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Plus size long sleeve formal attire offers a perfect blend of elegance and sophistication for any special occasion. Whether you're attending a gala, wedding, or evening event, you'll find styles designed to flatter and provide confidence with every wear. Explore a wide variety of silhouettes, colors, and details that celebrate your unique shape while ensuring you look and feel your best. Discover plus size long sleeve formal attire that makes every moment memorable.

Rare Beauty Dress - navy
by City Chic

An elegant navy cocktail dress with a lace bodice, tulle skirt, and scalloped V-neckline.

~~$179.00~~

From $125.30
Save up to $54 (30%)
Tuxedo Dress - black
by City Chic

A black tuxedo dress with a collared lapel neckline and figure-flattering double breast button-down design.

~~$149.00~~

From $104.30
Save up to $45 (30%)
Esmeralda Wedding Dress
by SYDNEY'S CLOSET

An elegant A-line wedding dress featuring a lace waistband and glitter tulle underlayer for added glam.

$699.00
OFFICE WORK BUTTON LONG SLEEVE BLACK BLAZER
by AGNES ORINDA

A sleek black long sleeve blazer with a notched panel and single button closure.

$99.89
UPTOWN EVENING DRESS
by CELEBRATIONS BY SYDNEY'S CLOSET

A sleek black sequin gown with long sleeves, deep V-neck, and soft stretch knit lining.

$239.00
FLAWLESS FORMAL DRESS
by SYDNEY'S CLOSET

A curve-hugging one-shoulder dress with glimmering paillettes in vibrant colors and a sexy high slit.

$259.00
Refined Satin Jumpsuit
by KIYONNA

A sleek onyx satin jumpsuit with lantern sleeves, ruched waistband, wide legs, and convenient pockets.

$248.00
MOMENTS LIKE THIS ALINE GOWN
by SYDNEY'S CLOSET

A romantic A-line gown with 3D floral embellishments, available in pastel colors and plus sizes.

$359.00
Mon Tresor Lace Evening Gown
by KIYONNA

An elegant gold evening gown with metallic floral lace, sheer sleeves, and a dramatic cowlneck.

$368.00
MERCEDES PAGEANT GOWN
by JOHNATHAN KAYNE FOR SYDNEY'S CLOSET

A glamorous stretch lace mermaid gown with sparkling stones, available in vibrant colors and a comfortable fit.

$339.00
Power of Hue Formal Gown
by SYDNEY'S CLOSET

A bold long sleeve gown in stretch lycra with a plunging neckline and eye-catching hot fix stones.

$239.00
Viola Velvet Long Sleeve Wrap Dress
by KIYONNA

An enchanting onyx velvet wrap dress with cascading flounces, perfect for formal events and weddings.

$108.00
Isabella Embroidered Floral Mesh Gown
by KIYONNA

An elegant plus size mesh gown with floral embroidery, featuring a surplice neckline and cowl back.

$388.00
NOTCH LAPEL BUTTONS FRONT BLAZER
by AGNES ORINDA

A black regular fit blazer with notch lapels, front besom pockets, and long sleeves.

$94.89
Radiant Opulence Evening Gown
by KIYONNA

An elegant velvet gown with gold floral skirt, V neckline, and dramatic draped sleeves.

$348.00
Luminous Sequin Lace Long Gown
by KIYONNA

A navy sequin lace gown with flutter sleeves and pockets, designed for plus size elegance.

$248.00
Serena Satin Ruffle Wrap Dress
by KIYONNA

A chic onyx satin wrap dress with a ruffled hem and waist-defining self-tie closure.

$168.00
Alluring Sequins Formal Jumpsuit
by KIYONNA

An elegant black jumpsuit with sequined lace bodice and wide-leg pleated pants for formal occasions.

$288.00
Long Sleeve Blaire Dress
by TANYA TAYLOR

A luxurious satin charmeuse faux-wrap midi dress with a hand-painted Ikat Bloom print and cascading ruffle.

~~$595.00~~

From $238.00
Save up to $357 (60%)
Bella Donna Dress with Ribbon and Bishop Sleeves
by L I V D

A floor-length A-line dress in polyester with bishop sleeves, ribbon neck tie, and practical pockets.

$109.00
CHASSIS EVENING GOWN
by JOHNATHAN KAYNE FOR SYDNEY'S CLOSET

A glamorous mermaid gown in sequin paillettes on stretch velvet, featuring detachable drape sleeves.

$499.00
Flare Sleeve Scuba Dress
by ELOQUII

A black scuba dress with flare sleeves and a close fit bodice, made from stretch double knit fabric.

$109.95

What customers like:
High-quality material Flattering fit Compliment magnet Versatile style Elegant design
The Ultimate Stretch One Button Blazer
by ELOQUII

A black tailored blazer in compact stretch knit with a single button closure and notch lapel.

$109.95

What customers like:
Flattering fit High quality material Comfortable wear Versatile style Stretchy fabric
Knit Tie-Back Maxi
by ellos

A chic black stretch maxi dress featuring wide elbow-length sleeves and a self-tie back sash.

~~$89.90~~

From $71.92
Save up to $18 (20%)

What customers like:
Wrinkle-resistant and travel friendly Versatile style Flattering silhouette Comfortable fit Soft, stretchy fabric

Plus Size Long Sleeve Formal Attire

Finding the perfect plus size long sleeve formal attire is about more than just dressing for an occasion—it’s about feeling confident, comfortable, and celebrated at every event on your calendar. Whether you’re preparing for a late summer wedding, a milestone birthday, a corporate gala, or a sophisticated dinner party, long sleeve formalwear offers both elegance and practicality. As August ushers in the transition from warm days to cooler evenings, long sleeves become especially appealing, providing just the right amount of coverage without sacrificing style. Many women appreciate the way long sleeves can add a touch of refinement to their look, whether through delicate lace, sheer overlays, or bold, structured fabrics. For those who prefer a little more coverage on their arms or simply love the timeless appeal of a long sleeve silhouette, these pieces are a wardrobe staple. They also make thoughtful gifts for loved ones celebrating special moments, such as a daughter attending her first formal dance, a friend marking a major achievement, or a partner preparing for a night out on the town.

When shopping for plus size long sleeve formal attire, fit and fabric are key considerations. Look for pieces that are carefully tailored to enhance your curves and allow for ease of movement, especially if you’ll be dancing or mingling throughout the evening. Breathable materials like chiffon and crepe are popular for late summer events, while velvet or heavier satins are ideal as the season shifts toward fall. Details such as ruching, wrap styles, and strategic draping can flatter your shape and add visual interest, while embellishments like sequins, beading, or embroidery offer a touch of glamour. Long sleeves can range from fitted and sleek to billowy and dramatic, so consider the overall vibe of the event and your personal style preferences. For outdoor gatherings or venues with unpredictable temperatures, long sleeves provide an extra layer of comfort, ensuring you can focus on enjoying the celebration rather than worrying about a chill in the air. Many women find that investing in a versatile piece with long sleeves allows them to transition seamlessly from one event to another, simply by changing up accessories or footwear.

As you browse through options for plus size long sleeve formal attire, think about how each piece might serve you beyond a single occasion. A well-chosen dress or ensemble can become a go-to favorite for years to come, ready to be styled anew for holiday parties, charity events, or even formal family gatherings. For those looking ahead to the colder months, you may also want to explore our curated collection of Plus Size Winter Formal Attire for inspiration on how to stay warm and stylish as the seasons change. Ultimately, the best formalwear is the kind that makes you feel authentic and empowered, allowing your personality to shine through every detail—from the silhouette you choose to the way you accessorize. Whether you’re celebrating a personal milestone or simply savoring the joy of dressing up, long sleeve formal attire offers endless possibilities for expressing your unique sense of style.