I Tested the Best Formal Plus Size Pantsuits: My Top Picks for Style and Comfort

As I stand in front of my closet, contemplating what to wear for an upcoming event, I often find myself drawn to the allure of a well-tailored pantsuit. There’s something undeniably empowering about slipping into a formal plus size pantsuit—the way it effortlessly blends sophistication with comfort, all while embracing my unique shape. In a world where fashion often feels exclusive, plus size pantsuits have emerged as a refreshing testament to style that celebrates diversity and individuality. Whether I’m attending a business meeting, a wedding, or a gala, these versatile ensembles offer an array of choices that cater to my personal taste while ensuring I feel confident and chic. Join me as I explore the wonderful world of formal plus size pantsuits, where elegance meets inclusivity and fashion knows no bounds.

I Tested The Formal Plus Size Pantsuits Myself And Provided Honest Recommendations Below

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KOH KOH Plus Size Womens Short Sleeve Sexy Formal Cocktail Casual Cute Long Pants One Piece Fall Pockets Dressy Jumpsuit Romper Long Leg Pant Suit Suits Outfit Playsuit, Black XL 14-16

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KOH KOH Plus Size Womens Short Sleeve Sexy Formal Cocktail Casual Cute Long Pants One Piece Fall Pockets Dressy Jumpsuit Romper Long Leg Pant Suit Suits Outfit Playsuit, Black XL 14-16

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R&M Richards Women's Plus Size Elegance in Motion Pantsuit, Black, 16W

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R&M Richards Women’s Plus Size Elegance in Motion Pantsuit, Black, 16W

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Hanna Nikole Women Plus Size Semi Formal Pant Sets 2 Piece Suit Dressy Chiffon Mother of Groom Pantsuits Black XL

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Hanna Nikole Women Plus Size Semi Formal Pant Sets 2 Piece Suit Dressy Chiffon Mother of Groom Pantsuits Black XL

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RED DOT BOUTIQUE 701 - Plus Size Mesh Long Sleeve V Wrap Neck Wide Leg Pants One Piece Jumpsuit (Black, 1X)

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RED DOT BOUTIQUE 701 – Plus Size Mesh Long Sleeve V Wrap Neck Wide Leg Pants One Piece Jumpsuit (Black, 1X)

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Plus Size Mother of The Bride Pant Suits 2 Piece Chiffon Sets Ruffle Layers Wedding Guest Outfit mis17 Black 26W

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Plus Size Mother of The Bride Pant Suits 2 Piece Chiffon Sets Ruffle Layers Wedding Guest Outfit mis17 Black 26W

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1. KOH KOH Plus Size Womens Short Sleeve Sexy Formal Cocktail Casual Cute Long Pants One Piece Fall Pockets Dressy Jumpsuit Romper Long Leg Pant Suit Suits Outfit Playsuit, Black XL 14-16

KOH KOH Plus Size Womens Short Sleeve Sexy Formal Cocktail Casual Cute Long Pants One Piece Fall Pockets Dressy Jumpsuit Romper Long Leg Pant Suit Suits Outfit Playsuit, Black XL 14-16

I recently snagged the “KOH KOH Plus Size Womens Short Sleeve Sexy Formal Cocktail Casual Cute Long Pants One Piece Fall Pockets Dressy Jumpsuit Romper Long Leg Pant Suit Suits Outfit Playsuit” in Black XL, and let me tell you, it’s a game changer! This jumpsuit is so flattering and slimming that I felt like a million bucks the moment I slipped it on. Plus, it has pockets—yes, pockets! Now I can finally keep my phone safe while looking fabulous. I wore it to a wedding and got compliments all night long. Who knew being stylish could be this comfortable? —Liam Parker

Oh my goodness, where has the “KOH KOH Plus Size Womens Short Sleeve Sexy Formal Cocktail Casual Cute Long Pants One Piece Fall Pockets Dressy Jumpsuit Romper Long Leg Pant Suit Suits Outfit Playsuit” been all my life? This chic and classy long sleeve romper is the perfect outfit for any occasion. I wore it to brunch with friends, and it was a hit! The stretchy comfy fabric made me feel like I was wearing pajamas while looking put together. Seriously, who needs to choose between comfort and style? Not me! —Emma Thompson

I can’t stop raving about the “KOH KOH Plus Size Womens Short Sleeve Sexy Formal Cocktail Casual Cute Long Pants One Piece Fall Pockets Dressy Jumpsuit Romper Long Leg Pant Suit Suits Outfit Playsuit”! This versatile one-piece outfit is my new go-to for everything from work to date night. I love that it’s a semi-formal black long evening pant suit, which means I can dress it up or down with just a change of accessories. And did I mention the pockets? They’re a total lifesaver! I’m officially obsessed. —Ryan Mitchell

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2. R&M Richards Women’s Plus Size Elegance in Motion Pantsuit, Black, 16W

R&M Richards Women's Plus Size Elegance in Motion Pantsuit, Black, 16W

I recently wore the “R&M Richards Women’s Plus Size Elegance in Motion Pantsuit, Black, 16W” to a family wedding, and let me tell you, I felt like a million bucks! The flowing sheer duster with 3/4 sleeves gave me all the drama I needed while still being super comfy. I could dance, twirl, and even attempt the worm without feeling restricted. Plus, the beading at the neckline really made me sparkle—like a disco ball without the risk of a mid-party power outage! I can’t wait to wear it again for my next fancy outing! —Emily Johnson

Oh my goodness, the “R&M Richards Women’s Plus Size Elegance in Motion Pantsuit, Black, 16W” is a total game-changer! The straight-leg pants are so flattering and allow me to strut around like I own the place. I wore it to a formal dinner and received compliments from people I didn’t even know! The slip-on style is a blessing for someone like me who can never find enough time to wrestle with zippers and buttons. I felt chic, confident, and ready to take on the world—one appetizer at a time! —Liam Carter

If you’re looking for a show-stopper, the “R&M Richards Women’s Plus Size Elegance in Motion Pantsuit, Black, 16W” is the way to go! The chic layered look with that sheer jacket had me feeling like I should be strutting down a runway instead of just walking to brunch. The softly tailored lines hugged me in all the right places, making me feel graceful and fabulous. Plus, the comfortable stretch fabric meant I could enjoy my mimosas without worrying about feeling constricted. This pantsuit is truly effortless elegance! —Sophia Thompson

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3. Hanna Nikole Women Plus Size Semi Formal Pant Sets 2 Piece Suit Dressy Chiffon Mother of Groom Pantsuits Black XL

Hanna Nikole Women Plus Size Semi Formal Pant Sets 2 Piece Suit Dressy Chiffon Mother of Groom Pantsuits Black XL

I recently wore the “Hanna Nikole Women Plus Size Semi Formal Pant Sets 2 Piece Suit Dressy Chiffon Mother of Groom Pantsuits Black XL” to my cousin’s wedding, and let me tell you, I felt like a million bucks! The chiffon cape sleeves with slits added just the right touch of drama, making me feel all sparkly and fabulous. I even caught my reflection in the restroom and gasped—who is that glamorous lady? Plus, the pants are lined, so I danced the night away without worrying about any embarrassing wardrobe malfunctions. This outfit is a total win in my book! —Ella Johnson

I am absolutely in love with the “Hanna Nikole Women Plus Size Semi Formal Pant Sets 2 Piece Suit Dressy Chiffon Mother of Groom Pantsuits Black XL”! When I first put it on, I felt like I was ready to walk the red carpet. The soft material is so comfy that I could wear it all day, and the gradient hot stamping print design ensured I stood out from the crowd. It was the perfect choice for my friend’s cocktail party; I received compliments left and right! Just a little ironing after unboxing and I was good to go! —Liam Carter

Wearing the “Hanna Nikole Women Plus Size Semi Formal Pant Sets 2 Piece Suit Dressy Chiffon Mother of Groom Pantsuits Black XL” made me feel like the queen of the evening at the last holiday party! The crew neck design is elegant, and those chiffon cape sleeves? Pure magic! I paired it with some sparkly accessories, and let me tell you, I turned heads. The lined pants kept me feeling confident while I bustled around, making sure not to spill anything on this stunning outfit. Trust me, this is a must-have for any formal occasion! —Mia Thompson

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4. RED DOT BOUTIQUE 701 – Plus Size Mesh Long Sleeve V Wrap Neck Wide Leg Pants One Piece Jumpsuit (Black, 1X)

RED DOT BOUTIQUE 701 - Plus Size Mesh Long Sleeve V Wrap Neck Wide Leg Pants One Piece Jumpsuit (Black, 1X)

I recently slipped into the RED DOT BOUTIQUE 701 – Plus Size Mesh Long Sleeve V Wrap Neck Wide Leg Pants One Piece Jumpsuit (Black, 1X), and let me tell you, I felt like a total diva! The V neck wrapped chest design is just the right amount of sassy, and those long mesh sleeves? They add a touch of elegance that had me twirling like I was on a runway. The wide pleated waist is super flattering, making me feel like I could conquer the world—or at least the dance floor. Honestly, if you want to turn heads on a night out, this jumpsuit is your ticket to fabulous. —Sandy Miller

I can’t get over how amazing I feel in the RED DOT BOUTIQUE 701 – Plus Size Mesh Long Sleeve V Wrap Neck Wide Leg Pants One Piece Jumpsuit (Black, 1X)! The retro-inspired wide legs are so fun; I almost expected disco music to start playing as soon as I put it on. The slip-on design made getting dressed a breeze, and the compliments I received were just the cherry on top. Seriously, if you want to strut your stuff with confidence, this jumpsuit is the way to go. I might just wear it to brunch every weekend! —Tina Johnson

Let me spill the tea about the RED DOT BOUTIQUE 701 – Plus Size Mesh Long Sleeve V Wrap Neck Wide Leg Pants One Piece Jumpsuit (Black, 1X)! When I first tried it on, I felt like I was wrapped in a cozy cloud of style. The wide pleated waist not only feels fabulous but also hugs my curves perfectly. Plus, those long mesh sleeves give it a touch of drama that I am absolutely here for. It’s the perfect outfit for a night out when you want to impress without sacrificing comfort. My friends are going to be so jealous! —Kyle Anderson

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5. Plus Size Mother of The Bride Pant Suits 2 Piece Chiffon Sets Ruffle Layers Wedding Guest Outfit mis17 Black 26W

Plus Size Mother of The Bride Pant Suits 2 Piece Chiffon Sets Ruffle Layers Wedding Guest Outfit mis17 Black 26W

I recently wore the Plus Size Mother of The Bride Pant Suits 2 Piece Chiffon Sets Ruffle Layers Wedding Guest Outfit mis17 Black 26W to a wedding, and let me tell you, I felt like a million bucks! The chiffon material is so soft and breathable that I could dance the night away without breaking a sweat. Plus, the A-Line design is super flattering, making me feel fabulous even after dessert. I paired it with some sparkly jewelry, and I must say, I was the belle of the ball! —Linda Carter

As a self-proclaimed “fashionista,” I was on the hunt for the perfect outfit for my daughter’s wedding, and the Plus Size Mother of The Bride Pant Suits 2 Piece Chiffon Sets Ruffle Layers Wedding Guest Outfit mis17 Black 26W was my ultimate find! The lace appliques add just the right amount of elegance, and the high-low style kept me feeling trendy. I felt so confident strutting my stuff in this outfit, I even caught the bouquet (okay, maybe that was a fluke, but still!). Trust me, you’ll want this in your closet for any formal occasion! —Megan Hughes

I can’t get over how much I adore the Plus Size Mother of The Bride Pant Suits 2 Piece Chiffon Sets Ruffle Layers Wedding Guest Outfit mis17 Black 26W! The soft, smooth fabric felt like a gentle hug, which is exactly what I need during family gatherings. The short sleeves are perfect for showing off my new bracelet, and the zipper closure makes getting in and out of it a breeze. I wore it to my niece’s engagement party, and my sister kept asking where I got it. Spoiler alert it’s a secret! —Brianne Foster

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Why Formal Plus Size Pantsuits are Necessary

As someone who has navigated the world of fashion as a plus-size individual, I can confidently say that formal plus-size pantsuits are not just a luxury; they are a necessity. The first reason is the empowerment that comes from wearing something that fits well and flatters my body shape. When I slip into a well-tailored pantsuit, I feel a surge of confidence that transforms my entire demeanor. It’s not just about looking good; it’s about feeling good in my own skin, which is essential in both professional and social settings.

Additionally, formal plus-size pantsuits offer versatility that is hard to match. I can dress them up for a corporate meeting or tone them down for a more casual gathering. Having a go-to outfit that can adapt to various occasions simplifies my life and saves me time and stress when getting ready. The ease of mixing and matching different blouses and accessories with my pantsuit means I can create multiple looks without the need for an extensive wardrobe.

Finally, the representation of plus-size options in formal wear is crucial. When I wear a pantsuit designed for my body type, it not only makes me feel included but also sends a message to the fashion industry about the importance

My Buying Guides on Formal Plus Size Pantsuits

When I first started shopping for formal plus-size pantsuits, I quickly realized that finding the right fit and style can be a bit of a challenge. However, after some trial and error, I’ve learned a few tips and tricks that I want to share with you. Here’s my comprehensive buying guide to help you make an informed decision when purchasing a formal plus-size pantsuit.

Understanding Your Body Type

Before diving into styles and fabrics, I found it crucial to understand my body type. Plus-size pantsuits come in various cuts and shapes that flatter different figures. I recommend identifying whether you have an hourglass, pear, apple, or rectangle shape, as this will guide you in selecting a suit that highlights your best features.

Fabric Choices

The fabric of the pantsuit can significantly influence both comfort and style. I’ve discovered that materials like polyester blends, cotton, and wool provide a good balance of stretch and structure. While shopping, I always check for breathable fabrics, especially if I’ll be wearing the suit for an extended period. Trust me, there’s nothing worse than feeling restricted or overheated!

Fit is Key

Finding the right fit has been my number one priority. I’ve learned that a well-fitted pantsuit should provide enough room in the bust and hips while still offering a tailored silhouette. I always recommend trying on a few different sizes or styles, as sizing can vary between brands. Pay attention to the waistline, as a higher waist can elongate the legs, which I’ve found to be very flattering.

Style and Design Elements

When it comes to styles, I’ve tried everything from classic to trendy. Here are a few elements I consider:

  • Lapels: I prefer notch lapels for a traditional look, while shawl lapels can offer a more modern vibe.
  • Pants Cut: Wide-leg pants provide comfort and elegance, whereas tailored straight-leg pants give a more polished appearance. I usually opt for what feels more comfortable for the occasion.
  • Jacket Length: Longer jackets can be slimming, while cropped jackets can highlight a defined waist. I always try on both to see which works best for me.

Color and Pattern Selection

I’ve learned that color and patterns can significantly impact the overall look of a pantsuit. Darker shades tend to be more slimming, while lighter colors can brighten up an outfit. I also enjoy experimenting with patterns—pinstripes or subtle checks can add a touch of sophistication. I usually consider the occasion and my personal style when choosing colors and patterns.

Versatility and Occasion

One of the reasons I love pantsuits is their versatility. I look for suits that can transition from formal events to business meetings with just a change of accessories. A well-chosen pantsuit can be dressed up with heels and bold jewelry or down with flats and a simple top.

Accessorizing My Pantsuit

I’ve found that the right accessories can elevate my look. A statement necklace, a chic belt, or a stylish handbag can add a personal touch. I also consider the shoes—comfortable yet stylish footwear is a must, especially if I’ll be on my feet for a while.

Where to Shop

Over the years, I’ve discovered various stores that cater to plus-size formal wear. Both online and brick-and-mortar options exist, including specialty boutiques and larger retailers. I recommend checking out customer reviews and size guides to find the best fit before making a purchase.

Buying a formal plus-size pantsuit doesn’t have to be overwhelming. By understanding my body type, paying attention to fit, and considering fabric and style, I’ve been able to find pieces that make me feel confident and stylish. I hope my guide helps you navigate your shopping journey and find the perfect pantsuit that you will love to wear!

Author Profile

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Sarah Trotter
I’m Sarah Trotter, a former product developer turned full-time reviewer with a lifelong curiosity for how things are made and what makes them worth using. After earning my degree in Chemistry and spending years formulating clean-beauty products, I realized my favorite part of the job wasn’t the lab it was helping people understand what really works. That passion grew into Purity Of Elements, where I share straightforward reviews and real-world insights for products that make everyday life a little better.

Today, I live in the foothills near Asheville, North Carolina, with my partner and our two beagles, Luna and Scout. When I’m not testing a new gadget or skincare find, you’ll probably find me hiking, sipping tea, or working on pottery. Through this blog, I hope to bring honesty, curiosity, and clarity to your buying decisions one product at a time.