Knit Formal Dresses
Knit formal dresses are your secret weapon for nailing that effortlessly chic vibe while staying cozy and comfortable. Picture this: a blend of sophistication and snugness that takes you from dinner parties to date nights without missing a beat. These dresses are all about serving looks and keeping you warm, making them the ultimate choice for any event where style meets ease. Get ready to strut your stuff with confidence, because knit formal dresses are here to make sure you're always the star of the show.
$59.90
A glamorous black glitter knit dress with a cowl neckline, cross back, and high front slit.
$19.97 $74.90 73% off
A navy blue glitter knit mermaid dress with a square neckline and lace-up open back.
$84.90
A glamorous black glitter knit mermaid dress featuring a bow-back design and floor-length train.
$76.90
A light blue glitter mini dress with a strapless neckline and detachable bow train.
$79.90
A black knit mermaid dress with glitter, cowl neckline, and high slit for formal occasions.
$89.90
A rust-colored formal gown in smooth stretchy knit with a lace-up back, padded bust, and thigh-high slit.
$19.97 $89.90 78% off
A navy blue bodycon dress with glitter polka dots, lace-up back, and adjustable spaghetti straps.
$89.90
A glamorous yellow mermaid dress with glitter knit fabric, ruching, and a stylish lower back cutout.
$19.97 $59.90 67% off
A sage glitter knit formal dress with a high slit and sleeveless cowl neckline for prom elegance.
$59.90
A luxurious wine-colored strapless dress with a high slit, perfect for formal occasions.
$59.90
A glamorous black bodycon dress featuring glitter knit fabric, off-the-shoulder neckline, and high slit.
$49.90
A burgundy formal dress with a ruffled high slit, open back, and sleek knit fabric.
$74.90
A stunning black mermaid dress with a glitter knit fabric and off-the-shoulder sweetheart neckline.
$59.90
A sleek eggplant column dress with a cutout accent and high side slit for sultry allure.
$59.90
A navy blue sleeveless mermaid dress featuring a sweetheart neckline, cowl draping, and slinky knit fabric.
$15.97 $69.90 77% off
A pink glitter knit mermaid dress with a lace-up back and high front slit.
$54.90
A black glitter knit midi dress with a form-hugging silhouette and chic wrap hem.
$69.90
A green knit mermaid dress featuring a halter V-neckline and striking strappy open back design.
$69.90
A navy blue mermaid dress with a strappy open back and sleek, stretchy knit fabric.
$79.90
A red glitter knit mermaid dress with a lace-up back and high front slit for elegance.
$64.90
A royal blue formal dress with a V-neckline, strappy back, and high side slit.
$19.97 $69.90 71% off
A glamorous green glitter formal dress with sheer sleeves, sweetheart neckline, and a high front slit.
$39.97 $79.90 50% off
A glamorous green mermaid dress with glitter knit fabric, cowl neckline, and lace-up back.
$89.90
A dazzling red glitter knit dress with a scoop neckline, open back, and floor-length hem.
$69.90
A brown mermaid formal dress with a halter V-neckline and open back in smooth knit fabric.
$15.97 $49.90 68% off
An elegant orange mermaid dress featuring a cowl neckline and adjustable spaghetti straps in stretchy knit.
$19.97 $99.90 80% off
A navy blue mermaid gown with glitter knit fabric, cowl neckline, and adjustable spaghetti straps.
$64.90
A sleek black knit mermaid dress featuring a scoop neckline, open back, and high front slit.
$99.90
A stunning red formal dress with rhinestone embellishments, featuring a strapless neckline and cowl back.
$39.97 $79.90 50% off
A mint column formal dress with an open back, ruched seams, and a high front slit.
$29.97 $64.90 54% off
A green knit mermaid dress with a cowl neckline, spaghetti straps, and a high front slit.
$9.97 $42.90 77% off
A chic black strapless midi dress with a cowl-draped neckline and asymmetric hem for allure.
$19.97 $74.90 73% off
A navy blue glitter knit one-shoulder dress with a high slit and floor-length silhouette.
$59.90
A chic strapless brown mermaid dress with a trendy tie-back design in slinky knit fabric.
$36.90
A black knit midi dress with a sleeveless square neckline, ruching, and pleated mermaid silhouette.
$62.90
A black satin knit formal dress with a ruched bodice, square neckline, and sultry front slit.
$59.90
A stunning strapless mermaid dress in red glitter knit, perfect for formal events.
$74.90
A black glitter knit mermaid dress with a halter neckline and high front wrap slit.
$59.90
A chic navy blue midi dress with glitter knit fabric, sweetheart neckline, and lace-up back.
$79.90
A red glitter knit mermaid dress with a ruched wrap-front and high slit for formal events.
$79.90
A strapless green mermaid dress with glitter knit fabric and a high front wrap slit.
$164.90
A black mermaid formal dress featuring a corset bodice, lace-up back, and high front slit.
$19.97 $69.90 71% off
An elegant black mermaid dress with a glitter knit fabric and pleated cowl neck overlay.
$19.97 $42.90 53% off
A black formal maxi dress with a cowl neckline, ruched detailing, and a thigh-high slit.
$15.97 $64.90 75% off
A stunning green glitter knit mermaid dress with a halter neckline and dramatic high front slit.
$29.97 $69.90 57% off
A black glitter knit mermaid dress with a V-neck, high slit, and adjustable spaghetti straps.
$69.90
A rust-colored off-shoulder mermaid dress with a twist-accent open back in smooth knit fabric.
$69.90
A mint mermaid formal dress with a cowl neckline, high slit, and stretchy knit fabric.
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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
Sophie Glitter Knit Mermaid Dress in Navy Blue
$19.97 $74.90
73% off
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 Pink | 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
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
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
Sleek and sultry, the Kathie formal satin dress is destined to shine at banquets, galas, and black-tie weddings! She features a sophisticated one-shoulder neckline, a wide shoulder strap, a pleated side seam, a mermaid silhouette, and an asymmetrical high front slit along her graceful long hem. The formal dress is composed of luxurious satin-lined fabric with a sheen effect and minimal stretch. Complete the look with hoop earrings. Fit & FeaturesOne-shoulder neckline, wide shoulder strap, Back zipper and hook-eye closure, Pleated side seam, asymmetrical high front slit, Mermaid silhouette, long hem, Lined silky satin fabric, sheen effect, minimal stretch, Strapless bra or pasties recommended, Runs true to size, Free Shipping on All Orders Over $75. | Windsor Kathie Formal Satin One-Shoulder Dress in Black | Size: XS | Satin Fabric
Radiate sexy elegance in the Deyna formal long dress perfect for your upcoming black tie soirees! The dress accentuates your curves with side ruched seams and mermaid silhouette create a stunning and flattering shape, while the floor-length hem adds sophistication. Fit & FeaturesAiry mesh fabric, full knit stretchy lining, Off-the-shoulder neckline, ruffled cuffs, cascading ruffles, Back zipper and hook-eye closure, Flexible boning inserts in the bodice, Side ruched seams, mermaid silhouette, floor-length hem, Runs true to size, Where to Wear:Prom, weddings, fancy garden parties, and dressed-up events. Free Shipping on All Orders Over $75. | Windsor Deyna Formal Mesh Off-The-Shoulder Long Dress in Sage | Size: XS | Knit Fabric/Mesh Fabric/Mesh 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
Feminine florals bloom all over the Kehlani formal dress - creating a sophisticated yet sexy vibe! The dress boasts a lace-up back that turns heads and a ruched mermaid silhouette that highlights your curves. Fit & FeaturesFloral mesh fabric, stretchy knit lining, Sleeveless cowl neckline, spaghetti straps, Lace-up back design, Front ruched seam, high slit, Mermaid silhouette, floor-length hem, Runs true to size, Where to Wear:School dances, garden parties, weddings, black-tie galas, fancy date nights, birthdays, dinner parties, cocktail soirees, engagement parties, rehearsal dinners Free Shipping on All Orders Over $75. | Windsor Kehlani Formal Floral Lace Slit Mermaid Dress in Mauve | Size: L | Knit Fabric/Mesh Fabric/Mesh Fabric
Knit Formal Dresses
When you’re ready to own the night with a look that’s as effortlessly cool as it is totally luxe, knit formal dresses are your ride-or-die. These stunners are the secret weapon of every girl who wants to slay the dress code without sacrificing comfort. Imagine gliding into a rooftop party or a candlelit dinner, your dress hugging every curve in all the right ways, the soft knit fabric moving with you as you dance, laugh, and live your best life. That’s the magic of a knit formal dress: it’s got your back, whether you’re making a grand entrance at a gala or keeping it low-key but glam at a bestie’s birthday. The beauty of these dresses is in their versatility—knit fabric can go from sleek and sculpted to flowy and romantic, always serving up those “who is she?” vibes. If you’re gifting, knit formal dresses are the ultimate power move for your fashion-obsessed sister, your partner who loves a little extra sparkle, or your BFF who’s always the last to leave the dance floor. They’re the kind of gift that says, “I see you, and you deserve to feel iconic.”
When it comes to picking out the perfect knit formal dress, it’s all about finding that sweet spot between style and comfort. Look for details that elevate your look—think chic necklines, daring slits, or unexpected cutouts that keep things fresh and flirty. The best part? Knit fabric means you never have to worry about feeling restricted or stiff, even if your night turns into a spontaneous adventure. These dresses are made for those who want to move, groove, and break a few hearts along the way. Whether you’re tall, petite, curvy, or somewhere in between, the stretch and drape of knit formal dresses mean you get a fit that feels custom, no tailor required. Pair your dress with killer heels and statement jewelry for a look that’s pure main-character energy, or keep it chill with strappy sandals and a denim jacket for those after-hours hangs. And if you’re already obsessed with the way knits make you look and feel, take your party style up a notch with our curated selection of Knit Cocktail Dresses—because every occasion deserves a little extra wow factor.
The real secret to making a knit formal dress your own? Confidence. These dresses are built for the girl who isn’t afraid to be the center of attention, who knows that comfort and style aren’t mutually exclusive, and who’s always down to turn a regular night into a legendary one. Picture yourself twirling under string lights, feeling the fabric glide with you, or catching your reflection and thinking, “Yeah, I really am that girl.” That’s what a knit formal dress brings to your closet: endless possibilities, major comfort, and the kind of head-turning style that makes every moment feel like a celebration. Whether you’re shopping for yourself or looking to give someone a gift that’ll instantly boost their mood and their wardrobe, knit formal dresses are always the right move—because you deserve to look as good as you feel, every single night.