SPANX® Poplin Oversized Button-Up Shirt – Classic White

💃 Plus-Size Friendly | ✨ Effortlessly Chic | 🖤 Closet Staple | ⚡ Selling Fast
Designed for real curves, real comfort, and everyday wear in sizes M–3X.

Meet your new favorite top. A true wardrobe essential, the SPANX® Poplin Oversized Button-Up Shirt in Classic White is the timeless button-down every closet needs. Crafted from premium Supima® cotton with a super-fine yarn count, this lightweight yet durable shirt delivers a polished look with all-day comfort.

Featuring an oversized silhouette, a high-low shirttail hem, and pleated back detail, this style is perfect for the office, travel, and everyday wear, and pairs effortlessly with your favorite denim, trousers, and accessories.

Why You'll Love It

• Classic white button-up that never goes out of style
• Premium Supima® cotton feels soft and luxurious
• Flattering fit designed with curves in mind
• Oversized fit creates a comfortable, polished silhouette
• Lightweight fabric makes it ideal for every season
• High-low hem adds flattering coverage
• Perfect for work, weekends, travel, or everyday wear
• Pairs beautifully with SPANX® pants, Judy Blue jeans, and skirts
• An easy layering piece for endless outfit combinations
• A closet staple you'll reach for again and again

Fit & Feel

• Fit: Oversized, relaxed
• True to size: Yes
• Length: High-low shirttail hem
• Fabric feel: Lightweight, woven cotton
• Stretch: None
• Neckline: Classic collared button front
• Sleeves: Long
• Coverage: Full coverage
• Bra-friendly: Yes
• Layering-friendly: Yes
• Sizing recommendation: Choose your normal size for the intended oversized fit. Available in sizes M–3X.

Who It's Great For

This style is especially flattering for:

• Circle Shapes – The relaxed shape and longer hem provide comfortable coverage while creating a clean, elongated silhouette.
• Triangle Shapes – The structured collar and relaxed fit balance proportions beautifully.
• Hourglass Shapes – The soft fabric drapes naturally and can be styled tucked to define your waist.
• Rectangle Shapes – The oversized shape and back pleating create dimension and effortless movement.
• Inverted Triangle Shapes – The relaxed silhouette softens the overall look while maintaining a polished feel.

Remember: These are styling suggestions, not rules. The best outfit is always the one that makes you feel confident.

Fabric & Care

Fabric content: 100% Supima® Cotton

• Wash: Machine wash cold, gentle cycle
• Wash with like colors
• Dry: Tumble dry low, remove promptly
• Iron: Low iron if needed, or dry clean

Styling Ideas

• Pair with jeans and sneakers for elevated everyday style
• Layer over a graphic tee for a chic casual outfit
• Wear with trousers for a professional office look
• Style open as a lightweight layering piece
• Complete the look with Love Marlow jewelry and accessories

Model Info

Stacey

• Height: 5'4"
• Usual Size: 20, 3x
• Wearing Size: 3x

Why Shop Love Marlow

At Love Marlow, we specialize in boutique fashion designed for real women in mid and plus sizes 8–28. Every piece is thoughtfully selected for flattering fits, comfortable fabrics, and styles that help you create outfits you'll feel confident wearing.

As a women-owned boutique in Sioux Falls, South Dakota, we offer personalized styling, exceptional customer service, and fashion-forward pieces you won't find everywhere else.

Whether you're shopping online or visiting us in store, we're here to make finding clothes you love easier.

Looking For More Boutique Tops?

Shop more elevated basics, boutique blouses, workwear styles, and layering pieces designed for everyday confidence.

Size Chart | Measurements

We understand that every body is unique, so we've provided garment measurements above to help you find your best fit. Please note that measurements are taken from a single piece, and even items in the same size may vary slightly.

Need extra help? Connect with us via chat! We love helping you find styles that fit and flatter at Love Marlow — your Sioux Falls, SD mid-size and plus-size boutique.