Our Top 19 Brands for Sustainable Wedding Guest Outfits

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.

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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 sustainable first ethos. Find it in sizes XS to XL.

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Dressarte Paris is a custom-made clothing label that curates unique clothing for a worldwide clientele. It sources luxurious surplus and eco-friendly 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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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.

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What’s a wedding outfit without a stunning handbag? Mashu is a British 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!

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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!

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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.

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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 to 42, or in custom sizing.

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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.

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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.

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PETA-approved vegan, the Vuur Vuur kitten heels are perfect for any passion-filled occasion. Funky Kalakar is an Indian brand that brings alive the stories of ancient craft in the form of contemporary vegan shoe and handbag designs by handcrafting them using natural materials. Find its range of shoes in EU sizes 36-41.

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O My Bag merges style and a responsible approach, creating vintage inspired, rugged-chic bags made from eco-friendly, 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!

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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.

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Made from 100% certified organic cotton, this dress shirt in white is the perfect match for your 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.

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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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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 XXXS-3XL.

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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 sustainable wedding guest needs. Love! Available in EU sizes 36-46.

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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 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.

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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!

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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 sustainable wedding guest needs!

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