From sandy beaches to tropical escapes, swimwear is more than just fashion—it’s a statement. Today’s conscious consumers want styles that flatter while also protecting the planet. The surge in eco-friendly fashion has ushered in a wave of brands redefining swimwear through sustainable practices, ethical sourcing, and innovative materials. If you’re on the hunt for the best sustainable swimwear options that combine performance, style, and environmental responsibility, this curated guide highlights standout names shaping the future of seaside fashion.
Why Sustainable Swimwear Matters
Traditional swimwear often relies on synthetic fabrics like nylon and polyester, which come with significant environmental drawbacks. These materials are byproducts of fossil fuels and can take hundreds of years to decompose. Microplastics shed during washing pollute oceans and threaten marine life. Meanwhile, fast fashion’s mass production cycle further amplifies waste and labor concerns.
Sustainable swimwear brands tackle these issues by using recycled fabrics, ethical labor practices, and eco-friendly production methods. Investing in sustainable pieces not only helps reduce environmental harm but also supports transparent and humane industry standards.
Below, we explore the most innovative and stylish brands offering the best sustainable swimwear for every body type and aesthetic preference.
1. Patagonia
Patagonia has long been a leader in outdoor gear with an unwavering commitment to sustainability. Their swimwear line embodies the brand’s ethos by using recycled nylon from discarded fishing nets and other waste materials. Patagonia’s suits are designed for durability, ensuring your favorite piece lasts season after season.
Key Features:
- Recycled materials with high performance
- Fair labor practices
- Timeless, functional designs
Whether you’re surfing big waves or lounging poolside, Patagonia’s swimwear strikes a balance between rugged performance and eco-conscious design.
2. Summersalt
Summersalt has quickly become synonymous with body-inclusive swimwear that doesn’t compromise on sustainability. Known for vibrant prints and flattering silhouettes, Summersalt creates its pieces from recycled nylon and employs responsible dyeing methods to minimize water usage.
Key Features:
- Inclusive sizing (XXS to 5X)
- Recycled yarns and water-efficient production
- Bold and classic designs
Summersalt’s approach to sustainability extends beyond materials—it’s rooted in accessibility and ethical practices that empower more people to feel confident in their swimwear.
3. Outerknown
Co-founded by professional surfer Kelly Slater, Outerknown emphasizes circular fashion principles. Their swimwear is crafted with ECONYL®—a regenerated nylon made from ocean waste such as discarded fishing nets. Beyond sustainable fabrics, Outerknown is transparent about its supply chain and partners with ethical manufacturers.
Key Features:
- Recycled and regenerated materials
- Supply chain transparency
- Minimalist yet impactful designs
Outerknown’s swimwear appeals to those who value both aesthetic refinement and genuine environmental commitment.
4. Vitamin A
Los Angeles-based Vitamin A champions sustainability by blending style with conscience. Their swimwear uses REPREVE®, a recycled fiber made from plastic bottles, and they prioritize eco-friendly packaging and manufacturing processes. Vitamin A also incorporates plant-based fabrics in select styles for a softer, natural feel.
Key Features:
- Recycled yarns and plant-based fabrics
- Eco-friendly production
- Sophisticated and timeless silhouettes
With an emphasis on quality and comfort, Vitamin A delivers pieces that transition seamlessly from beach to boardwalk.
5. Amour Vert
While known primarily for sustainable everyday clothing, Amour Vert’s swimwear collection continues the brand’s eco-centric focus. They use recycled fabrics and low-impact dyes to create pieces that are gentle on the planet without sacrificing quality.
Key Features:
- Recycled and low-impact materials
- Chic, modern styles
- Ethical production ethos
Amour Vert’s swim pieces cater to fashion seekers who value understated elegance and responsible craftsmanship.
6. Mara Hoffman
Mara Hoffman blends bold prints with eco-conscious design to offer swimwear that feels both artistic and sustainable. The brand uses regenerated nylon and responsible domestic manufacturing to reduce its environmental footprint while supporting local workers.
Key Features:
- Unique, vibrant prints
- Regenerated materials
- Small-batch and ethical production
For those seeking statement swimwear that pushes the boundaries of both design and sustainability, Mara Hoffman is a standout choice.
7. Reformation
Reformation is widely recognized for its dedication to eco-friendly fashion, and its swimwear collection upholds that reputation. Using recycled materials and sustainable production techniques, Reformation creates swim pieces that are flattering, fashionable, and planet-friendly.
Key Features:
- Recycled fabrics
- Sustainable manufacturing
- Trend-forward styles
If you’re looking for the perfect blend of contemporary fashion and conscious creation, Reformation delivers some of the best sustainable swimwear options on the market.
8. Afends
Australian brand Afends offers edgy swimwear crafted from recycled materials with a laid-back, carefree vibe. Their designs often feature bold graphics and streetwear influence, making them perfect for those who want swimwear that stands out.
Key Features:
- Recycled fabrics
- Street-inspired designs
- Ethical production values
Afends caters to fashion-forward consumers who prioritize sustainability without compromising personal style.
Tips for Choosing Sustainable Swimwear
When selecting eco-friendly swimwear, consider the following:
Material Matters
Look for recycled or regenerated fabrics such as ECONYL® or REPREVE®. These options repurpose waste and reduce reliance on new plastics.
Brand Transparency
Prioritize brands that openly share details about their supply chain, labor practices, and environmental certifications.
Quality Over Quantity
Invest in durable pieces that withstand sun, saltwater, and repeated wear to reduce waste and extend the life of your swim wardrobe.
Ethical Production
Ensure the brand supports fair labor practices and partners with responsible manufacturers committed to worker safety and fair wages.
Final Thoughts
Choosing the best sustainable swimwear is about more than just looking good—it’s about making a conscious choice to support ethical practices and reduce environmental impact. From high-performance active styles to chic and stylish options for sunbathing, the brands highlighted here prove that sustainability and fashion can coexist beautifully.
By investing in eco-friendly swimwear, you’re not only enhancing your beach wardrobe but also contributing to a healthier planet. Whether you prefer minimalist designs or bold, artistic prints, there’s a sustainable swimwear brand waiting to become your new favorite. Dive into ethical style with confidence!
