The Ultimate Guide to Ethical and Sustainable Underwear for Men and Women

Organic Basics offers high-quality sustainable fashion basics for men and women in organic materials. It also recently launched its first sustainable denim collection! The Denmark-based brand puts sustainable thinking at the centre of everything—it only chooses fabrics that care for our environment, and only ever partners with factories that care about their impact. Organic Basics clothes are available in sizes XS-XL.

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Shop Organic Basics @ Rêve en Vert.

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WAMA is pioneering the hemp clothing industry with premium hemp underwear. It uses a high proportion of eco-friendly materials including organic cotton and hemp, and is a PETA approved vegan company! Find the range in inclusive sizes XS-3XL.

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nat'v basics is an Australian eco-friendly underwear label designed for the everyday woman. Made from recycled and sustainable materials, nat'v basics pieces are designed to be the most comfortable basics you’ll ever wear. No frills or trims or awkward bits—so you can put them on and forget you’re wearing them! Find most items in sizes 8 to 16.

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Made in a Fair Trade Certified factory, Knickey’s organic cotton underwear sets are some of the best in the sustainable market. Taking it a step further, the brand has also partnered with an NYC non-profit to recycle old undergarments, turning the fibres into insulation and rug pads. Sending in your old undies will not only help cut down on the amount of fibres that wind up in the landfill, but it’ll give you the freedom to buy new, eco-conscious sets. Find most items in sizes 2XS to 3XL.

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Pico designs beautifully soft organic and fair-trade cotton underwear for both men and women. The British brand is fully vegan and all its products are Fairtrade International - Small Producers Organisations certified.

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Shop Pico @ Reve en Vert.

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Established in 2012 by Lis Harvey, NICO celebrates minimalism and understated luxury. The brand brings high quality basics and underwear to the Australian fashion landscape, featuring clean lines, luxe fabrics, and the styles and colours needed for everyday. NICO’s factories are signatories to The Bangladesh Fire and Building Safety Accord and are compliant with BSCI and certified with WRAP. Find the range in sizes XS-2XL.

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PACT’s organic underwear makes sure you are comfortable in your own skin with its soft and timeless design. It uses Fairtrade organic cotton and aims to remove hazardous chemicals from its production.

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Made from organically grown bamboo, Boody’s eco underwear support the trend for all things green and ethical. The brand is Oeko-Tex certified and uses a fully closed-loop system to ensure its bamboo-derived fabrics are environmentally friendly. Find the range in sizes XS-XL.

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Hara means green in Hindi, so the label aims to design for you and our earth – consciously creating pieces that are soft and beautiful with sustainable and ethical practices at the core. Hara uses bamboo as its primary material and minimises the use of packaging and has eliminated hazardous chemicals from its supply chain.

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Shop HARA The Label.

Underprotection is a Danish brand combining ethics and aesthetics, creating underwear, loungewear, and swimwear from sustainable materials like recycled polyester and organic cotton. All of its packaging, paper, and polybags are either recycled or biodegradable, and it only works with certified factories as it believes “fair working conditions and fair wages are human rights”. Underprotection exists to celebrate women of all kinds, and its goal is to make them feel as beautiful and comfortable as possible. You can find the full range in XS-XL.

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Scandinavia-based Woron creates long-lasting vegan underwear. The brand uses eco-friendly materials, like Modal and is Oeko-Tex certified, meaning the dying of their products is free from toxic chemicals.

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Shop Woron @ Reve en Vert.

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KENT is a US-based brand that creates timeless organic underwear for women, ensuring a quality fit and feel no matter what. It produces the first verified compostable underwear, made from organic cotton and designed to return to nature in 90 days when composted or planted, feeding the soil and growing new plants (or future pants). Find most pants in sizes XS to 2XL.

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Saint Basics creates the next generation of vegan eco-basics for people inspired by change. The Dutch brand is fully OEKO-TEX certified and has adopted the GOTS Code of Conduct to protect its workers’ labour rights.

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tentree is a Canadian sustainable lifestyle brand that plants 10 trees for every item purchased. The certified B-Corp brand has already helped to remove tonnes of CO2 from the atmosphere and reforested over 5,000 hectares of land (that’s equal to 12,000 football fields). But its commitment to sustainability extends way beyond trees. Using recycled, organic, and circular fabrics, tentree cuts down on huge amounts of waste and water usage with every piece. We love it for its super comfy fabrics and easy wardrobe staples that are typically available from XS to XL.

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If you’re the kind of person who likes to wear their morals, look no further. Not only is a tree planted every time you purchase a NIKIN product, you also get to show your tree pride! Products are available in sizes XS-XL.

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Honest Basics is a GOTS-certified basics brand based in Germany. It's on a mission to make sustainable fashion accessible to everyone, by keeping prices low, making quality basics that everyone has in their wardrobe, and constantly improving the sustainability of its products and supply chain. The range is available in sizes XS-L.

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Mighty Good Basics aims to provide quality, affordable, organic and fair trade underwear, for both men and women. The brand uses GOTs certified cotton, like these knickers which were made by Rajlakshmi Cotton Mills in Kolkata, India, using cotton grown by farmers from the cooperative Chetna Organic, headquartered in Hyderabad India. The brand also uses renewable energy throughout its supply chain.

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A-dam is a fresh brand with character. It uses a high-proportion of eco-friendly materials, like GOTS certified cotton, and limits the amount of chemicals, water and wastewater used in production.

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Munich-based VATTER creates sustainable and long-lasting underwear, using 100% vegan and environmentally-friendly materials, including GOTS certified cotton, without sacrificing design and aesthetics.

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ASKET has been creating timeless wardrobe essentials since 2015 with revolutionary sizing and fair pricing. The brand disregards seasonal collections, cuts out all the middlemen, and only sells directly to you—putting its entire focus on building a single permanent collection. Find the range in sizes XS-XL.

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ROZENBROEK is a British brand that features well-made clothing made from the finest organic materials, including solar energy.

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Shop ROZENBROEK @ SlowCo.

Shop ROZENBROEK.