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.

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$59.90

4 star rating

A chic mauve strapless mermaid dress with a high slit, crafted from smooth knit fabric.

Best Seller

$59.90

4.118644 star rating

A glamorous black glitter knit dress with a cowl neckline, cross back, and high front slit.

$74.90

4.416667 star rating

A navy blue glitter knit mermaid dress with a square neckline and lace-up open back design.

Best Seller

$84.90

4.48 star rating

A black glitter knit mermaid dress with a bow-back design and floor-length train for formal occasions.

$89.90

4.826087 star rating

A luxurious green knit mermaid gown featuring an off-the-shoulder neckline and dramatic high front slit.

Best Seller

$59.90 - $64.90

4.9 star rating

A pink knit mermaid dress with a cowl neck, lace-up back, and high front slit.

$79.90

4.578948 star rating

A black knit mermaid dress with glitter, cowl neckline, and high slit for formal occasions.

$89.90

4.25 star rating

A glamorous yellow mermaid dress with glitter knit fabric, ruching, and a stylish lower back cutout.

$59.90

4.6 star rating

A sage glitter knit formal dress with a high slit and sleeveless cowl neckline for prom elegance.

$74.90

4.461538 star rating

A red glitter knit mermaid dress with an off-the-shoulder neckline and high front wrap slit.

$59.90

4.846154 star rating

A sleek eggplant column dress with a cutout accent and high side slit for sultry allure.

Sale

$19.97 $69.90 71% off

4.454546 star rating

A pink glitter knit mermaid dress featuring a lace-up back, V-neckline, and high front slit.

$69.90

4.25 star rating

A navy blue mermaid dress with a strappy open back and sleek, stretchy knit fabric.

$79.90

4.428571 star rating

A sophisticated green off-the-shoulder mermaid dress featuring a sultry wrap slit and padded cups.

$69.90

4.571429 star rating

A wine-colored mermaid dress with glitter crepe fabric, cutout bodice, and high front wrap slit.

$69.90

4.666667 star rating

A dazzling pink glitter knit formal dress with a cowl neckline and high front wrap slit.

$89.90

4.333334 star rating

A dazzling red glitter knit dress with a scoop neckline, open back, and floor-length hem.

$64.90

4.666667 star rating

A green glitter knit mermaid dress with ruched detailing, spaghetti straps, and a high front slit.

Sale

$29.97 $69.90 57% off

3.4 star rating

A glamorous green glitter formal dress with sheer sleeves, sweetheart neckline, and a high front slit.

$64.90

4.6 star rating

A green knit mermaid dress with a cowl neckline, spaghetti straps, and a high front slit.

$79.90

4.2 star rating

A mint sleeveless formal dress with an open back, ruched seams, and a high front slit.

$64.90

4.8 star rating

An elegant olive mermaid dress featuring a cowl neckline, spaghetti straps, and an open tie-back design.

$69.90

4.4 star rating

A brown mermaid formal dress with a halter V-neckline and open back in smooth knit fabric.

$49.90

4.75 star rating

A chic orange mermaid dress with a cowl neckline and adjustable spaghetti straps in stretchy knit fabric.

$74.90

3.75 star rating

A black glitter knit mermaid dress with a halter neckline and high front wrap slit.

$64.90

5 star rating

A royal blue formal dress with a V-neckline, strappy back, and high side slit.

$99.90

4.5 star rating

A stunning light blue formal dress with rhinestones, featuring a strapless neckline and cowl back design.

$99.90

4.666667 star rating

A navy blue mermaid gown with glitter knit fabric, cowl neckline, and adjustable spaghetti straps.

$74.90

4.666667 star rating

A navy blue glitter knit one-shoulder dress with a high slit and floor-length silhouette.

$44.90

5 star rating

A grey ribbed knit midi dress featuring a sweetheart neckline with a twist accent and long sleeves.

$79.90

4.666667 star rating

A glamorous green mermaid dress with glitter knit fabric, cowl neckline, and lace-up back.

$119.90

4.666667 star rating

A stunning blue floral sequin dress with a lace-up back and high front slit.

$79.90

5 star rating

A red glitter knit mermaid dress with a lace-up back and high front slit for elegance.

$36.90

3.666667 star rating

A black knit midi dress with a sleeveless square neckline, ruching, and pleated mermaid silhouette.

$79.90

3.333333 star rating

A strapless green mermaid dress with glitter knit fabric and a high front wrap slit.

$69.90

5 star rating

A black glitter knit mermaid dress with a V-neck, high slit, and adjustable spaghetti straps.

Sale

$9.97 $42.90 77% off

4 star rating

A chic black strapless midi dress with a cowl-draped neckline and asymmetric hem for allure.

Sale

$9.97 $59.90 83% off

5 star rating

A black knit formal dress featuring a plunge cowl neckline and fitted long sleeves.

$164.90

5 star rating

A black mermaid formal dress featuring a corset bodice, lace-up back, and high front slit.

$69.90

5 star rating

A burgundy mesh mermaid dress with a V-neckline and adjustable spaghetti straps for formal events.

$59.90

5 star rating

A chic navy blue midi dress with glitter knit fabric, sweetheart neckline, and lace-up back.

$59.90

5 star rating

A chic black crepe formal dress featuring a lace-up back, high slit, and slim silhouette.

$69.90

5 star rating

A mint mermaid formal dress with a cowl neckline, high slit, and stretchy knit fabric.

$79.90

5 star rating

A lavender mermaid formal dress featuring a ruched silhouette and adjustable spaghetti straps.

Sale

$29.97 $64.90 54% off

5 star rating

A stunning green glitter knit mermaid dress with a halter neckline and dramatic high front slit.

$69.90

5 star rating

An elegant black mermaid dress with a glitter knit fabric and pleated cowl neck overlay.

Sale

$29.97 $64.90 54% off

5 star rating

A glamorous green glitter knit mermaid dress with a cowl neckline and strappy open back.

$42.90

5 star rating

A black glitter knit midi dress with a cowl neckline, cross-back design, and high side slit.

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Windsor Rowena Sequin Mermaid Dress in Navy Blue
(166) 4.7228913 star rating

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

Windsor Lola Formal High Slit Glitzy Glitter Dress in Navy Blue
Sale
(59) 4.4576273 star rating

Flaunt your glam style in the fabulous Lola high slit glitter dress! She features a trendy cowl neckline with a slim-fit bodice, a floor-sweeping silhouette with a sultry high side slit to elongate your legs, and a form-hugging fit. She is composed of glitzy glitter knit fabric that offers a curve-hugging fit with a moderate stretch. Pair this gorgeous long dress with a sleek ring set to add some glamour to your look for your special occasion. Fit & FeaturesCowl neckline, spaghetti straps, Slim-fit bodice, form-hugging fit, Floor-length silhouette, Thigh-high side slit, Glitter knit fabric, mini-length inner knit lining, moderate stretch, Sticky bra recommended, Runs true to size, The saturation of glitter varies. Glitter may transfer. Free Shipping on All Orders Over $75. | Windsor Lola Formal High Slit Glitzy Glitter Dress in Navy Blue | Size: L | Knit Fabric

Sophie Glitter Knit Mermaid Dress in Navy Blue
(36) 4.4166665 star rating

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

Windsor Gwendolyn Glitter Knit Bow-Back Mermaid Dress in Light Blue
(31) 4.516129 star rating

The Gwendolyn glitter knit bow-back mermaid dress will have you sparkling up the night with a glamorous allure. She features a sleeveless square neckline, a bold backless design, a high waist seam, a chic bow accent at the lower back with a flowy floor-length train, a floor-sweeping hem with a mermaid silhouette, and a form-hugging fit. Style this long dress with a rhinestone clutch for a black-tie wedding. Fit & FeaturesSleeveless square neckline, spaghetti straps, Backless design, high waist seam, Bow-back accent, floor-length train, Floor-sweeping hem, mermaid silhouette, Form-hugging fit, Glitter knit fabric, Sticky bra or pasties recommended, Runs true to size, Free Shipping on All Orders Over $75. | Windsor Gwendolyn Glitter Knit Bow-Back Mermaid Dress in Light Blue | Size: L | Knit Fabric/Rhinestone

Lucille Formal Satin Mermaid Dress in Coral
(29) 4.827586 star rating

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

Alicia Off-The-Shoulder Mermaid Formal Dress in Green
(23) 4.826087 star rating

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 Green | Size: S | Knit Fabric

Priscilla Formal Satin Strapless Mermaid Dress in Taupe
(23) 4.347826 star rating

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 Taupe | Size: M | Satin Fabric

Kathie Formal Satin One-Shoulder Dress in Gold-2
(22) 4.7727275 star rating

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 Gold-2 | Size: M | Satin Fabric

Windsor Shay Formal Lurex Glitter Dress in Rose Gold
(20) 4.45 star rating

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

Windsor Deyna Formal Mesh Off-The-Shoulder Long Dress in Periwinkle
(20) 4.75 star rating

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 Periwinkle | Size: L | Knit Fabric/Mesh Fabric/Mesh Fabric

Knit Formal Dresses

When it comes to making a statement at your next big event, nothing says “I’ve arrived” quite like a knit formal dress. There’s something about the way these dresses hug your curves, move with you, and bring a little extra attitude to the room that just hits different. Think about it: you’re gliding into the venue, soft knit fabric skimming your skin, looking and feeling like your best self—effortlessly elevated, confident, and ready for every photo opp. Knit formal dresses are the ultimate secret weapon for the girl who wants comfort without ever sacrificing style. They’re the chameleons of your wardrobe, playing it cool at a rooftop party one night and then turning heads at a black-tie wedding the next. The best part? They’re made for real life, not just for standing still and posing. Whether you’re breaking it down on the dance floor, making your way through a crowded room, or sneaking out for a late-night snack run with your besties, a knit dress moves with you, not against you.

Choosing the right knit formal dress is all about knowing your vibe and owning it. Picture this: you’re shopping for that one dress that’s going to carry you through a whirlwind of RSVP’s, from fancy banquets to charity galas to your cousin’s engagement party. You want a dress that feels like you—maybe it’s got a daring neckline, a dramatic slit, or some seriously playful texture. The beauty of knit fabric is that it can do it all: sleek and sculpted for those “look at me” moments, or soft and drapey for a more romantic, laid-back feel. And if you’re shopping for a gift? Trust, a knit formal dress is the kind of present that makes you the instant favorite, especially for grads, birthday queens, or anyone who’s celebrating a major milestone. These dresses are made for making memories—think twirling under twinkly lights, slow dancing with your crush, or toasting with your ride-or-die crew. Plus, they’re a lifesaver when you need to go from dinner to after-party without missing a beat. Just add a bold lip and your go-to heels, and you’re golden.

If you’re all about versatility, you’ll love how knit formal dresses can be styled up or down depending on your mood (and your plans). Layer on some sparkling jewelry, slip into strappy heels, and you’re ready for any red-carpet moment. Or, keep it chill with a sleek clutch and barely-there makeup for a look that’s all about effortless glam. And don’t sleep on the details—think ribbed textures, cutouts, or a little shimmer woven right in. These are the things that make your dress stand out in a sea of basic. If you’re tempted to explore even more ways to wear your favorite knit styles, check out our collection of Knit Cocktail Dresses for that perfect in-between vibe. No matter where you’re headed, knit formal dresses are your ticket to feeling fearless, fabulous, and totally unforgettable—because you deserve to be the main character, every single night.