The Best Shapewear Underwear of 2025: Top Picks for Smoothing, Shaping, and All-Day Comfort

Let’s be honest: finding underwear that offers a flawless fit and actually enhances your shape can feel impossible. Tugging, rolling, and digging? No, thanks. Whether you’re wearing a sleek dress or your favorite jeans, you deserve undergarments that make you feel confident, not constricted.

That’s where shapewear underwear comes in. The right shaping underwear smooths, shapes, and supports without compromising on comfort. It’s a game-changer for women who want a sculpted silhouette with zero fuss.

In this guide, we’ll break down what shapewear underwear is, the key benefits to look for, and our top three picks for the best shapewear underwear of 2025—each designed to match your compression preference, from subtle smoothing to powerful sculpting.

What Is Shapewear Underwear?

Shapewear underwear combines the everyday comfort of regular underwear with the contouring benefits of shapewear. Designed to smooth, shape, and support areas like the tummy, hips, and butt, it offers a seamless base under clothes. Whether you need gentle smoothing or strong sculpting, there’s a level of compression and style made for you.

3 Benefits of Shapewear Underwear

From smoothing bulges to boosting confidence, shapewear underwear has become a staple for women everywhere. Here’s why:

1. Invisible Under Clothing

Thanks to seamless designs, laser-cut edges, and lightweight fabrics, today’s shapewear underwear is undetectable—even under your most form-fitting outfits. No VPL (visible panty lines) here.

2. Tummy Smoothing and Core Support

Most shapewear underwear is designed with targeted compression to smooth the tummy and support your core, giving you a flatter, firmer appearance instantly.

3. Booty-Lifting and Body Contouring

Strategically placed compression zones and shaping panels help lift the booty and contour your curves, so your natural shape is enhanced—not hidden.

3 Best Shapewear Underwear Pieces from SPANX

No matter your shaping needs, SPANX has you covered with lightweight, breathable, and beautifully engineered underwear shapewear.

SPANX® Supersmooth Undie-tectable® Thong

For light compression and barely-there comfort, the SPANX®supersmooth Undie-tectable® Thong is the go-to shapewear underwear choice. It features a dig-free waistband, lightweight smoothing, and a completely invisible look under clothing. Ideal for everyday wear when you want subtle shaping and zero panty lines.

SPANX®shape Extraordinary Everyday Brief

This mid-compression style delivers next-level shaping while staying breathable and wearable all day long. The SPANX®shape Extraordinary Everyday Brief targets the tummy and hips with smoothing tech that flatters without flattening. Perfect for days when you want more definition without feeling restricted.

SPANX®sculpt Seamless Power High-Waisted Thong

For maximum control and sculpting, reach for the SPANX®sculpt Seamless Power High-Waisted Thong. This high-rise powerhouse is engineered with zoned compression to cinch the waist, smooth the tummy, and disappear under clothing—all without sacrificing comfort.

Frequently Asked Questions

What is the best shapewear underwear for everyday wear?

The SPANX®supersmooth Undie-tectable® Thong offers lightweight smoothing, breathability, and invisible comfort—making it the best shapewear underwear for daily outfits, from jeans to bodycon dresses.

Can shapewear underwear replace regular underwear?

Yes! Options like the SPANX®shape Extraordinary Everyday Brief combine shaping and comfort, letting you skip layering and simplify your wardrobe.

What’s the strongest compression shapewear underwear at SPANX?

If you’re looking for firm, sculpting control, the SPANX®sculpt Seamless Power High-Waisted Thong delivers next-level shaping with high compression to define your waist and smooth everything down.

Conclusion

The best shapewear underwear does more than shape—it supports your confidence, all day long. Whether you prefer a whisper of smoothing or a firm sculpting fit, SPANX has a range of compression levels and silhouettes to meet your needs.

Ready to feel your best from the inside out? Shop shaping underwear now.