7 Sustainable Slip Dresses For Summer 2026
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Our editors have found and reviewed the best slip dresses made by sustainable brands โ these are our top picks.
Tight-fitting clothes in 90-degree weather? No, thanks โ we can feel the sweat pooling already.
Weโre all about easy, breezy basics this summer, like slip dresses that can be quickly dressed up or down with a quick change of shoes, accessories, or layers. Weโve narrowed down our favorites to the seven brands below, designed with lightweight and breathable fabrics like linen and silk โ which are responsibly sourced, to boot. Donโt just survive the heat this summer, thrive in style. ๐
Our criteria:
- ETHICAL PRACTICES | These brands adhere to ethical and responsible labor practices, ensuring their employees receive fair wages and have safe working environments. Weโve also included brands that give back to their communities.
- ECO-FRIENDLY/SUSTAINABLE | Each of these brands practices sustainability throughout their manufacturing process, including using all natural and organic materials, low-impact processes, and recycled/upcycled materials where possible.
- INCLUSIVE PRICES + SIZING | We get that sustainable fashion can be expensive, which is why we’ve looked for affordable brands that value inclusive sizing for customers.
Don’t miss sustainable sandals or summer hats to complete your wardrobe.
1. Quince
Best For | Affordable silk
Sustainable Materials | Mulberry silk
Sizes | XS โ 3X
Price | $90 — $100
Quince makes effortless basics at affordable price points, and the 100% Washable Silk Slip Dress is a must-have in our summer capsule wardrobe. There are more than 10 colors to pick from, from a beautiful forest green to pearlescent champagne โ all made with washable mulberry silk with a satin sheen. This piece will hug your curves and hit just around the knee, making it an immediate go-to for date night. The silk meets OEKO-TEX and Bluesign standards and will last for years to come.
Customer Review | “Been looking for a quality slip dress that looks elegant and flattering. So many hang awkwardly/bunch in places you don’t want or are simply too expensive. This dress surpassed all expectations. Will be ordering in many more colors. If you’re on the fence – do it.” – Lauren B. (Read all reviews.)
2. Boody
Best For | Vegan slip dresses
Sustainable Materials | Viscose bamboo, organic cotton
Sizes | XS โ XL
Price | $70
Whether for sleep or summer style, Boody‘s V-Neck Slip Dress is each to reach for. It’s breathable and light, perfect for throwing on to run errands while looking your best self. Or, you can wear it as a layering or nighttime essential โ available in two colors, black or navy, and designed to hit at the ankle. You can rest easy knowing this slip dress is ethically and sustainably produced by the B Corp using FSC-certified and OEKO-TEX certified bamboo.
Customer Review | “This dress is soft, versatile, stretchy, you can layer it up for winter or it’s perfect as it is for summer. It’s the best dress I have ever brought. Oh I also cut it shorter and it doesn’t fray!!!! Love it.” – Rachael (Read all reviews.)
3. Christy Dawn
Best For | Organic cotton slip dresses
Sustainable Materials | 100% organic cotton
Sizes | XS โ XXL
Price | $68 — $108
For simple, organic cotton slip dresses, we recommend Christy Dawn. The Mattie Slip is made from 100% regenerative organic cotton — it’s lightweight, breathable, and versatile, designed to look complete on its own as a mini or as a layering piece for under sheer dresses. Reviewers say that the fabric is soft enough to sleep in and that it “softens and forms to your body over time,” making it even more comfortable with every wear and wash. We love that Christy Dawn offers both solids as well as a whimsical seasonal pattern or two.
Customer Review | “Very comfortable cotton fabric. True to size. I bought many colors of this slip.” – SzuHua W. (Read all reviews.)
4. Reformation
Best For | Special occasion wear
Sustainable Materials | Silk, viscose, Tencel, deadstock fabrics
Sizes | XS โ XL
Price | $148 โ $378
Since 2009, Reformation has been on a mission to make sustainable fashion accessible to everyone. The brand worked towards becoming Climate Positive in 2025, and by 2030, everything they make will be part of a circular fashion system. Reformationโs slip dresses are a perfect example of this commitment, offering a wide variety of unique styles that you wonโt find anywhere else โ perfect for special occasions! Plus, Reformationโs RefScale tracks the carbon and water footprint of every item, so you can see exactly how their pieces stack up in sustainability.
5. Jungmaven
Best For | Linen feel slip dress
Sustainable Materials | Hemp and organic cotton
Sizes | XS โ 2X
Price | $158
Jungmavenโs Sundance Slip Dress is the kind of easy staple piece youโll reach for all summer long. Made from a lightweight blend of 45% hemp and 55% organic cotton, it has the airy feel of linen with a soft, broken-in texture that only gets better over time. The relaxed silhouette, delicate spaghetti straps, and hidden side pockets make it just as easy to dress up with sandals as it is to throw on over a swimsuit. Better yet, hemp is one of the most sustainable natural fibers, requiring less water and fewer pesticides than conventional crops while helping improve soil health, making this an easy choice for both your wardrobe and the planet.
Customer Review | โIncredible fabric, beach cover up, nightie, dress her up with heels and a fan/necklace/jacket or sneakers and a button down for river days. Worth every penny.โ – Adrienne B. (Read all reviews.)
6. Buck Mason
Best For | Linen slip dress
Sustainable Materials | Linen
Sizes | XS โ L
Price | $258
Buck Masonโs relaxed slip dress โ made from lightweight plain weave slubby linen โ offers an easy drape, hitting at the ankle. It features adjustable spaghetti straps, a v-neckline, a side-seam zipper, and comes in two versatile neutrals: dark navy and clove. With an open back and a lived-in feel, itโs perfect for casual yet elevated comfort. As a bonus, Buck Mason offers returns within 365 days of purchase, as long as the tag is still on.
7. Whimsy + Row
Best For | Lightweight slips
Sustainable Materials | Cupro, organic cotton, Tencel, viscose, linen
Sizes | XS โ XL
Price | $128 — $198
Whimsy + Row features stylish, sustainable slip dresses in a variety of styles, and each clothing item is produced locally on limited runs, ensuring unique pieces while cutting down on waste. Here youโll find slip dresses made from eco-friendly fabrics like Tencel, organic cotton, and upcycled materials that are kind to the planet. Whimsy + Row is also committed to being carbon-neutral with a zero-waste mindset in place โ from using fabric scraps for fun accessories to packing everything in recycled materials, youโll support slow and sustainable fashion with every purchase.
Customer Review | โI have been wanting a beautiful black dress for some time now and this was exactly what I was looking for! I feel spectacular in it and it fits almost just right. I think the sides could be a little more fitting, but otherwise it fits just as the measurements say! The fabric feels so lovely and thicker than I expected. I love it! I can’t wait to wear it!โ – Mandy (Read all reviews.)
Featured image is from Cuyana
