6 Plastic-Free Workout Brands That Skip Synthetics

What makes good workout clothes? They should be durable, stretchable, and able to withstand multiple washes. And ya, good sweat-wicking properties. Synthetic fibers like polyester, acrylic, and nylon have all these features, which is why you would find them in most workout clothes.

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But these synthetic clothes come with hidden environmental and health costs.

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Environmental and Health Impact of Synthetic Clothes

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Synthetic fibers are essentially plastics derived from fossil fuels that release greenhouse gases, which are responsible for the climate crisis. Also, every time we wash these clothes, they release microplastics into the environment, accounting for 35% of all microplastics in the ocean.

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Also read: Simple ways to eliminate microplastics from your laundry

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Some synthetic workout clothes also contain PFAS (per- and polyfluoroalkyl substances), which make them water and stain-resistant. PFAS, also known as "forever chemicals," don't biodegrade easily and persist in the environment indefinitely.

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These PFAS can accumulate in the human body, posing risks such as hormonal disruption, immune system effects, and cancer risks.

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Synthetic fibers often contain other harmful additives like phthalates and bisphenols. While working out, our sweat can draw out these chemicals, allowing them to be absorbed through our skin.

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Early studies have linked these chemicals to adverse health effects such as thyroid disease, hormonal disruption, and neurological issues.

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Plastic-Free Workout Clothes

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If you already have synthetic workout clothes in your closet, don't toss them out immediately. Instead, gradually reduce their usage while continuing to wear them until they're worn out.

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When it's time to replace, check out these brands that offer plastic-free workout clothes, such as PFA-free leggings. Some of these brands use recycled synthetic materials. Although these are preferable to virgin synthetic materials, they still contribute to microplastic pollution and may pose health risks.

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MATE The Label

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MATE The Label offers sustainable and health-conscious activewear for casual gym-goers. The brand uses natural, non-toxic materials, primarily GOTS-certified organic cotton, with minimal synthetic content (no more than 8-10% spandex). It avoids any harmful chemicals like pesticides, BPA, PFAS, and formaldehyde. Its MOVE collection features earth-inspired sports bras, biker shorts, and PFA-free leggings, all manufactured ethically in LA using organic materials and non-toxic dyes. The brand is Climate Neutral, GOTS, and B Corp certified.

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Happy Earth

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Happy Earth is a sustainable apparel and accessories brand that uses PlantTec™ (95% organic cotton and 5% elastane) for its activewear. Its entirely vegan collection is produced ethically in Fair Trade-certified factories in India. As a certified B Corp and member of 1% for the Planet, Happy Earth engages in environmental initiatives like tree planting and trash cleanup. It even allows customers to track their impact through collectible Impact Pins and choose how their purchase contributes to environmental causes.

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Tentree

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Tentree is a sustainability-focused brand that produces workout clothing using organic and natural materials like hemp and TENCEL™ Lyocell, as well as recycled fibers from repurposed plastic bottles, textile waste, and fishing nets. It also uses a non-toxic, PFC-free (PFC is similar to PFA) water-repellant coating on certain items to enhance water resistance without compromising sustainability.

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Vuori

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Vuori, an activewear and performance clothing brand, incorporates recycled, low-impact materials such as DreamKnit™, VCycled, BlissBlend™, and DuraTerra™. These materials feature high percentages of recycled content or organic cotton, combined with performance qualities that you would expect in workout clothes, such as stretch, moisture-wicking, and durability. Vuori offsets its plastic footprint via CleanHub and also holds the Climate Neutral certification.

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Pact Apparel

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Pact Apparel offers organic cotton, fair trade certified athleisure wear, including PFA-free leggings, sports bras, and workout clothes in various patterns and colors. It uses GOTS-certified organic cotton and Fair Trade-certified factories to produce these clothes. The company's commitment to sustainability is evident in its water-saving practices, energy efficiency, and zero net carbon impact. Pact ensures safe working conditions in its factories and uses recyclable, carbon-neutral packaging.

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Patagonia Worn Wear

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Patagonia stands out as a leader in sustainable fashion, offering workout and outdoor apparel made from organic cotton and responsibly sourced wool. An even more sustainable option is to shop from its Worn Wear® program. It allows you to trade in and purchase used Patagonia gear. This extends product life, encouraging consumers to buy less and repair more, ultimately reducing overall consumption and environmental impact.

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