Brands / SPANX® / Clothing / Dresses / SPANX® SPANXShape BoostUp Strappy Back Dress
SPANX® SPANX® SPANXShape BoostUp Strappy Back Dress
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SPANX® SPANXShape BoostUp Strappy Back Dress

SPANX®

$138.00

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📦 Shipping Information:

Free U.S. standard shipping and free returns from Nordstrom. Sold and fulfilled by Nordstrom, with current pricing, availability, and estimated delivery confirmed at checkout. shipping and returns information

Product Insights & Style Tips

SPANX Shape BoostUp Strappy Back Dress channels sporty-luxe with a mini silhouette that feels light, confident, and ready for real life. The breathable performance fabric wicks moisture and dries quickly, so it stays fresh from day to night. The 64% nylon, 36% elastane knit offers a smooth, sculpted hold, while targeted shaping and a sweetheart neckline with a strappy back keep the line sleek and modern.

Slip it on over the head for instant ease. The silhouette skims where you want it and relaxes where you move. Drop-in pockets add casual utility, while built-in pocket-popped shorts keep coverage intact as you stride. At 34 1/2 inches, the hem sits just above the knee for a lively mini vibe, and the lining ensures a clean, smooth drape.

This piece sits at the crossroads of athleisure and party dressing, a hallmark of SPANX Shape that merges light shaping with ready-to-wear ease. It teams with chunky sneakers for citycool, or with strappy heels and a tailored jacket for evening, keeping the mood polished and current.

Materials / Fabrication

  • Breathable performance fabric designed to wick moisture and dry quickly
  • Lined
  • Lining: 64 percent nylon, 36 percent elastane
  • Drop-in pockets
  • Built-in pocket-popped shorts
  • Sweetheart neck
  • Slips on over head
  • Length: 34 1/2 in / 87 cm
  • Imported

Recommended Care

  • Machine wash cold on a gentle cycle with like colors
  • Tumble dry low or line dry to protect elasticity
  • Avoid chlorine bleach and fabric softeners
  • Do not iron; if needed, use a cool steam or iron with a pressing cloth
  • Remove promptly from washer to minimize wrinkles

Fit Notes

  • Slips on over head for easy wear and a clean line.
  • Built-in pocket-popped shorts and drop-in pockets offer practical storage without adding bulk to the silhouette.
  • 34 1/2 inch length delivers a sporty mini silhouette with targeted shaping from a nylon and elastane fabric.
SPANX® SPANX® SPANXShape BoostUp Strappy Back Dress

Styling Tips

  • Pair it with mules to balance the mini length and highlight the strappy back.
  • Carry a mini bag to highlight the pocket detail.
  • Add sunglasses for a crisp, sun-ready finish.

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About SPANX®

Spanx is a U.S.-based shapewear and apparel brand launched in 2000 by Sara Blakely. From its bathroom-table origins in Atlanta, Spanx popularized body-sculpting foundations and expanded into a broader, ready-to-wear line. Today the brand offers a full spectrum of womenswear and intimates, including signature shapewear, leggings, denim, activewear, dresses, and lounge pieces built to smooth, support, and move with you. The DNA remains practical, comfortable design that disappears under clothes while delivering a confidence-boosting silhouette. For shoppers browsing for versatile staples and elevated basics, Spanx blends function with fashion, offering pieces that transition from workwear to weekend wear without compromising comfort or shape.