SPANX® Poplin Oversized Button-Up Shirt – Timeless Navy & White
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💃 Plus-Size Friendly ✨ Effortlessly Chic 🖤 Closet Staple 💼 Workwear Ready
Designed for real curves, real comfort, and effortless style in sizes M–3x.
Meet the button-up shirt your wardrobe has been waiting for. The SPANX® Poplin Oversized Button-Up Shirt in Timeless Navy & Classic White gives the timeless button-down a polished upgrade with premium Supima® cotton, a relaxed oversized fit, and thoughtful details designed for comfort and confidence.
Featuring a high-low shirttail hem for added coverage and a pleated back detail for a beautiful drape, this elevated wardrobe essential can be worn tucked, untucked, layered, or styled open. Lightweight yet durable, it’s the perfect year-round piece for creating effortless outfits.
Why You’ll Love It
- ✨ Premium Supima® cotton feels soft, smooth, and elevated
- 🤍 Timeless navy and white color combination pairs with everything
- 👚 Oversized silhouette provides comfortable movement and easy layering
- 💼 Perfect for work, travel, weekends, and everyday wear
- 🌿 Lightweight yet durable fabric makes it ideal year-round
- 🖤 High-low shirttail hem provides flattering coverage
- ✨ Pleated back detail creates a polished, effortless drape
- 👖 Pairs perfectly with Judy Blue denim, SPANX® pants, skirts, and layers
Fit & Feel
- Oversized, relaxed fit
- Designed to be worn comfortably loose
- High-low shirttail hem
- Button-front closure
- Classic collar
- Long sleeves with button cuffs
- Lightweight woven fabric
- Non-stretch fabric
- Layering-friendly
- Available in sizes M–3X
- If between sizes, stay true to size for the intended oversized look or size down for a more fitted silhouette
Who It’s Great For
This style is especially flattering for:
❤️ Apple Shapes – The relaxed oversized fit and high-low hem provide comfortable coverage while creating an effortless, elongated look.
🍐 Pear Shapes – The structured collar and shoulder details draw attention upward while the flowy silhouette skims comfortably over the hips.
⏳ Hourglass Shapes – The lightweight fabric drapes beautifully and can be styled tucked or untucked to highlight your natural shape.
⬛ Rectangle Shapes – The oversized silhouette, pleated back detail, and layering options add dimension and create a polished look.
🔻 Inverted Triangle Shapes – The relaxed fit balances the silhouette while maintaining a clean, elevated style.
Remember: These are styling suggestions, not rules. The best outfit is always the one that makes you feel confident. ❤️
Fabric & Care
- 100% Supima® Cotton
Care:
- Machine wash cold
- Gentle cycle
- Wash with like colors
- Only non-chlorine bleach when needed
- Tumble dry low
- Remove promptly
- Low iron if needed
- Or dry clean
Styling Ideas
- Pair with Judy Blue jeans and loafers for a timeless elevated casual look.
- Wear open over a fitted tee or tank for effortless layering.
- Tuck into trousers for a polished office-ready outfit.
- Style with SPANX® pants for a sleek, professional look.
- Add gold jewelry and a structured handbag for a complete boutique outfit.
Model Info
Leslie
- Height: 5'5"
- Usual Size: 18, 2x-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. We carefully curate pieces that combine comfort, style, and confidence—from everyday essentials to elevated wardrobe staples.
Shop online nationwide or visit our Sioux Falls boutique for personalized styling and pieces that help you create complete outfits you'll love wearing.
Looking For More Boutique Tops?
Explore our collection of boutique blouses, elevated basics, workwear favorites, and everyday tops designed for women in mid and plus sizes. Complete your outfit with Judy Blue denim, SPANX®, jewelry, handbags, and accessories from Love Marlow.
Size Chart | Measurements
| SIZE | SIZE | BUST | WAIST | HIPS |
|---|---|---|---|---|
| XS | 0-2 | 32-34 | 25-27 | 34-36 |
| S | 4-6 | 34-36 | 27-29 | 36-38 |
| M | 8-10 | 36-38 | 29-31 | 38-40 |
| L | 12-14 | 38-40.5 | 31-33.5 | 40-42.5 |
| XL | 16 | 40.5-43 | 33.5-36 | 42.5-45 |
| 1X | 18-20 | 43-46 | 36-39 | 45-48 |
| 2X | 22-24 | 46-49 | 39-42 | 48-51 |
| 3X | 26 | 49-52 | 42-45 | 51-54 |
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.
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Every product is measured
At Love Marlow, we believe that the perfect fit starts with precision, which is why we carefully measure each style in our collection by hand.
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In the Size Chart | Measurement Section of each Product Description, you'll find detailed measurements for that specific item, giving you a better understanding of how it will fit your shape.