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More Sustainable Fashion Brand Offers This October 2025

Words: Partnerships Editor

Category: Top Picks

Published: 28 Oct 2025

Every week we publish offers and discounts from highly rated brands that have been assessed by our rigorous ratings system. Using our codes and links may earn us a commission—supporting the work we do. Learn more.

Good On You believes everyone should have access to more sustainable and affordable options when they need to buy something new. That’s why we share exclusive promotional offers from our network of more sustainable fashion brands, which have all been rated “Good” and “Great”. We update these offers every Wednesday to ensure you’re only seeing active promotions—this helps you find the best prices from some of our best-rated brands, and it gives us a means of highlighting and supporting their work, too.

Codes and offers from more sustainable fashion brands

Happy Earth

People in lower-impact clothing by Happy Earth.

Offers

Happy Earth – Bewitching Collection (US)

Embrace the night with a dark and dreamy bewitching collection. Organic sweatshirts, blanket shirts, and more. 20% off the Bewitching collection. (Only available in the US.) (Ends: 31 OCT)

Happy Earth – PlantTec Organic Activewear (US)

Leggings, tanks, jackets, and more activewear essentials. 20% off site-wide PlantTec organic activewear. (Available only in the US.) (Ends: 31 OCT)

Happy Earth Apparel is a US organic clothing brand that is inspired by nature and dedicated to preserving it. Through its partnerships with non-profits and Happy Earth ambassadors, it’s planting trees, fighting climate change, and cleaning up trash.

Find most items in sizes XS-3XL.

See the rating.

Shop Happy Earth.

SeamsFriendly

Offers

SeamsFriendly – Reversibles and Convertible Clothing

Double your options with one garment. SeamsFriendly’s reversible and convertible pieces offer multiple looks in one item. Exclusive 15% off with code SF-GY15 (Sale items excluded.) (Ends: 3 NOV)

Checkout code: SF-GY15

SeamsFriendly – New Arrivals

Customizable clothing that’s handmade by our artisans to your body measurements and style preferences. Change the neck style, sleeve length, fabric, and more. Exclusive 15% off with code SF-GY15 (Sale items excluded.) (Ends: 3 NOV)

Checkout code: SF-GY15

SeamsFriendly – Jumpsuits and Overalls

No more short sleeves or awkward lengths. Made from all-natural fabrics that are gentle on the skin. Exclusive 15% off with code SF-GY15 (Sale items excluded.) (Ends: 3 NOV)

Checkout code: SF-GY15

SeamsFriendly – Best Sellers

Dresses, jumpsuits, shirts and more, custom-made by skilled artisans, to your measurements and style preferences. Exclusive 15% off with code SF-GY15 (Sale items excluded.) (Ends: 3 NOV)

Checkout code: SF-GY15

SeamsFriendly – Custom Clothing for Girls and Teens

Well-made custom clothing that’s crafted with skin-friendly natural materials. Exclusive 15% off with code SF-GY15 (Sale items excluded.) (Ends: 3 NOV)

Checkout code: SF-GY15

SeamsFriendly – Men’s Shirts and T-Shirts

Menswear that fits your body, whether you’re tall, short, or anywhere in between, experience the confidence of made-to-measure attire. Exclusive 15% off with code SF-GY15 (Sale items excluded.) (Ends: 3 NOV)

Checkout code: SF-GY15

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.

See the rating.

Shop SeamsFriendly.

Mila.Vert

Offers

Mila.Vert – Site-wide

From the first idea to the final stitch, fashion should never come at the expense of people or the planet. 20% off with code Fairtrade (Ends: 3 NOV)

Checkout code: Fairtrade

Mila.Vert makes chic, minimalist clothes that have a distinctly modern feel. The Slovenia-based brand produces clothes in small batches based on a pre-order system to minimise waste and help to avoid the ethical and environmental issues that the fashion industry represents.

Find the garments in sizes XS-XL.

See the rating.

Shop Mila.Vert.

Shop Mila.Vert @ Immaculate Vegan.

eBay

Offers

eBay – Clothing, Shoes, and Accessories (AU)

Save on pre-loved clothing, shoes, and accessories for women, men, and kids. Buy one, get one 25% off with code PLFSHOP (Only availalbe in Australia. 25% off seller’s price. Max discount $50.) (Ends: 4 NOV)

Checkout code: PLFSHOP

Shop pre-loved clothing.

Wild Clouds

Offers

Wild Clouds – Site-wide

Timeless and versatile plastic-free clothing made from organic cotton and linen. From cool jumpsuits to versatile sets soft enough for pyjamas. Exclusive 25% off with code WILD25 (Ends: 6 NOV)

Checkout code: WILD25

Wild Clouds creates more sustainable, vegan, and plastic-free clothing, blending whimsical design with timelessness and comfort.

See the rating.

Shop WIld Clouds.

Facettes Studio

Offers

Facettes Studio – Site-wide

Timeless garments made in France from upcycled luxury fabrics: tuxedos, blazers, tailored pants to wear from day to night. Exclusive 15% off with code FACETTESGOODONYOU15 (Ends: 8 NOV)

Checkout code: FACETTESGOODONYOU15

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

See the rating.

Shop Facettes Studio.

SANTICLER

Someone in black bralette top and midi skirt by Santicler.

Offers

SANTICLER – Bodysuits (US, CA, EU, UK, AU, NZ)

The perfect bodysuits for easy layering. Exclusive 20% off with code SANTICLER20 (Minimum spend $300. Only available in the US, Canada, the EU, the UK, Australia, and New Zealand.) (Ends: 10 NOV)

Checkout code: SANTICLER20

SANTICLER – Sweaters (US, CA, EU, UK, AU, NZ)

Sweaters and knitwear pieces for all seasons with timeless appeal and flattering silhuette. Exclusive 20% off with code SANTICLER20 (Minimum spend $300. Only available in the US, Canada, the EU, the UK, Australia, and New Zealand.) (Ends: 10 NOV)

Checkout code: SANTICLER20

SANTICLER – Accessories (US, CA, EU, UK, AU, NZ)

Luxurious accessories and gifts for the special one on the holidays list. Exclusive 20% off with code SANTICLER20 (Minimum spend $300. Only available in the US, Canada, the EU, the UK, Australia, and New Zealand.) (Ends: 10 NOV)

Checkout code: SANTICLER20

SANTICLER – New In (US, CA, EU, UK, AU, NZ)

Discover the Santicler Fall 2025 collection – an assortment of romantic pieces to take you from day into night. Exclusive 20% off with code SANTICLER20 (Minimum spend $300. Only available in the US, Canada, the EU, the UK, Australia, and New Zealand.) (Ends: 10 NOV)

Checkout code: SANTICLER20

SANTICLER is an US-based label that offers timeless collectors pieces curating modern silhouettes in womenswear. Founded by an early advocate of slow fashion and sustainability, its collections are designed and produced with intention to reduce waste, using more lower-impact materials such as GOTS-certified cotton and responsibly sourced wool.

Find most items offered in sizes XS-L.

See the rating.

Shop SANTICLER.

hernest project

Offers

Hernest Project – Site-wide (CA, US, EU)

Loungewear and sleepwear including t-shirts, shorts, joggers with pockets, sweatshirts, and v-necks made with more sustainable fabrics. 60% – 80% off site-wide. (Only available in the US, Canada and the EU.) (Ends: 14 NOV)

hernest project makes comfortable loungewear and sleepwear for women using premium, lower-impact fabrics.

Find the range in sizes 2XS-4XL.

See the rating.

Shop hernest project.

Oobi

Offers

Oobi – New-In

Oobi focuses on ethically made, high-quality garments designed for children aged newborn to 12 years. Exclusive 25% off with code OOBIGOODONYOU (Sale items excluded.) (Ends: 16 NOV)

Checkout code: OOBIGOODONYOU

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.

See the rating.

Shop Oobi pre loved @ Retykle.

Editor's note

Feature image via Unsplash, other images via brands mentioned. Good On You publishes the world’s most comprehensive ratings of fashion and beauty brands’ impact on people, the planet, and animals. Use our directory to search thousands of rated brands.

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