Long Dresses
Long dresses are the easiest way to look styled without overthinking it. From casual to cocktail, choose knit satin, silky satin, mesh, slinky jersey knit, and ribbed knit in silhouettes with long sleeves, short sleeves, mock neck, wide-neck, off the shoulder, plunging v-necklines, and drapey cowl necks. Cut outs with luxe gold hardware keep things modern, while fall hues like chocolate brown, burgundy, deep plums, and classic black bring the mood. Perfect for wedding guest events, date nights, and birthday dinner parties.
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Long Dresses for Effortless Fall & Winter Style
Long dresses make getting dressed feel instantly pulled together, whether your day calls for a relaxed floral maxi or your night deserves a floor-sweeping gown. This fall and winter, discover flowing fabrics alongside sculptural floor-length dresses, with casual long dresses for getaways and elevated styles that make special plans feel effortless.
Are All Long Dresses Formal?
Not at all. Fabric, silhouette, and styling can completely change the mood. A relaxed floral maxi can feel easy for Thanksgiving dinner or a weekend away, while satin, sheer details, or a fitted column silhouette can turn the length into evening wear. Formal long dresses and long gowns bring extra polish for holiday office parties and dressier events—the length gives you options rather than defining the dress code.
Which Long Dress Silhouette Should I Choose?
Think about the movement and shape you want. Flowing maxis create an easy, graceful effect, while column styles keep the line sleek and streamlined. Mermaid Dresses bring more structure before flaring toward the hem, and dresses with high slit details add movement to fitted silhouettes. For an engagement photoshoot, those details can give a long dress extra dimension as you move in front of the camera.
Can I Wear a Long Dress to a Wedding?
Absolutely—just let the venue and dress code guide the look. A relaxed print can feel right for a rustic celebration; explore Country Wedding Guest Dresses when that’s the vibe. More polished weddings may call for elevated fabrics, sculptural silhouettes, or details like sheer panels, draped sleeves, ruffles, and statement bows.
Find Your Floor-Length Favorite with Us
Some dresses just need to be tried on IRL. Visit one of Windsor’s 350+ stores across North America to see how the length, fit, and fabric move on you, shop online, or get Windsor's Clothing App for convenient shopping, virtual try-ons, and exclusive perks.
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Sorrel Cowl Back Side Slit Formal Dress
Special Occasion
The low cowl back gives this formal dress a striking draped finish. Draped hip detailing and a high side slit add dimension to the fitted floor-length silhouette while keeping the front clean and refined. It feels sleek, elegant, and confidently polished.
Fit & Features
- Lined smooth knit fabric with stretch
- Sleeveless boat neckline
- Open low cowl back accent
- Draped hip detailing
- High side slit
- Mermaid floor-length silhouette
- Runs true to size
Where to Wear:
Wedding guests, bridesmaids, black-tie events, galas, rehearsal dinners, engagement parties, cocktail soirees, anniversaries, red-carpet occasions, formal celebrations
Style Number/Barcode: 05002-001880
Category Name: Long Dresses
Price: $79.90
Availability: In Stock
Available Color: BROWN
Available Size: S, M, L, XL
Product Badge:- Ships Free
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Hallie Cowl Back Front Slit Mermaid Dress
Special Occasion
Sculpted through the body with movement at the hem. This cowl-back, front-slit mermaid dress combines a streamlined fit with ruched draping and a floor-length flare for a silhouette that feels elegant and modern. The draped cowl back adds a polished finishing detail.
Fit & Features
- Lined mesh fabric with stretch
- Sleeveless boat neckline
- Ruched draping through the waist and hips
- Draped cowl back, zipper and hook-eye closure
- Front high slit
- Mermaid floor-length hem
- Runs true to size
Where to Wear:
Weddings, black-tie events, formal celebrations, fancy brunches, cocktail soirees, honeymoons
Style Number/Barcode: 05002-001881
Category Name: Long Dresses
Price: $79.90
Availability: In Stock
Available Color: PLUM
Available Size: XS, S, M, L, XL
Product Badge:- Ships Free
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Thalia Rhinestone Mermaid Formal Dress
Special Occasion
The rhinestone detailing gives this formal dress its most striking finish. This mermaid formal dress pairs allover sparkle with ruched shaping, sheer long sleeves, and a long front sash for a look that feels glamorous, polished, and dramatic. The embellishment brings high-impact shine while keeping the silhouette refined.
Fit & Features
- Rhinestone-embellished knit fabric, lined
- Plunge neckline
- Fitted long sleeves
- Keyhole back detail
- Center front cascading sash
- Mermaid floor-length silhouette
- Runs true to size
Where to Wear:
Weddings, black-tie events, galas, red-carpet occasions, formal celebrations, holiday parties
Style Number/Barcode: 05002-001877
Category Name: Long Dresses
Price: $149.90
Availability: Out of Stock
Product Badge:- Ships Free
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Eulalie Rhinestone Halter Mermaid Formal Dress
Special Occasion
A sculpted mermaid silhouette gives this formal dress a timeless, red-carpet presence. The plunging halter neckline and ruched detailing define the fitted shape before flowing into a floor-length hem with a high front slit, while rhinestones add refined sparkle. It feels glamorous, poised, and steeped in Old Hollywood allure.
Fit & Features
- Rhinestone-embellished mesh fabric, stretchy knit lining
- Plunging halter neckline, tie straps, with wired insert
- Ruched seams
- Open back
- High front slit
- Mermaid floor-length silhouette
- Runs true to size
Where to Wear:
Black-tie galas, red-carpet events, weddings, fancy birthday dinners, special date nights, formal celebrations, upscale cocktail parties
Style Number/Barcode: 05002-001884
Category Name: Long Dresses
Price: $89.90
Availability: In Stock
Available Color: BLACK
Available Size: XS, S, M, L, XL
Product Badge:- Ships Free
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Luelle Draped One-Shoulder Slit Formal Dress
Special Occasion
A little draping, a little daring, and plenty of sophistication. The one-shoulder design creates an artful shape, while gathered detailing at the hip and a high side slit give this long dress its distinctive appeal. It delivers sultry elegance with a modern twist.
Fit & Features
- Smooth knit fabric with stretch
- One-shoulder neckline with gathered detailing
- High side slit accent
- Form-hugging column silhouette
- Long-length hem
- Runs true to size
Where to Wear:
Wedding guests, black-tie galas, cocktail parties, formal celebrations, rehearsal dinners, anniversaries, fashion-forward events, red-carpet occasions
Style Number/Barcode: 05002-001882
Category Name: Long Dresses
Price: $79.90
Availability: In Stock
Available Color: WINE
Available Size: XS, S, M, L, XL
Product Badge:- Ships Free
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Iliana Cowl Neck Mermaid Formal Dress
Special Occasion
This floor-length formal dress is easy to style when the goal is timeless and refined. The cowl neckline and ruched draping add enough visual interest to pair with block heels and elegant accessories without competing for attention. It lands sleek, graceful, and confidently put together.
Fit & Features
- Sleek lined knit fabric, high stretch
- Cowl neckline, padded bra cups, wide shoulder straps
- Back zipper and hook-eye closure
- Ruched seam detailing
- Mermaid floor-length silhouette
- Runs true to size
Where to Wear:
Weddings, bridesmaids, rehearsal dinners, engagement parties, black-tie galas, formal celebrations, red-carpet events
Style Number/Barcode: 05002-001879
Category Name: Long Dresses
Price: $89.90
Availability: In Stock
Available Color: BLACK, EGGPLANT
Available Size: XS, S, M, L, XL
Product Badge:- Ships Free
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Dot Your Calendar Lace-Up Midi Dress
The kind of midi dress that makes you want to linger a little longer over brunch, order dessert, and say yes to the after-plans. With its vintage-inspired polka dots, lace-up back, and twirl-worthy skirt, this midi dress is timeless and effortlessly romantic.
Fit & Features
- Polka dot print, woven fabric
- Sweetheart neckline, spaghetti straps
- Lace-up back detail
- Hidden side pockets
- A-line silhouette
- Midi-length hem
- Runs true to size
Style Number/Barcode: 05101-001512
Category Name: Long Dresses
Price: $64.90
Availability: Out of Stock
Product Badge:- Ships Free
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Auretta Chiffon Scarf Mermaid Formal Dress
Special Occasion
Sleek lines give this look its polished presence. The fitted bodice flows into a floor-length mermaid shape, while the V-neckline and coordinating chiffon scarf bring a refined, modern finish. The result feels elegant, sculpted, and effortlessly current.
Fit & Features
- Smooth lined knit fabric with stretch
- V-neckline, padded bra cups
- Adjustable spaghetti straps
- Fitted bodice, lace-up back detail
- Includes a chiffon scarf
- Floor-length mermaid silhouette
- Runs true to size
Where to Wear:
Weddings, black-tie events, galas, balls, formal celebrations, rehearsal dinners, bridesmaids, engagement parties, fancy birthday events
Style Number/Barcode: 05002-001886
Category Name: Long Dresses
Price: $89.90
Availability: In Stock
Available Color: HUNTER, WINE, YELLOW
Available Size: XS, S, M, L, XL
Product Badge:- Ships Free
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Mireille Front Slit Halter A-Line Long Dress
Special Occasion
The front slit gives this long dress its defining detail. This A-line long dress pairs a high halter neckline with a ruched waist and open back for a finish that feels polished, fluid, and refined. The slit adds just enough movement to keep the look interesting.
Fit & Features
- Lined mesh fabric with stretch
- High halter neckline
- Ruched waist
- Open back with tie detail
- Front slit
- Flowing A-line floor-length silhouette
- Runs true to size
Where to Wear:
Wedding guests, bridesmaids, black-tie events, galas, balls, formal celebrations, upscale birthday events, anniversaries, red-carpet occasions
Style Number/Barcode: 05002-001890
Category Name: Long Dresses
Price: $89.90
Availability: In Stock
Available Color: WINE
Available Size: XS, S, M, L, XL
Product Badge:- Ships Free
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Ariah Pleated High Slit Mermaid Dress
Special Occasion
Made for sweeping into the room, the Ariah formal dress pairs lustrous knit fabric with a curve-skimming mermaid silhouette, flattering pleated draping, and a dramatic high slit. The sculpted neckline and fluid, floor-length finish bring polished glamour to weddings, galas, black-tie parties, and elevated evenings out.
Fit & Features
- Sleek knit fabric with full-length knit lining, high stretch
- Sleeveless V-neckline, pleated wrap-front overlay
- Tank straps, back zipper with hook-eye closure
- Pleated waist
- High-cut side slit
- Floor-length mermaid silhouette
- Runs true to size
Where to Wear:
Weddings, black-tie parties, galas, dressed-up dinners, formal nights out, and chic soirees.
Style Number/Barcode: 05002-001891
Category Name: Long Dresses
Price: $79.90
Availability: In Stock
Available Color: MAGENTA
Available Size: XS, S, M, L, XL
Product Badge:- Ships Free
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Nala Rhinestone Dragon Sheer Mesh Mock Neck Formal Dress
Special Occasion
Designed for entrances with a little extra intrigue, the Nala formal dress shapes a sleek bodycon silhouette with sheer mesh and a striking rhinestone dragon embellishment. A mock neck, cutout front, and sultry thigh-high slit finish the look with a bold, glamorous edge.
Fit & Features
- Mesh fabric with partial knit lining, high stretch
- Curved mock neckline, asymmetric cutout with flower button details
- Short cap sleeves, hidden side zipper with hook-eye closure
- Rhinestone-embellished dragon design
- Asymmetric sheer mesh waist cutout
- Floor-length hem, high-cut side slit, slim-fit silhouette
- Runs true to size
Where to Wear:
Formal parties, dressed-up dinners, rooftop parties, and glitzy nights out.
Style Number/Barcode: 05002-001892
Category Name: Long Dresses
Price: $139.90
Availability: In Stock
Available Color: BLACK
Available Size: S, M, L, XL
Product Badge:- Ships Free
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Make An Entrance Halter Maxi Dress
Consider this your cue to make plans. This ruched mesh maxi dress brings the drama with a plunging halter neckline, open back, sculpting ruching, and a sweeping mermaid silhouette that knows exactly how to make an entrance.
Fit & Features
- Mesh fabric with knit lining, high stretch
- Sleeveless plunging V-neckline
- Tie-back halter straps
- Open back
- Ruched waist, front sash accent
- Maxi-length mermaid silhouette
- Runs true to size
Style Number/Barcode: 05101-001522
Category Name: Long Dresses
Price: $48.90
Availability: In Stock
Available Color: WINE
Available Size: XS, S, M, L, XL
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Sleek Ruffle Slit Halter Midi Dress
This sleek midi dress makes getting dressed feel instantly more polished. The halter curve-hugging silhouette pairs a plunging neckline with a ruffle-trimmed slit for a fluid, elongated look. Finish it with heels and delicate jewelry for dressy occasions or plans.
Fit & Features
- Sleek knit-lined stretchy fabric
- Halter V-neckline with tie-back straps
- Open-back design
- Ruffle-trimmed front slit
- Curve-hugging fit
- Midi-length hem
- Runs true to size
Style Number/Barcode: 05101-001518
Category Name: Long Dresses
Price: $44.90
Availability: In Stock
Available Color: DENIM
Available Size: XS, S, M, L
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Sleek Intent Mesh Bodycon Maxi Dress
Sleek, sculpted, and doing the most in the right way. This high-stretch mesh bodycon maxi dress hugs the figure with a square neckline, adjustable spaghetti straps, and asymmetric ruching across the bust for a chic finish.
Fit & Features
- Mesh fabric with knit lining, high stretch
- Sleeveless square neckline
- Ruched asymmetric design at the bust
- Adjustable spaghetti straps
- Maxi-length hem
- Bodycon silhouette
- Runs true to size
Style Number/Barcode: 05101-001521
Category Name: Long Dresses
Price: $46.90
Availability: In Stock
Available Color: BLACK
Available Size: XS, S, M, L
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Sybille Front Slit One Shoulder Formal Dress
Special Occasion
A sleek mermaid silhouette gives this formal dress an elegant, sculpted profile. The one-shoulder neckline and waist cutout define the upper shape before the fitted skirt flows into a floor-length hem with a high front slit. It feels polished, graceful, and effortlessly chic.
Fit & Features
- Smooth knit fabric with stretch
- One-shoulder neckline
- Asymmetric bodice with waist cutout
- Fitted mermaid silhouette
- High front slit
- Floor-length hem
- Runs true to size
Where to Wear:
Weddings, black-tie galas, rehearsal dinners, engagement parties, anniversaries, formal celebrations, upscale cocktail parties, red-carpet events, balls
Style Number/Barcode: 05002-001896
Category Name: Long Dresses
Price: $79.90
Availability: In Stock
Available Color: WINE
Available Size: XS, S, M, L
Product Badge:- Ships Free
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Sarina Crew Neck Illusion Side Formal Dress
Special Occasion
This long dress makes its statement through one striking detail. The crew neckline keeps the silhouette clean and sophisticated, while the sheer illusion side panel adds a modern edge that sets the design apart. The result is formal, distinctive, and confidently chic.
Fit & Features
- Lined knit fabric with high stretch
- Sleeveless crew neckline
- Keyhole back cutout with button closure
- Sheer illusion mesh side panel
- High side slit
- Long-length column silhouette
- Runs true to size
Where to Wear:
Wedding guests, black-tie galas, cocktail parties, formal celebrations, anniversaries, fashion-forward events, rehearsal dinners, engagement parties, elegant birthday dinners
Style Number/Barcode: 05002-001906
Category Name: Long Dresses
Price: $69.90
Availability: Out of Stock
Product Badge:- Ships Free
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Evadelle Strapless Scarf Mermaid Formal Dress
Special Occasion
A removable scarf adds an easy styling shift to this sleek formal silhouette. This mermaid formal dress combines a strapless neckline, a floor-length hem, and a long, flowy scarf that can be styled around the neck for an extra dramatic flair, or not, to give your look an effortless charm.
Fit & Features
- Smooth-lined knit fabric, high stretch
- Strapless neckline
- Scarf included and is not attached to the dress
- Mermaid floor-length silhouette
- Runs true to size
Where to Wear:
Wedding guests, bridesmaids, black-tie galas, balls, holiday soirees, formal celebrations, rehearsal dinners, red-carpet occasions
Style Number/Barcode: 05002-001899
Category Name: Long Dresses
Price: $79.90
Availability: In Stock
Available Color: YELLOW, NAVY
Available Size: XS, S, M, L
Product Badge:- Ships Free
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Lia Glitter Knit Halter Mermaid Dress
Special Occasion
Made for a slow, striking entrance, the Lia formal dress glimmers in glitter knit with a curve-skimming mermaid silhouette and sultry halter neckline. A ruched bust, thigh-high slit, and open back finished with snake O-ring hardware bring the drama from every angle.
Fit & Features
- Glitter knit fabric with full-length knit lining
- Sleeveless sweetheart neckline, ruched center detail
- Tie-back tank halter straps
- Open back, snake-design metal accent
- Floor-length hem, thigh-high front slit
- Mermaid silhouette
- Runs true to size
Where to Wear:
Formal parties, black-tie events, galas, soirees, and dressed-up dinners.
Style Number/Barcode: 05002-001907
Category Name: Long Dresses
Price: $79.90
Availability: In Stock
Available Color: BLACK
Available Size: XS, S, M, L, XL
Product Badge:- Ships Free
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Zafira Plunge Halter Mermaid Formal Dress
Special Occasion
The plunging halter neckline gives this formal dress its most striking detail. This mermaid formal dress pairs the deep V front with ruched waist shaping and an open back for a look that feels sleek, sultry, and polished. The clean finish keeps the silhouette feeling modern and refined.
Fit & Features
- Sleek knit fabric, knit lining
- Plunge halter neckline with tie straps
- Open back, zipper and hook-eye closure
- Ruched mermaid silhouette
- Floor-length hem
- Runs true to size
Where to Wear:
Weddings, black-tie galas, balls, holiday soirees, red-carpet events, formal celebrations
Style Number/Barcode: 05002-001905
Category Name: Long Dresses
Price: $69.90
Availability: In Stock
Available Color: WINE
Available Size: XS, S, M, L, XL
Product Badge:- New Arrival
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Mila Satin Halter Mermaid Formal Dress
Special Occasion
The shine is subtle, but the details are doing plenty. This satin mermaid formal dress balances a halter neckline, ruched waist, and high front slit for a sleek finish with added dimension. The result feels polished, sculpted, and easy to notice.
Fit & Features
- Stretch satin fabric, knit lining
- High halter neckline with tie straps
- Open back, zipper and hook-eye closure
- Ruched detailing through the waist
- High front slit
- Mermaid silhouette, floor-length hem
- Runs true to size
Where to Wear:
Weddings, black-tie galas, bridesmaids, rehearsal dinners, engagement parties, upscale cocktail parties, red-carpet events, formal celebrations, anniversaries
Style Number/Barcode: 05002-001901
Category Name: Long Dresses
Price: $69.90
Availability: In Stock
Available Color: NAVY, WINE
Available Size: XS, S, M, L, XL
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Ondine Flocked Plunge Neck Mermaid Gown
Special Occasion
Homecoming calls for a look with a little more drama. This mermaid gown pairs a flocked finish with a plunge neckline and lace-up back for a sleek, statement-making silhouette. It’s an easy choice when the night calls for something polished and memorable.
Fit & Features
- Flocked mesh fabrication, knit lining
- Plunging V neckline, padded bra cup, adjustable spaghetti straps
- Lace up back design, zipper and hook-eye closure
- Mermaid silhouette with floor-length hem
- Runs true to size
Where to Wear:
HOCO, formal parties, wedding guest, anniversaries, and dinner-dates.
Style Number/Barcode: 05002-001902
Category Name: Long Dresses
Price: $69.90
Availability: In Stock
Available Color: NAVY
Available Size: XS, S, M, L, XL
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Laurel Tie-Back Mermaid Formal Dress
Special Occasion
Soft chiffon trim and sculpted shape make the Laurel formal dress feel especially current. The strapless mermaid dress balances a flowing finish with a defined fit and tie-back detail for a polished take on modern occasion dressing. The result feels fresh, elegant, and right on trend.
Fit & Features
- Smooth knit fabric with sheen, knit lining, high stretch
- Strapless chiffon neckline, non-slip grip lining, padded bra cups
- Tie-back design, zipper and hook-eye closure
- Fitted mermaid silhouette
- Floor-length hem
- Runs true to size
Where to Wear:
Weddings, bridesmaids, rehearsal dinners, engagement parties, cocktail soirees, formal celebrations, vacations, honeymoons, resorts, special date nights
Style Number/Barcode: 05002-001908
Category Name: Long Dresses
Price: $89.90
Availability: In Stock
Available Color: PLUM
Available Size: XS, S, M, L, XL
Product Badge:- Ships Free
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Curve Lace Trim Asymmetrical Slip Midi Dress
A little lace changes the whole direction. This slip midi dress combines a lace-trimmed bust with delicate straps and an uneven hemline for a more distinctive finish. The detailing adds interest while keeping the silhouette clean and fluid.
Fit & Features
- Knit fabric
- Spaghetti straps
- Lace-trimmed V neckline
- Slip silhouette
- Asymmetrical handkerchief-style hem
- Midi length hem
- Runs true to size
Style Number/Barcode: 05101-001544
Category Name: Long Dresses
Price: $46.90
Availability: In Stock
Available Color: BLACK
Available Size: XS, S, M, L
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Side Note Strapless Ruffle Midi Dress
The slit is doing exactly enough. This strapless midi dress pairs a clean foldover neckline with a high side slit and ruffle hem for a sleek look with a little attitude. The asymmetrical finish keeps it flirty and perfect for wedding guests and dressy parties.
Fit & Features
- Ponte fabric, knit lining
- Strapless foldover neckline
- Back zipper and hook-eye closure
- High side slit
- Curve-hugging silhouette
- Asymmetrical ruffle hem
- Midi length
- Runs true to size
Style Number/Barcode: 05101-001625
Category Name: Long Dresses
Price: $52.90
Availability: In Stock
Available Color: HUNTER
Available Size: XS, S, M, L, XL