Formal Knit Dresses
Formal knit dresses are your secret weapon for turning heads and breaking hearts, all while keeping things effortlessly chic. These beauties blend the elegance of formal wear with the cozy comfort of knits, making them perfect for any occasion where you want to look fab without the fuss. Whether you're strutting into a work event or dazzling at a dinner party, these dresses have got your back, making sure you feel like the unstoppable force of nature you truly are. So go ahead, make every entrance a grand one and show the world just how fierce a formal knit dress can be!
$69.90
A black floor-length formal dress with a glitter mesh overlay and a cowl neckline.
$109.90 - $149.90
A pink mermaid silhouette dress with sequin-scroll pattern, V-neckline, and lace-up back.
$54.90
A stunning red mesh corset dress with a sweetheart neckline, crisscross back, and high side slit.
$59.90
A red glitter knit formal dress featuring a cowl neckline, cross back, and high front slit.
$77 $109.90 30% off
A stunning green sequin scroll dress with a lace-up back and mermaid silhouette for formal events.
$74.90
A navy blue glitter knit mermaid dress with a square neckline and lace-up open back.
$46 $64.90 29% off
A black crepe formal dress with puff sleeves, lace-up back, and high-cut slit for prom.
$84.90
A pink glitter knit mermaid dress with a bow-back design and floor-length train for formal events.
$59.90
A mauve knit mermaid dress featuring a cowl neck, lace-up back, and high front slit.
$69.90
A green satin formal dress featuring a cowl neckline, high slit, and slim-fit silhouette.
$79.90
An elegant black knit mermaid dress featuring a glitter pattern, cowl neckline, and high front slit.
$19.97 $54.90 64% off
A burgundy formal dress with sheer mesh sleeves, high slit, and curve-hugging silhouette.
$59.90
A mauve floral mesh mermaid dress with a lace-up back, high slit, and floor-length hem.
$89.90
A black knit mermaid dress featuring an off-the-shoulder neckline and dramatic high front slit.
$69.90
A periwinkle mesh off-the-shoulder dress with ruched seams and a mermaid silhouette.
$89.90
A navy blue bodycon dress with glitter polka dots, lace-up back, and adjustable spaghetti straps.
$59.90
A black glitter knit bodycon dress with an off-the-shoulder neckline and a high slit.
$59.90
A sage glitter knit formal dress with a high slit and sleeveless cowl neckline for prom elegance.
$89.90
A rust-colored formal gown in smooth stretchy knit with a lace-up back, padded bust, and thigh-high slit.
$74.90
A chic brown satin dress with a cold shoulder design and ruched mermaid silhouette.
$59.90
A strapless black knit formal dress featuring pleated side seams and a dramatic high side slit.
$59.90
A sleek green formal dress with a cowl neckline, front cutout, and high side slit.
$74.90
A stunning red mermaid dress with a glitter knit fabric and off-the-shoulder sweetheart neckline.
$159.90
A lavender strapless formal dress with beaded mesh, cowl neckline, and high front slit.
$59.90
A maroon knit mermaid dress featuring a sweetheart neckline, cowl draping, and a high front slit.
$77 $109.90 30% off
A stunning royal blue mermaid dress with sequins, adjustable straps, and a high front slit.
$79.90
A stunning white mermaid dress with faux pearl embellishments and a cold shoulder neckline.
$89.90
A glamorous burgundy mermaid dress with glitter knit fabric, ruching, and a stylish back cutout.
$19.97 $69.90 71% off
A pink glitter knit mermaid dress with a lace-up back and high front slit.
$54.90
A black crepe glitter knit midi dress with a form-hugging silhouette and chic wrap hem.
$69.90
A navy blue mermaid dress with a strappy open back and sleek, stretchy knit fabric.
$49.90
A stunning green satin midi dress with a corset bodice and high front wrap slit.
$79.90
A sophisticated green off-the-shoulder mermaid dress featuring a sultry wrap slit and padded cups.
$59.90
A black satin slim-fit formal dress featuring a corset bodice and floor-length hem with slit.
$69.90
A green off-the-shoulder mermaid dress with a twisted sweetheart neckline and high front slit.
$54.90
A navy blue sleeveless formal dress with a cowl neckline and slim floor-length silhouette.
$59.90
A navy blue formal dress with a cowl neckline, lace-up back, and high front slit.
$69.90
A green off-the-shoulder mermaid dress with glitter fabric, ruched bust, and high front slit.
$79.90
A black satin A-line formal dress featuring a chic tie-back and high front slit.
$69.90
A dazzling pink glitter knit formal dress with a cowl neckline and high front wrap slit.
$89.90
A dazzling red glitter knit dress with a scoop neckline, open back, and floor-length hem.
$19.97 $69.90 71% off
A glamorous green glitter formal dress with sheer sleeves, sweetheart neckline, and a high front slit.
$64.90
An elegant olive mermaid dress featuring a cowl neckline, spaghetti straps, and an open tie-back design.
$69.90
A brown mermaid formal dress featuring a halter V-neckline and open back in smooth knit fabric.
$64.90
A green knit mermaid dress with a cowl neckline, spaghetti straps, and a high front slit.
$79.90
A mint column formal dress with an open back, ruched seams, and a high front slit.
$89.90
A stunning black mermaid dress featuring a semi-sheer lace corset bodice and adjustable spaghetti straps.
$99.90
A stunning light blue formal dress with rhinestone embellishments, featuring a strapless neckline and cowl back.
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Chic and glamorous, the Rowena sequin mermaid long dress will stylishly elevate your formal night-out look. With a lace-up strap design and fitted mermaid silhouette with a high slit, you'll deliver stunning style. Fit & FeaturesSheer mesh fabric, knit lining, moderate stretch, embroidered sequin scroll design, Sleeveless square neckline, padded bust, Spaghetti straps, open back, lace-up strap design, tie closure, Lower back zipper with hook and eye closure, High waist seam, Fitted floor-length mermaid silhouette, high front slit, Runs true to size, Where to Wear:Prom, black-tie parties and galas, fancy engagement parties Free Shipping on All Orders Over $75. | Windsor Rowena Sequin Mermaid Dress in Navy Blue | Size: M | Knit Fabric/Mesh Fabric/Sheer Mesh Fabric
Effortlessly elegant, the Sophie glitter knit mermaid dress would be a stunning choice for a formal gala. She features a square neckline, short puff sleeves, a partially open back with a lace-up strappy design for a customized fit, a high waist seam, a floor-length hem, and a mermaid silhouette with a high front slit to showcase your heels. The glitter knit fabric offers a moderate stretch. Complete the look in this long dress with rhinestone statement earrings. Fit & FeaturesSquare neckline, Short puff sleeves, Open back, lace-up strappy design, tie closure, High waist seam, Floor-length hem, mermaid silhouette, front slit, Glitter knit fabric, moderate stretch, Sticky bra or pasties recommended, Runs true to size, Free Shipping on All Orders Over $75. | Windsor Sophie Glitter Knit Mermaid Dress in Navy Blue | Size: S | Knit Fabric/Rhinestone
The Gwendolyn glitter knit bow-back mermaid dress will have you sparkling up the night with a glamorous allure! Make your entrance in this floor-length gown designed to turn heads with a curve-flaunting mermaid fit and backless design. Fit & FeaturesGlitter knit fabric, moderate stretch, Square neckline, spaghetti straps, Backless design, high waist seam, Bow-back accent, floor-length train, Floor-sweeping hem, mermaid silhouette, Runs true to size, Extra glitter for maximum sparkle - may have some natural fallout, Where to Wear:Weddings, black tie galas, formal dances, big birthday events, rehearsal dinners, engagement parties, red carpet occasions, upscale glam parties Free Shipping on All Orders Over $75. | Windsor Gwendolyn Glitter Knit Bow-Back Mermaid Dress in Black | Size: S | Knit Fabric
The Lucille formal satin dress will have you looking and feeling radiant and luxe! The dress captivates with a lace-up back, mermaid silhouette, and high front slit for effortless allure. Fit & FeaturesLined satin knit fabric, minimal stretch, Sleeveless square neckline, padded bust, adjustable spaghetti straps, Open lace-up back design, zipper and hook-eye closure, Fitted bodice, front ruched seam, high-cut slit, Mermaid silhouette, floor-length hem, Runs true to size, Where to Wear:Prom, weddings, bridesmaids, black tie galas, red-carpet events, nights at the opera or theatre, big milestone celebrations Free Shipping on All Orders Over $75. | Windsor Lucille Formal Satin Mermaid Dress in Coral | Size: L | Knit Fabric/Satin Fabric
Make it an elegant entrance in the Priscilla formal satin dress with a curve-hugging mermaid silhouette and floor-sweeping hem for dramatic flair. Fit & FeaturesLined silky satin fabric, minimal stretch, Strapless sweetheart neckline, Pleated, lightly padded bust, non-slip grip lining, Slim-fit bodice, high waist seam, hip-hugging fit, Floor-sweeping hem, mermaid silhouette, Runs true to size, Where to Wear:Prom, weddings, bridesmaids, black-tie galas and events, and fancy milestone celebrations. Free Shipping on All Orders Over $75. | Windsor Priscilla Formal Satin Strapless Mermaid Dress in Sage | Size: L | Satin Fabric
Spend an evening in the timeless elegance of the Alicia floor-length formal dress and feel like a work of art! The side ruched seams accentuate your curves along the mermaid silhouette, and the high front slit adds a touch of drama to the floor-length hem. Fit & FeaturesSmooth knit fabric lined with stretchy knit, Padded bra cups, Back zipper and hook-eye closure, High front slit, Mermaid silhouette, Runs true to size, Where to Wear:Prom, galas, black tie parties, weddings, bridesmaids, nights at the theatre and opera, red-carpets Free Shipping on All Orders Over $75. | Windsor Alicia Off-The-Shoulder Mermaid Formal Dress in Brown | Size: M | Knit Fabric
Flattery will get you everywhere in the Delia formal long dress that boasts a flattering mermaid silhouette with a high front slit for effortless allure all evening! Fit & FeaturesLined smooth knit fabric, moderate stretch, Sleeveless cowl neck, pleating, Spaghetti straps, lace-up back, Mermaid silhouette, High front slit, floor-length hem, Runs true to size, Where to Wear:Prom, weddings, bridesmaids, engagement parties, rehearsal dinners, milestone celebrations, dinner parties, and dressy date nights. Free Shipping on All Orders Over $75. | Windsor Delia Formal Cowl Neck Long Dress in Mauve | Size: XL | Knit Fabric
Stun in the Shay formal glitter dress that makes your entrance that much more glam! Shay features a mermaid silhouette that flaunts your beautiful curves and a floor-length hem for a hint of drama. Fit & FeaturesLine glitter lurex fabric, V-neckline, padded bra cups, Adjustable spaghetti straps, Ruching, mermaid silhouette, Wide banded hem, train , Runs true to size, Extra glitter for maximum sparkle - may have some natural fallout , Where to Wear: Prom, black tie galas and events, red-carpet events, upscale birthdays Free Shipping on All Orders Over $75. | Windsor Shay Formal Lurex Glitter Dress in Rose Gold | Size: XS
Prepare to make a grand entrance in the Ashelyn glitter long formal dress looking like a true masterpiece for prom or special birthday events! Her luxurious knit fabric boasts a mesmerizing glitter pattern, while the side ruching and mermaid silhouette accentuate your curves while the high front slit shows off your shoes of the night. The cowl neckline and padded bra cups offer a flattering and comfortable fit. Style this formal gown with glam earrings and a hair accessory for a stunning look all evening! Fit & FeaturesGlitter pattern, knit fabric lined with jersey knit, Padded bra cups, Adjustable spaghetti straps, High front slit, Back zipper and hook-eye closure, Mermaid silhouette, floor-length, Runs true to size, Free Shipping on All Orders Over $75. | Windsor Ashelyn Cowl Neck Glitter Mermaid Formal Dress in Black | Size: XS | Knit Fabric
Sleek and sophisticated! The Emmie satin formal dress exudes elegance with a lace-up back and flattering mermaid silhouette that accentuates your figure. Fit & FeaturesStretchy satin-knit fabric, lined bust, Spaghetti straps, V-neckline, Lace-up back, Mermaid silhouette, floor-length hem, Runs true to size, Where to Wear:Prom, black-tie galas, weddings, bridesmaids, formal parties, and red-carpet events. Free Shipping on All Orders Over $75. | Windsor Emmie Lace-Up Mermaid Satin Formal Dress in Sage | Size: XS | Satin Fabric
Formal Knit Dresses
When it comes to making an entrance, nothing says “effortlessly unforgettable” quite like a formal knit dress. Imagine gliding into your event with the kind of confidence that turns heads and sparks whispers—because you’re not just showing up, you’re showing out. Knit formal dresses are the low-key flex you didn’t know you needed; they wrap you up in luxe comfort while keeping your style game on point. The magic of a knit evening dress is all in the details: the way the fabric hugs your curves, skims your silhouette, and moves with you—no stiff, scratchy drama here, just pure, wearable glam. Whether you’re heading to a rooftop soirée, a candlelit dinner, or the kind of party where the group chat explodes with photos the next morning, a knitt evening dress is your secret weapon. And let’s be real, if you’re shopping for a friend, a knit prom dress is the ultimate “I got you” gift. It’s the dress that says, “You’re iconic, and you deserve to feel it.” Trust, your bestie will remember the night—and the dress—forever.
Choosing the right windsor knit is all about knowing your vibe and owning it. Maybe you love a classic silhouette that lets your accessories do the talking, or maybe you’re all about bold colors and dramatic details that make you the main character. Either way, formal knit dresses are the MVPs for anyone who wants to look polished without sacrificing comfort. The stretch and softness of knit means you can dance, pose, and live your best life without a single pinch or pull. These dresses are perfect for anyone who’s tired of choosing between style and comfort—because honestly, why not have both? If you’re the friend who always gets asked for fashion advice, gifting a knit evening dress is like handing over the keys to confidence. And if you’re shopping for yourself, you already know you deserve a dress that works as hard as you do. Pro tip: style your knit formal dress with strappy heels and a killer clutch, or go full glam with statement earrings and a swipe of bold lipstick. The best part? These dresses are versatile enough to work for any special occasion, from prom nights to fancy dinners, and even those spontaneous “let’s go out” moments. And if you’re vibing with the knit life but want something a little more chill, check out our Knit Casual Dresses for all your off-duty plans.
Let’s talk about the real-life perks: formal knit dresses are the ultimate travel companions for destination events and weekend getaways. They fold up small, resist wrinkles like a boss, and are ready to stun straight out of your suitcase. No more panicking over last-minute outfit changes or emergency steamer sessions. Plus, the versatility of a knit prom dress means you can dress it up for the big night, then switch up your accessories and wear it again for brunch or a night out with your crew. That’s what we call a wardrobe win. Whether you’re shopping for yourself, your BFF, or someone who just needs a little extra sparkle in their life, a formal knit dress is the answer. It’s the kind of piece that makes you feel like you can take on the world—and look good doing it. So go ahead, find the one that speaks to you, and get ready to make some memories.