By That Girl Whitney Team
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Nothing says summer like a sundress. It’s one piece, it keeps you cool, and it works for everything from grocery runs to backyard parties. For plus size women, though, finding the right sundress can take some trial and error. Straps that dig in and fabric that clings in the heat can turn a cute dress into an uncomfortable one.
The best sundresses for plus size bodies have a few things in common. They’re made from breathable fabric, and they offer real support through the bust. Once you know what to look for, you can spot a winner in a few seconds of scrolling.
The style you choose depends on how you’ll wear it. A tiered maxi works for an outdoor wedding or a vacation dinner, while a cotton smocked midi handles a hot day of errands.
This guide covers the features that make a sundress work for plus size bodies, then shares four styles to try this summer.
What to Look For in a Plus Size Sundress
Start with these features, which separate a great sundress from a disappointing one.
Breathable fabric. Cotton and linen let air move through. Avoid thin polyester, which traps heat and can cling.
Supportive straps. Wide straps spread weight across your shoulders and cover bra straps. Adjustable straps let you raise the bodice for better bust support.
A lined skirt or bodice. Light-colored and thin fabrics can turn see-through in the sun. A lining adds opacity and helps the dress hang smoothly.
Pockets. They’re not essential, but pockets make a sundress so much more practical for days out.
Check the product details for fabric content and measurements. Reviews from plus size shoppers will tell you whether the straps actually support and whether the fabric runs thin.
Length is worth a look, too. A midi or maxi gives you more coverage when you sit, while a knee-length dress feels cooler on the hottest days. If you’re tall, compare the listed length to your shoulder-to-floor measurement, which our tall plus size dresses guide explains how to take.
Four Sundress Styles to Try
These styles consistently work well for plus size bodies.
Smocked bodice dresses have elastic shirring across the bust that stretches to fit. They’re comfortable and adapt to a variety of bust sizes. Look for a style with wide straps or flutter sleeves for more support and coverage.
Tiered maxi dresses flow from the bust or waist in layers. They skim the body and work for casual and dressy summer events.
Wrap sundresses define your waist and adjust to your shape. Choose a lightweight cotton or rayon for summer. Our flattering dresses guide explains why wrap styles work for so many bodies.
Button-front shirt dresses look polished enough for work and casual enough for weekends. Look for a style with buttons spaced closely across the bust to prevent gaping.
Shop it: smocked midi sundress or Moon Wood ruffle maxi
Staying Comfortable in the Heat
Even the perfect sundress can get uncomfortable on a hot day without a little planning.
Wear bike shorts or anti-chafe shorts under your dress to prevent thigh chafing. They also give you coverage on windy days. Our chub rub guide has more ideas.
Choose your bra carefully. A strapless or convertible bra works under thin straps, while a regular bra works under wide straps. Our best plus size bras guide covers styles for every need.
Wear sunscreen on your shoulders and back, which get more sun exposure in a sundress than in a T-shirt. A light cardigan or kimono gives you coverage when you need a break from the sun.
Plan for sweat under the bust as well. A cotton bra or a thin bra liner absorbs moisture, and a light dusting of anti-chafe powder keeps skin comfortable on long, humid days.
Shop it: anti-chafe slip shorts
Styling Sundresses Beyond Summer
With a few layers, a good sundress carries you well into fall.
Add a denim jacket or cropped cardigan for cooler evenings. A belt over a loose sundress adds definition and changes the look entirely.
For fall, pair your sundress with ankle boots and a long cardigan. Tights or leggings underneath let you wear it into cooler weather.
For work, layer a cardigan over a sundress with wider straps. Choose a solid color or small print, and swap sandals for closed-toe flats.
Changing your shoes changes the whole outfit. Sneakers keep a sundress casual, while wedges dress it up for a party.
Shop it: plus size denim jacket
Your Summer Sundress Lineup
The best plus size sundresses keep you cool and support you where you need it. Look for breathable fabric and supportive straps, then choose a style that suits your plans. With a few favorites in your closet, you’ll have an easy outfit ready for every hot day this summer. Start with one versatile style, like a smocked midi in a solid color, and add prints once you know what fits.
Shop Whitney’s favorite plus size finds on her Amazon storefront. Follow @thatgirlwhitney on Instagram for more plus size outfit ideas.
