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Person in a red jacket
02 Jun
Person in a red jacket

More Sustainable Fashion Brand Offers This June 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

No Nasties

Rated: Great

Offers

No Nasties – Site-wide

These zero-waste organic cotton classics are knit from yarn into the exact shape of the garment, eliminating fabric waste. Exclusive 10% off with code NONASTIES10 (Ends: 28 JUN)

Checkout code: NONASTIES10
Shop now

No Nasties – Women’s Bottoms

Tailored, but not tight. Breezy, but not shapeless- made from organic cotton and linen. Exclusive 10% off with code NONASTIES10 (Ends: 21 JUN)

Checkout code: NONASTIES10
Shop now

No Nasties – Site-wide

Waffle bath towels: crafted with organic waffle, naturally lightweight and incredibly soft. Exclusive 10% off with code NONASTIES10 (Ends: 16 JUN)

Checkout code: NONASTIES10
Shop now

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.

See the rating.

Shop No Nasties.

SeamsFriendly

Rated: Good

Offers

SeamsFriendly – Site-wide

Handcrafted tailor-made clothing for women, men and kids of all body types, sizes and heights. Exclusive 15% off with code SF-GY15 (Sale items excluded.) (Ends: 17 JUN)

Checkout code: SF-GY15
Shop now

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

Rated: Great

Offers

Mila.Vert – Site-wide

As Mila.Vert prepares for new summer collections, a selection of their pieces will soon be discontinued. 25% off site-wide. (Ends: 17 JUN)

Shop now

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.

Nui Organics

Rated: Good
Someone with children dressed in tops and bottoms by Nui Organics.

Offers

Nui Organics – Women’s Merino Silk Rib Tanks

Merino Silk Rib tank, all-season 100% natural. Soft, flattering and always in rotation. Bundle and save 25% on 3 or more rib tanks. (Ends: 20 JUN)

Shop now

Nui Organics – Merino Kids Socks

Merino wool socks for kids - thick and juicy Lounge Socks and all-year Nature Socks. 60% off with code SOCK60 (Ends: 18 JUN)

Checkout code: SOCK60
Shop now

Nui Organics – Merino Baby Socks

Merino wool socks for babies in singles and 5-packs. 60% off with code SOCK60 (Ends: 18 JUN)

Checkout code: SOCK60
Shop now

Nui Organics – Merino Women’s Socks

Merino wool socks for women - thick and juicy Lounge Socks and all year Nature Socks. 60% off with code SOCK60 (Ends: 18 JUN)

Checkout code: SOCK60
Shop now

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.

See the rating.

Shop Nui Organics.

BAM

Rated: Good

Offers

BAM – Tops (UK)

Lightweight and super soft tops and t-shirts. 30% off. (Only available in the UK.) (Ends: 23 JUN)

Shop now

UK-based BAM makes womenswear and menswear basics from bamboo, and rates “Good” for people, the planet, and animals. The brand traces most of its supply chain and also offers clothing recycling to consumers to help address end-of-life textile waste.

Find most items in sizes XS-L.

See the rating.

Shop BAM.

Oobi

Rated: Good
little girl wearing blue and pink flower dress by oobi

Offers

Oobi – Site-wide

Oobi focuses on ethically made, high-quality garments designed for children aged newborn to 12 years. Exclusive 15% off with code GOOD15 (First order only.) (Ends: 4 JUL)

Checkout code: GOOD15
Shop now

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.

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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