled fabrics made from plastic bottles found in oceans to create their swimsuits! In addition, they collaborate with local artisans in Mexico for production of their garments – a move that not only strengthens the economy but also prioritizes fair labor practices.

Amara Tulum’s swimwear collection is the epitome of style with its timeless one-pieces, chic bikinis, and alluring silhouettes. Moreover, this sustainable line has been crafted using superior materials for both comfort and long-lasting quality in mind. Elevate your summer look with these unique pieces – also knowing that you have done your part to help preserve our planet!

Fair Harbor

Fair Harbor

Best Best Ocean Plastic Use & Men's Swimwear

Fair Harbor Clothing creates sustainable swimwear and apparel made from recycled ocean plastics. The brand focuses on eco-friendly materials, ethical production, and giving back to ocean conservation efforts, blending style with environmental responsibility.

Features

Average Price Range: $58 to $188

Certifications: OEKO-TEX Standard 100

Materials: Recycled Plastic Bottles, Recycled Polyester

Size Range: S to 3XL

When Jake and Caroline Danehy founded Fair Harbor in 2014, the brother-sister duo sought to design fashionable yet practical swimwear that was also eco-friendly. The sustainable brand quickly became a go-to for conscious consumers seeking stylish, functional clothing with minimal environmental impact.

Fair Harbor is revolutionizing sustainable fashion with stylish swimsuits that are designed for ultimate comfort, performance and sustainability. From classic board shorts to vibrant bikinis, you’ll find the perfect suit crafted from high-quality materials and built using advanced manufacturing techniques to last season after season.

Fair Harbor stands apart from the crowd with their eco-friendly swimsuits crafted from recycled plastic bottles. Through partnerships with recycling centers in Haiti and Honduras, they are able to reduce oceanic plastic waste while also supporting local communities. If you’re searching for stylish and sustainable swimwear that aligns with your values, then look no further than Fair Harbor!

Final Thoughts

Sustainable swimwear is the perfect choice for eco-conscious consumers who want to look good and make an impact with their fashion. Numerous brands are now offering stylish, high-quality sustainable swimwear made from environmentally friendly materials while using ethical production practices. With a growing array of options, it’s never been easier to purchase fashionable items that are beneficial to the environment!

When shopping for sustainable swimwear, there are several important criteria to consider. The materials utilized must be eco-friendly and the production practices should adhere to ethical standards. Look for certifications like OEKO-TEX and GOTS that ensure chemical safety and organic standards.

Let’s do our part for the planet by making conscious decisions about what we wear, such as opting for sustainable swimwear. Small changes here and there all add up, and together we can make a significant impact in reducing the fashion industry’s environmental footprint while still looking fabulous!

Hassan Radwan, founder of Perfectly Sustainable
Hassan Radwan
Founder & Director, Perfectly Sustainable

Hassan explores the systems behind everyday sustainability, helping readers understand how materials, products, and everyday choices affect people and the planet. He founded Perfectly Sustainable to make complex sustainability topics clearer, more practical, and easier to act on.

Learn More
Related Articles
More Blog Resources
Footer Leaf Vine