More Sustainable Fashion Brand Offers This July 2025

SeamsFriendly creates beautiful tailored pieces for all body types. It focuses on function and utility in its designs and uses lower-impact materials like organic cotton and linen. What's more, shoppers can customise the brand's designs to their exact preferences—change the neck style, depth, sleeve length, garment length, fabric, and more on anything in its array of clothes.

The brand’s product sizing is customisable (bust size range 26"-70", waist size range 19"-63", including petite, regular, and tall heights) to ensure you always find the perfect fit, and there's a kids range (bust: 18"-28", waist: 19"-26") available too.

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Certified B Corp Kotn is based in Canada and works with local NGOs on the ground at the Nile Delta to provide every child in their farming communities with quality education, and to help close the gap of low literacy rates amongst communities. With every purchase, not only will you get a beautifully made garment, but you'll also help fund school infrastructure, materials, and salaries for teachers.

Find Kotn in sizes XS-2XL.

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IRO IRO is a Jaipur-based circular design collective that employs low-waste design and cutting principles, and lower impact materials. The brand also champions traditional crafts local to India.

Find its range in sizes XS - XXL

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FUTURA Jewelry is a New York based responsible jewellery brand. Each piece of FUTURA Jewelry is handcrafted with mercury-free 18kt Certified Fairmined Ecological gold. The brand's gold comes from the three certified Fairmined mines in the world that mine for gold without the use of toxic chemicals including mercury and cyanide.

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Facettes Studio is a Parisian brand dedicated to "wardrobe essentials for the multifaceted woman". It uses upcycled materials and has banned polyester and polyamide from its collections, which are based around suits. Facettes Studio also provides a repairs and alterations service.

Find its clothes in sizes FR 34-44

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The Knotty Ones is a knitwear brand celebrating craftsmanship and modern design. Born out of nature, pagan Lithuanian roots, and heritage knitting craft, every garment tells a story through the hands of female artisans.

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Shop The Knotty Ones @ Urbankissed.

Stunning designs, beautifully made, to the highest standards—Kalaurie is one of those labels that gives you a rush of excitement when you first find it. This is a Melbourne, Australia brand that makes capsule collections, with an emphasis on signature shirt tailoring. There are many reasons to love Kalaurie, and it rates highly in all three categories.

The pieces are available in 2XS-2XL.

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Another leader when it comes to responsible fashion, No Nasties makes simple and stylish clothing from Fairtrade organic cotton in India where it is actively working to grow the ethical consumer market.

Find styles in sizes 2XS-3XL.

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PANGAIA designs products for living in any situation, sustaining your basic needs with smart technology and utilizing recyclable elements wherever possible.

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Shop PANGAIA Pre-Owned @ Vestiaire Collective.

Shop PANGAIA second hand @ Retykle.

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FM 669 is a US brand that offers apparel made from homegrown cotton, including t-shirts, tank tops, and long-sleeve shirts. It proudly sources its GOTS-certified cotton from a collective of farms in Texas using regenerative practices, and uses lower-impact dyes in its limited production runs. Its designs are effortlessly wearable, with its laid-back, casual aesthetic in gender-neutral pieces.

Offered in sizes XS-L.

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SukkhaCitta is a certified B corp brand from Indonesia creating timeless modern heirlooms leveraging heritage crafts.

Find the range in sizes XS-L.

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Nui Organics was founded on a culture of consciousness, community, and intentional design. It creates high-quality, lower-impact Merino wool and organic clothing for families in timeless styles.

Find sizes for children aged 0-12 years, and XS-2XL for adults.

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Oobi is an Australian girl’s fashion, swimwear, homewares, and lifestyle brand. In addition to creating stylish clothes for children, the brand makes sure it uses low-impact non-toxic dyes throughout its range. It also uses no animal products and opts for sea freight to transport products to reduce its climate impact.

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Shop Oobi pre loved @ Retykle.

Pixie Mood is a Canadian-US brand making luxurious vegan and cruelty-free bags and accessories.

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Shop Pixie Mood @ Immaculate Vegan.