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31 May

Our Top 19 Brands for More Sustainable Wedding Guest Outfits

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Weddings can be stressful—for the couple, their families, and yes, sometimes even their guests. Regardless of whether you’re supporting a close friend or going as a +1, this special occasion is often a cause for a new purchase. Whether it’s a new clutch, gown, or suit, for eco-conscious buyers it can be pretty tough to find something that goes beyond the one-day celebration.

While these kinds of celebrations can lead to wasteful buys, we’ve compiled a list of our top 19 ‘Good’ and ‘Great’ brands that will help you dress to the nines in more sustainable wedding guest attire. Below you can find classic and minimal wedding guest styles by Whimsy + Row (US), timeless men’s dress shirts by CARPASUS (Switzerland), and if you’re looking for something second hand, Reformation’s (US) pre-owned dresses will have you dropping jaws and dancing the night away. With that, happy browsing!

Whimsy + Row

Rated: Good

Fiona Dress in Blush – Ships internationally from the US

Who needs 27 Dresses when you have the Whimsy + Row’s Fiona Dress! Choose from an array of colours including soft blush or subtle sage for the perfect wedding guest look. This sexy slip has adjustable straps for the right fit, while the bias cut creates an elegant cowl back and midi-length flare at the bottom. By limiting each garment to short runs, Whimsy + Row utilises deadstock fabric, reduces packaging waste, and takes care of precious water resources.

Find most products in XS-XL.

See the rating.

Shop Whimsy + Row.

Shop Whimsy + Row @ Earthkind.


Rated: Good
front and back view of model posing in patterned slip dress by Katla

Maria Slip Dress – Ships internationally from the US

Using sustainably sourced, Ecovero, Katla’s Maria Slip Dress brings playful pops of colour to a timeless, elegant silhouette. Created with purpose for longevity, its sleek, unique design will have you wowing at the party, and give you plenty of wear after. With a modern aesthetic where style meets sustainability, Katla is a loungewear brand that creates timeless essentials in limited, zero-waste production runs, abiding by more sustainable first ethos.

Find it in sizes XS to XL.

See the rating.

Shop Katla.

Dressarte Paris

Rated: Good
sketch of dress and grey bespoke dress by Dressarte Paris

Bespoke Dress – Ships internationally from France

Dressarte Paris is a custom-made clothing label that curates unique clothing for a worldwide clientele. It sources luxurious surplus and lower-impact fabrics promoting more sustainable practices. Its bespoke dresses are made to order to not only help minimise textile waste but celebrate all sizes, and give you the best fit.

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Shop Dressarte Paris.

The R Collective

Rated: Great

Calabash Dress – Ships internationally from Hong Kong

The R Collective’s womenswear collections are made by reusing rescued excess materials from leading luxury brands and reputable manufacturers. Inspired by the Kimono, the clever Calabash Dress can be worn several ways. Cut from liquid-like upcycled Japanese satin with a hint of sheen, wear this beautiful, versatile dress with your favourite pumps to look absolutely fierce!

The garments are offered in two sizes: XS-S and M-L.

See the rating.

Shop The R Collective.


Rated: Good

Nicole Black – Ships internationally from the UK

What’s a wedding outfit without a stunning handbag? Mashu is a British more sustainable and vegan accessories label specialising in luxury handbags. The Nicole is inspired by vintage purses with a Mashu twist. Gorgeously crafted from vegan cactus leather and 100% recycled polyester lining, this beauty has just enough space to meet all of your wedding day needs!

See the rating.

Shop Mashu.


Rated: Great

Denim Dress with a Belt – Ships internationally from Slovenia


People in clothing available for pre-order by Mila.Vert.

Mila.Vert – Pre-orders

Pre-ordering with Mila.Vert helps to avoid overproduction. Find your favourite styles for less. Enjoy 30% off pre-orders. (Ends: 15 MAR)

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While denim may seem too casual for a wedding, Mila.Vert is changing this status quo, offering a contemporary, sleek piece that can be dressed up or down. This sleeveless dress has a notched neckline and a versatile fabric belt that can be tied in different ways, creating an elegant shape with a sturdy material. The Slovenia-based brand wants to make desirable clothing, avoiding the ethical and environmental issues that the fashion industry represents.

Find garments in sizes XS-XL, or make a custom fit order free of charge!

See the rating.

Shop Mila.Vert.


Rated: Good

New Spoon Scoop Earrings – Ships internationally from the US

Classy, but with a modern twist. The New Spoon earrings are sure to turn heads. Every piece of ARTICLE22 jewellery is locally handcrafted in Laos using recycled materials from Vietnam War bombs, plane parts, military hardware, and other aluminium scraps. The brand embodies the innovation that the fashion industry needs more of—using recycled materials to produce beautiful globally-marketable products, while equipping local artisans with new skill sets and providing them with a sustainable source of income.

The range is available in sizes S-XL.

See the rating.



Rated: Good
woman wearing light pink jumpsuit by bastet noir

Farah Jumpsuit – Ships internationally from Macedonia

BASTET NOIR offers custom-made clothing manufactured by women in Macedonia, ensuring that every purchase contributes to the welfare and education of these women and their children.

Find most items in sizes 36-42, or in custom sizing.

See the rating.



Rated: Great

TYRAA WATERCOLORS – Ships internationally from Germany

Subtle, but not too overpowering, the Tyraa Watercolors dress is perfect for your next ‘tie the knot’ occasion. PETA-approved vegan, the Tyraa is made from LENZING™ ECOVERO™, or the world’s most environmentally friendly viscose fibre made sustainably from European woods. The material falls lightly, with a silky and shiny look and is pleasant on the skin.

Garments are available in sizes XS-XL.

See the rating.

Shop Armedangels.

Shop Armedangels @ Earthkind.


Rated: Good

Vicky Flats – Ships internationally from the US


Close view of pointed-toe shoes with heart brooch clip by VEERAH.

VEERAH – Site-wide

Add a touch of love to every step with VEERAH's new heartbeat brooch clips. Explore versatile vegan shoes, from pointed-toe pumps to stylish, chic flats. Exclusive 10% off all full priced items for first-time purchases with code VEERAHGOOD10. (Ends: 6 MAR)

Checkout code: VEERAHGOOD10
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VEERAH is an NYC-based designer vegan shoe company founded and led by women to "do good and look incredible". Its innovative apple peel leather shoe collection is crafted with cushioned insoles made from algae blooms. Each pair is transformative with interchangeable shoe accessories to create more looks with less. It is made for warriors "killin' it with kindness".

Find most shoes in US sizes 5-11.

See the rating.


O My Bag

Rated: Good

Travel Pouch – Ships internationally from the Netherlands


Square tote bag by O My Bag.

O My Bag – Site-wide (US, NL, BE, DE)

Shop ethically made bags and accessories made from more sustainable materials, changing the world one bag at a time. Free shipping on all orders over €100 (Available in the Netherlands, Belgium, and Denmark), and on orders over $200 (Available in the US). (Ends: 17 MAR)

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O My Bag merges style and a responsible approach, creating vintage inspired, rugged-chic bags made from lower-impact, high quality materials. The Dutch label also uses low impact and non-toxic dyes in its products. In line with this ethos, the Travel Pouch comes in an assortment of colours, including this stunning fire-engine red, and is a must-have wedding accessory. Pile in your lipstick, wallet, and other essentials to have the perfect evening with your friends and family. Sweet!

See the rating.

Shop O My Bag.

Mother of Pearl

Rated: Good

Heidi Noir Blossom Dress – Ships internationally from the UK

While maxi dresses are a typical wedding guest staple, a longer gown may not be suitable for a spring or summer wedding. Not to fret, Mother of Pearl has several options to choose from, including the lovely Heidi Noir Blossom Dress, which features a digitally printed Noir Blossom placed onto a soft tencel twill. Cut with a deep V neckline, the Heidi’s slim fit is contrasted with it’s balloon sleeves that gather at the shoulder.

Find most products, including this one, in UK sizes 6 to 16.

See the rating.

Shop Mother of Pearl.

Shop Mother of Pearl @ Rêve en Vert.

Shop Mother of Pearl Pre-Owned @ Vestiaire Collective.


Rated: Good
A sustainable white Oxford shirt by CARPASUS.

Dress Shirt White – Ships internationally from Switzerland

Made from 100% certified organic cotton, this dress shirt in white is the perfect match for your  more sustainable wedding guest outfit. It combines style, quality, and sustainability in an elegant way and was made under fair working conditions. CARPASUS also traces its supply chain and ensures workers are paid a living wage.

Find most products in EU sizes 36 to 46.

See the rating.


FUTURA Jewelry

Rated: Great

Contemporary Studs – Ships internationally from the US

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.

See the rating.

Shop FUTURA Jewelry.

Opera Campi

Rated: Good

H-Pant 2 – Ships internationally from Italy

Founded in 2017, Italian brand Opera Campi creates premium quality garments from locally-sourced raw materials. By using a balanced approach to sustainability, the brand makes conscious choices throughout its supply chain and donates 4% of its profits to social causes. The H-Pant 2 can be dressed up or down for any special occasion. Crafted from Hertoex, an innovative stretchy hemp, this pant is light, breathable, and flexible. Neat!

Garments are available in sizes 3XS-3XL.

See the rating.

Shop Opera Campi.

Good Guys

Rated: Good

Abbey Vegan Buckle Shoes in Black – Ships internationally from France

While we love the classic dress shoe look, for some, the costs of leather just aren’t worth it. Luckily, Paris based Good Guys can help with this. Made from high-quality, Italian vegan leather, the Abbey is a unisex dress shoe featuring an ultra-light sole and classic buckle for all your more sustainable wedding guest needs. Love!

Available in EU sizes 36-46.

See the rating.

Shop Good Guys.

Shop Good Guys @ Immaculate Vegan.

Jyoti – Fair Works

Rated: Good

Jacke JADU Blau – Ships within Europe from Germany

And, finally! A classy yet breathable blazer for any kind of wedding occasion. This PETA-approved vegan piece is meant to be laid-back, but still elegant. Wear it with a shirt and bow tie or without a tie for a more casual look if you want to feel relaxed. Truly embodying more ethical fashion practices, this blue cotton garment is handmade, dyed, and sewn in the brand’s workshop in Chittapur. What’s more, Jyoti provides employment for people from marginalised or disadvantaged groups in India.

Sizes available are S-XL.

See the rating.

Shop Jyoti.

For those who wish to give a second life

Reformation (Pre-Owned)

Rated: Good
women wearing stylish sustainable dress, jacket, and jumpsuit from Reformation

Second hand dresses – Ships internationally

These pre-owned dresses are sure to make an impression at any wedding. LA-based Reformation creates killer clothes that don’t kill the environment. The brand also ensures that a large proportion of its suppliers pay a living wage. Go Reformation!

See the rating.

Shop Reformation Pre-Owned @ Vestiaire Collective.

Alexander McQueen (Pre-Owned)

Rated: It's A Start

Second hand suits – Ships internationally

The iconic British fashion house is characterised by theatrical and bright styling. The brand has started to improve its environmental practices by setting a science-based target to reduce greenhouse gases in its own operations and supply chain by 50% per unit of revenue by 2025. Thanks to these policies, Alexander McQueen is on the right path and stands out from the majority of luxury fashion houses. In the meantime, the Good On You team recommends checking out previously owned McQueen pieces, including these iconic suits for all your more sustainable wedding guest needs!

See the rating.

Shop Alexander McQueen Pre-Owned @ Vestiaire Collective.

For those who don’t wish to buy

It’s not uncommon to hire out suits for the day, so it’s surprising that this trend is taboo for the party’s dress-wearers!

With the ‘rent-a-dress’ trend on the rise, eco-conscious wedding guests can consider hiring a dress instead. Saving you a fortune, the rental movement sees beautiful dresses being loved over and over again, rather than rotting away in the back of the closet after one wear (think 27 Dresses… again).

Vow To Be Chic

Vow to be Chic is a US-based bridal rental service. With the intent to “deliver luxury at affordable prices”, the online experience has complimentary bridal stylists available to help decide between the thousands of designer dresses on offer. Their “great fit” program allows you to request fabric swatches and gives detailed fitting guidance to ensure brides or guests the perfect fit for the perfect day.


Sydney-based formal wear rental service GlamCorner offers a wide variety of dresses to suit all tastes and occasions. The business also aims to introduce smaller designers to a larger market while emphasising the importance of environmental sustainability.

Well, that’s all folks. We hope this guide provided some helpful hints on how to nail your ideal version of sustainable wedding guest perfection without needing to sacrifice your ethics in the process.

Editor's note

Feature image via Whimsy + Row, all other images via brands mentioned. Good On You publishes the world’s most comprehensive ratings of fashion brands’ impact on people, the planet and animals. We love to recommend some of the best more sustainable brands, rated ‘Good’ or ‘Great’. We also encourage shopping pre-owned as another great way to reduce the impact of our fashion choices. Use our Directory to search thousands of rated brands.

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