15 Sustainable Plus Size Wedding Guest Dresses to Get Noticed

sustainable plus size wedding guest dresses
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Weddings are heavenly! The union of two souls, the cheer in the air, the joyous faces all around, and the heartwarming witness of vows. Just so divine. But wait! It’s never that simple, right? Because this moment comes after months of extravagant planning. The pressure on curvy brides-to-be to look their best in sustainable plus size wedding dresses on the “D-Day” is REAL. But as guests, we too go through sleepless nights finalizing that perfect look to stand out in the crowd.

Whether you’re attending a close friend’s wedding or going as a +1 with your beau, these occasions often call for new purchases. And as conscious curvy consumers, hunting for brands offering sustainable plus size wedding guest dresses and accessories which can be used beyond the one-day celebration can be exhausting.

But Babes, I’ve got your back! A list of size-inclusive planet-friendly brands with super-chic wedding guest dresses is rounded up just for you to put that hard-earned money into good use. And if you’re honored to be a bridesmaid in a dear one’s wedding, then that’s sorted too with a stunning line of sustainable plus size bridesmaid dresses along with plus size cocktail dresses for other events.

Oh! And for the plus-size men out there, you’re in for a treat because we’ve got something for you too. You’ll never know until you check it out. Happy Scrolling!

15 Best Sustainable Plus Size Wedding Guest Dresses for Getting Noticed

1. Whimsy+Row
2. Neu Nomads
3. Reformation
4. Universal Standard
5. Tamga Designs
6. Bastet Noir
7. Karen Kane
8. Mother Of Pearl
9. Hope & Harvest
10. Son de Flor
11. Stella McCartney
12. Rent The Runway
13. Suit Supply
14. Ministry Of Supply
15. Opera Campi

These sustainable brands will definitely help you achieve that showstopper look with high-quality classic pieces that can be worn multiple times.

1. Whimsy+Row

sustainable plus size wedding guest dresses
Source: whimsyandrow / Instagram

Place of origin: Los Angeles, California, United States
Founder: Rachel Temko
Sustainable Materials Used: Certified Organic Cotton, TENCEL™ Lyocell, TENCEL™ Modal, Linen, Cupro, Silk and Deadstock fabrics
Product Range: Lola Wrap dresses in multiple shades, Fiona dresses in multiple shades, Camille slip dresses, Rib knit dresses, Sidney dresses in multiple shades, etc.
Size Range: XS-XL. Selective dresses range up to 3XL
Price Range: $186-$278
Shipping: Worldwide

Whimsy+Row’s elegant dresses are perfect for nailing that wedding guest look. With beautiful feminine colours, right fits and sexy silhouettes, this brand surely knows how to make you look the best dressed at weddings or any special occasion. Whimsy+Row creates its collection in limited quantities to reduce its carbon footprint while keeping the pieces unique. The waitlist feature on the brand’s website gives them an idea of exactly how much of each product they need to make, ensuring they don’t over or under-cut fabrics. So the next time you find that most desired dress out of stock, make sure to add it to your wishlist to be notified when they’re back in stock. Whimsy+Row’s factory partners are located within miles of their office, and the brand’s team makes weekly factory visits to guarantee fair trade practices are observed.

2. Neu Nomads

sustainable plus size wedding guest dresses
Source: neu.nomads / Instagram

Place of origin: Brooklyn, New York, United States
Founder: Karen Wood
Sustainable Materials Used: GOTS certified organic cotton, Linen, TENCEL™ Lyocell, Recycled fabrics, etc. 
Product Range: Easy slip dresses in multiple colours, Marbel printed dresses, etc.
Size Range: XXS-2XL. Check Size Guide
Price Range: $155-$ 245
Shipping: Worldwide

Neu Nomads started its journey as a sustainable fashion brand in 2018. Inspired to dress today’s modern contemporary women, this brand’s wedding guest dress collection is minimalist yet classic. Designed with timelessness and practicality in mind, Neu Nomads’ sustainable wedding guest dresses are stylish, lightweight and can be effortlessly layered or combined with other pieces. A few touch-ups with gold jewellery, a pair of statement sandals, and Voila! you’re all set to slay.All of the brand’s products are ethically manufactured in fair trade facilities using eco-friendly materials and non-toxic certified dyes. The ethics-first brand also uses 100% biodegradable packaging.

3. Reformation

sustainable plus size wedding guest dresses
Source: reformation / Instagram

Place of origin: Los Angeles, California, United States
Founder: Yael Aflalo
Sustainable Materials Used: Organic silk, Organic cotton, TENCEL™ Lyocell, Deadstock fabrics, etc.
Product Range: Silk dresses, Balloon sleeved dresses, Slit dresses, Wrap dresses, etc.
Size Range: XS-XL. Up to Size 24. Check Size Guide
Price Range: $135-$268
Shipping: Worldwide

Reformation is a well-known eco-friendly fashion brand that offers super-stylish and aesthetically pleasing clothes to get you through every occasion. The brand’s sustainable wedding guest dresses are sophisticated, modern and made with the goal that when clothes are created this high-fashion, they’re sure to be loved and worn multiple times. In addition, the Climate Neutral brand has its own factories that provide a safe and fair working environment. They use recycled fabrics and certified natural textiles such as linen, cotton, hemp and many more in their entire collection. Dressed to kill, you can never go wrong with a Reformation piece.

4. Universal Standard

sustainable plus size wedding guest dresses
Source: universalstandard / Instagram

Place of origin: New York, United States
Founders: Polina Veksler and Alex Waldman
Sustainable Materials Used: Recycled fabrics, Peruvian cotton, Stretch linen, French satin, etc.
Product Range: Long-sleeve V-neck dresses, Shift dresses, Wrap dresses, Slit maxi dresses, etc.
Size Range: 4XS-4XL. Check Size Guide
Price Range: $155-$198
Shipping: Worldwide

Universal Standard claims to be the most size-inclusive sustainable brand in the world. With the idea that women of every size deserve to look their best and feel confident in what they wear, this brand breaks the stereotype size-inclusive barrier by offering stylish clothing up to size 40. The brand is obsessed with fine cuts, and their collection of simple yet chic sustainable plus size wedding guest dresses is perfectly engineered to accentuate your curves. Universal Standard’s entire collection is ethically made in fair trade factories with high-quality sustainable fabrics. Plus, they also contribute or raise funds for multiple environmental causes.

5. Tamga Designs

sustainable plus size wedding guest dresses
Source: tamgadesigns / Instagram

Place of origin: Toronto, Ontario, Canada
Founders: Yana Barankin & Eric Dales
Sustainable Materials Used: TENCEL® Lyocell, LENZING™ Ecovero, MICROTENCEL®, European linen and LENZING Modal
Product Range: Flowy maxi dresses, Midi dresses, Bohemian printed mini dresses, Wrap dresses, etc.
Size Range: XS-2XL. Check Size Guide
Price Range: $55-$179
Shipping: Worldwide

Tamga Designs’ sustainable clothing collection is fun, fairy-like and free-spirited. Be it a garden wedding or a beachy affair, their Bohemian-inspired easy-breezy dresses are made to fascinate the crowd. The brand has created a transparent supply chain by using responsibly sourced eco-friendly materials, like Tencel, Lenzing Ecovero and so on, in its clothes. Tamga Designs is an active member of the 1% for the planet initiative and also works with fair trade partner factories that prioritize the ethical treatment of garment workers. With pieces designed to make you feel like a dainty fairy, Tamga Designs is here to leave a positive social and environmental impact and will fit both your budget and your values.

6. Bastet Noir

sustainable plus size wedding guest dresses
Source: bastetnoir / Instagram

Place of origin: Ohrid, Macedonia
Founder: Daniela Milosheska
Sustainable Materials Used: Organic cotton, Responsible silk, Cupro silk, Linen, Satin silk, French terry cotton, etc.
Product Range: Front knot dresses, Mini dresses, High slit maxi dresses, Silk gowns, Co-ord sets, etc.
Size Range: Up to UK 24, Or US 20. Check Size Guide
Price Range: $150-$219
Shipping: Worldwide

BASTET NOIR is a sustainable, zero-waste fashion brand with an incredible collection of bespoke, elegant dresses that make you feel like a Greek Goddess, regardless of size. Their dresses are specifically made-to-order as per your measurements, ensuring excellent one-of-a-kind fits. Plus, this operating method also helps the brand to cut on overproduction. Each piece is handcrafted in dreamy silhouettes using discarded materials by single women parents’ community in North Macedonia. With a strong commitment towards supporting these underprivileged women and funding their children’s education, BASTET NOIR also contributes heavily.

7. Karen Kane

sustainable plus size wedding guest dresses
Source: karenkane / Instagram

Place of origin: Los Angeles, California, United States
Founders: Lonnie & Karen Kane
Sustainable Materials Used: Eco-friendly materials
Product Range: Tie waist midi dresses, A-line dresses, Knit maxi dresses, Sweater dresses, etc.
Size Range: Up to 3XL. Check Size Guide
Price Range: $108-$158
Shipping: Worldwide

The story of Karen Kane started with the goal of making women feel beautiful and confident in their skin. Ethically made with sustainable fabrics, this brand’s classic and versatile designs are super-chic, reasonably priced and hug you in all the right places. With Karen Kane, you’ll always be dressed to impress, be it their flowy wrap number or an elegant sheer silk piece. The Certified B-Corp brand’s collection of sustainable plus size wedding guest dresses are made in timeless black and navy blue hues, which works wonders for weddings of all seasons. Karen Kane has also been working on women’s empowerment, and today, over 70% of the brand’s management team comprises of women.

8. Mother Of Pearl

sustainable plus size wedding guest dresses
Source: motherofpearl / Instagram

Place of origin: London, United Kingdom
Founder: Amy Powney
Sustainable Materials Used: GOTS certified organic cotton, Ethically certified silk, TENCEL™ Lyocell, TENCEL™ Modal, etc.
Product Range: Ramona dresses in multiple shades, Spot print dresses, Maxi dresses, Floral printed dresses, etc.
Size Range: XS-XL
Price Range: $413-$655
Shipping: Worldwide

Based in East London, Mother of Pearl is a luxury womenswear brand with sustainability at its heart. For creating a wedding guest look, you can never go wrong with their oh-so-chic and charismatic dresses that make you feel like a million-dollar babe. To create long-lasting, versatile pieces, Mother of Pearl designers know precisely the right mix of superior quality and seasonless styles. Traceability, a transparent supply chain and a socially responsible ethos have always been this brand’s priorities.  Each of their dresses is a treasured closet piece fused with feminine detailing and luxe fabrications of 100% eco-friendly materials. The brand has also listed 12 attribute filters for each product to ensure you a guilt-free shopping experience. Plus, you can also rent or buy a pre-loved MOP piece from their OnLoan partner and save a few bucks.

9. Hope & Harvest

sustainable plus size wedding guest dresses
Source: hopeandharvest / Instagram

Place of origin: Victoria, Australia
Founder: Harvest Powell
Sustainable Materials Used: Organic cotton, Modal, etc.
Product Range: Long sleeve dresses, Short sleeve dresses, Maxi dresses, Shirt dresses, Classic LBDs, etc.
Size Range: Up to US 22. Check Size Guide
Price Range: $89-$134
Shipping: Worldwide

Hope & Harvest is undeniably a boon for plus-size beauties. Consciously ‘engineered for curves,’ with just the right cuts and eco-friendly materials, this label’s dresses can be a go-to for every wedding attendee. Be it a winter ceremony or a summer reception; this brand has something for all your party needs in a vibrant colour palette of burgundy, navy blue, sage green, floral prints and so on. Ethically crafted in local fair trade factories of Victoria, Australia, Hope & Harvest’s dresses are key investment pieces with supreme fits in timeless trends, which will forever remain wardrobe staples. So far, the sustainable fashion brand has dressed many celebrities, got featured in popular magazines, and is considered one of the world’s best plus-size labels.

10. Son de Flor

sustainable plus size wedding guest dresses
Source: sondeflor / Instagram

Place of origin: Kaunas, Kauno, Lithuania
Founders: Indre and Vaida Ribinskaite
Sustainable Materials Used: Certified European Linen and Responsible wool
Product Range: Long sleeve flowy dresses, Peter Pan collar dresses, Wrap dresses, Mini dresses, etc.
Size Range: 2XS-2XL. Check Size Guide
Price Range: $178-$219
Shipping: Worldwide

Son de Flor was brought to life by two sisters who were weary of keeping up with the ever-changing seasonal fast fashion. With the idea to create ‘permanent beauty,’ this slow fashion brand’s timeless and high-quality pieces are made using one of the most durable and sustainable materials-Linen. Who said flax linen is all about grungy-looking clothes? Because Son de Flor is changing that for a fact with their super-feminine, graceful and subtle dresses, perfect for getting you through formal events or weddings. Or you can also wear them regularly by accessorizing up or down as the occasion demands. The brand sources Oeko-Tex®100 certified EU linen from small-scale fair trade producers, and Son de Flor’s in-house seamstresses do all the sewing and stitching. Also, for every purchase you make, they plant a tree.

11. Stella McCartney

Source: stellamccartney / Instagram

Place of origin: London, United Kingdom
Founder: Stella McCartney
Sustainable Materials Used: Organic cotton, Responsible silk, MIRUM®, Recycled materials, etc.
Product Range: V-Neck maxi dresses, A-line dresses, Slip dresses, Double satin evening dresses, Puff sleeved mini dresses, Satin slit maxi dresses, etc.
Size Range: Up to 48
Price Range: $770-$5,700
Shipping: Worldwide

Invited to your ex’s wedding, or that mean friend’s reception party? Well, luxury designer Stella McCartney is here to cure your midnight worries about nailing that fierce wedding guest look. With high-fashion classic designs and supreme cuts, Stella McCartney dresses are what dreams are made of. The designer brand uses the finest sustainable materials to create the most luxurious and contemporary designs while being kind to the planet. Stella McCartney strongly supports ethical practices, and every employee in the brand’s supply chain is entitled to fair wages, reasonable working hours and a safe working environment. The brand has also partnered with multiple initiatives and foundations to transition towards a much needed circular economy.

12. Rent The Runway

sustainable plus size wedding guest dresses
Source: renttherunway / Instagram

Place of origin: New York, United States
Founders: Jenn Hyman and Jenny Fleiss
Product Range: Dresses fit for weddings, receptions, formal events, etc.
Size Range: 0–22
Price Range: $79-$275 per month
Shipping: Shipping across the United States

Why buy when you can rent designer looks at a quarter of the price tag? Rent The Runway is a premium subscription-based rental marketplace that has got you covered for every occasion, including weddings, galas, and whatnot. With looks to die for, Rent The Runways’s wedding guest dresses are luxurious, ravishing and command attention by flattering your curves and making you feel like a Queen. You can easily find your fit by selecting from a ton of filters and renting them out for a certain period of time. The brand started with a mission to allow women the opportunity to choose from an infinite collection of looks per occasion without indulging in fast fashion trends and overconsumption. Rent The Rental’s revolutionary business model is undoubtedly helping volumes of clothes to stay out of landfills.

13. Suit Supply

sustainable plus size wedding guest dresses
Source: suitsupply / Instagram

Place of origin: Amsterdam
Founder: Fokke de Jong
Sustainable Materials Used: Organic cotton, Linen, Merino wool, Stretch wool, etc.
Product Range: Jackets, Vests, Blazers, Tuxedos, Dress shirts, Turtlenecks, Trousers, etc.
Size Range: XS-4XL
Price Range: $449-$699
Shipping: Worldwide

Searching for sustainably made men’s wedding guest looks is no easy task, and it gets even more complicated when you’re looking for extended sizings. But Suit Supply is here to save your day. This sustainable men’s fashion brand has dapper jackets, vests, blazers and eveningwear tailored to perfection. It gives you all the sophisticated, classy, structured looks in custom sizing that make every woman go weak on their knees. You can also take inspiration from the brand’s styling guides to curate exclusive looks. With 150 stores worldwide, Suit Supply is a Fair Wear Foundation member and only works with ethical suppliers that observe the International Labour Organization standards.

14. Ministry Of Supply

sustainable plus size wedding guest dresses
Source: ministryofsupply / Instagram

Place of origin: Boston, Massachusetts, United States
Founders: Aman Advani & Gihan Amarasiriwardena
Sustainable Materials Used: Scientifically engineered low-impact materials
Product Range: Jackets, Vests, Blazers, Tuxedos, Dress shirts, Turtlenecks, Trousers, etc.
Size Range: Up to 48. Check Size Guide
Price Range: $194-$498
Shipping: Worldwide

Based in Boston, Ministry of Supply was born out of MIT peers. The sustainable brand’s designs are human-centred and made through extensive scientific research, ensuring a minimal carbon footprint. A perfect example of radically engineered fashion clothing, this Carbon Neutral label’s garments are designed to absorb sweat and odour and allow ventilation. Plus, they don’t wrinkle, so there is no hassle of ironing or dry cleaning. So cool! With sizes up to 4XL, their clothing options to get you event-ready are endless. Be sure to be the talk of the town with Ministry of Supply’s innovative, high-quality and attention-to-detail structured apparel.

15. Opera Campi

sustainable plus size wedding guest dresses
Source: operacampi / Instagram

Place of origin: Parma, Italy
Founder: Alberto Ziveri
Sustainable Materials Used: Organic Hemp
Product Range: Jackets, Shirts, Trousers, etc.
Size Range: 3XS-3XL. Check Size Guide
Price Range: $285-$495
Shipping: Worldwide

Soon to attend a beach wedding or a laid-back affair? What better than Opera Campi? The Italian brand is obsessed with the sustainability level of organic hemp and uses this sole material in its entire collection. Their garments are made of premium quality, locally produced hemp, known for its durability and breathability. By embracing a balanced approach to sustainability, Opera Campi helps you with wardrobe staples that can get you through low-key, relaxed weddings. The brand also follows a transparent supply chain and donates 4% of its profits to multiple social causes.

Final Thoughts

Weddings are fun! And as we close in, we’re positive to be able to help you with sustainable brands’ information to sort out your wedding guest dress hunting. While impulsive special event buys can be extremely wasteful, these brands are here to dress you in jaw-dropping numbers with capsule pieces that can be worn for decades and still remain timeless. So what’s with the wait? Shop for that dress and dance the night away. Let’s give them some looks. 

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