SPANX SPANXsmooth Undie-tectable Brief - Comfortable Core Control - Invisible Shapewear Underwear - No Visible Panty Lines
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FREE refund/replacement until Jan 31, 2026
To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.
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Availability:
Only 5 left in stock, order soon!
Arrives
Tuesday, Jan 27
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Size: X-Small
Color: Soft Nude
Package Dimensions : 7.45 x 5.44 x 1.47 inches; 1.44 ounces
Item model number : SP0215
Department : womens
Date First Available : August 8, 2005
Manufacturer : SPANX
Best Sellers Rank: #89,782 in Clothing, Shoes & Jewelry (See Top 100 in Clothing, Shoes & Jewelry) #350 in Women's Shapewear Control Panties #392 in Women's Briefs
#350 in Women's Shapewear Control Panties:
#392 in Women's Briefs:
Customer Reviews: 3.8 3.8 out of 5 stars (1,122)
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Tuesday, Jan 27
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Top Amazon Reviews
Size: Medium
Color: Soft Nude
Love the fit, comfortable, smoothing with slight compression. Recommending to all my friends!
Reviewed in the United States on December 4, 2025 by Ann Mcnichols
Size: Medium
Color: Very Black
As someone who frequently wears form-fitting clothing, finding the right undergarments that provide a smooth silhouette is always a priority. The SPANX Undie-tectable® Brief has quickly become my go-to choice, and I can't recommend it enough! From the moment I slipped these panties on, I was impressed by the level of tummy control they offer. The high-waisted design provides excellent core support, smoothing out any bumps or bulges, ensuring a flattering shape under even the most clingy fabrics. But what truly sets these briefs apart is their seamless construction. The rear area is completely smooth, eliminating any unsightly panty lines or indentations. This feature is an absolute game-changer for those of us who want to rock figure-hugging dresses or skirts with confidence. Despite their firm compression, the SPANX Undie-tectable® Brief remains surprisingly comfortable. The breathable fabric and well-designed waistband prevent any uncomfortable digging or pinching, allowing you to wear them all day without discomfort. In terms of fit, these panties run true to size, and the wide range of size options ensures that everyone can find their perfect match. I appreciate the attention to detail in the sizing, as it contributes to the overall streamlined look and feel. Whether you're dressing up for a special occasion or simply want to feel confident and supported in your everyday activities, the SPANX Undie-tectable® Brief is an investment worth making. They not only enhance your outward appearance but also provide the confidence boost that comes from feeling great in your own skin.
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Reviewed in the United States on May 28, 2024 by Victoria Givens
Size: Small
Color: Soft Nude
I'm slender, 5'6 and 117 pounds, but I've had two kids so I don't have a flat stomach anymore and I have butt cellulite, the latter being what I bought these for. I didn't want the dimples in my behind showing through my satin skirt or a pair of trousers I have. I will say that once on, these made everything look smooth and what I was hoping for. But they don't stay in place AT ALL, and in fact, created rolls I don't have, like a big muffin top below my 28 inch waist. And hip dips. The worst part was the bulge they created on my right butt cheek when they rode up. I went to the bathroom to pull them back down but as soon as I sat down, there went that right side again. I felt so self conscious. I actually think my body would have looked better without the Spanx. A little cellulite is preferable over a muffin top and a right butt cheek with a big old crater that wasn't there before. Unfortunately I can't send these back because I wore them. You really cannot tell what a pair of Spanx is going to do until you walk around in them for a few hours unfortunately. I'm back to searching for something else I can wear under my clothes to smooth my butt and based on the reviews I'm seeing, I'm not finding anything that doesn't create rolls, show through clothes, or cause misery, etc.
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Reviewed in the United States on May 9, 2022 by Happy Customer
Size: Large
Color: Soft Nude
The fabric feels strange like paper. It even sounds like paper when you put it on. It stretches into this weird magical, stretchy material by or beware, it does roll down, and I sized up for reference. I'm 5 foot 2 I have a long torso. My weight is 168, my waist size is 35 inches and i purchased the large. The fit was good, yet it still managed to roll down very annoying.
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Reviewed in the United States on June 24, 2025 by Laura.Layla.Arredondo
Size: X-Large
Color: Cafe Au Lait
runs large
Reviewed in the United States on December 17, 2025 by Faith M. Mahaney
Size: Small
Color: Cafe Au Lait
Simply the best underwear I’ve ever worn. The tummy support is awesome, it’s as this as skin. You can feel it. It’s nice and snug. I purchased one to try and after I was wearing it for a day I purchased 5 more. They’re very pricey but worth every penny. I put it in the washing machine but decided to hang them to dry. I think they would last longer that way. Just my opinion.
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Reviewed in the United States on September 2, 2025 by Sara West
Size: Large
Color: Moroccan Red
Had these for 4 months and they are already falling apart at the seams. These are extremely comfortable but do not offer much support. There are no lines and no muffin top which is why I’ve bought these twice. The only bad thing is there is glue that hold the seams together and it doesn’t hold past 4 months. For the price it should last much longer.
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Reviewed in the United States on November 24, 2025 by JUJ
Size: Large
Color: Powder
Great fit and very comfortable
Reviewed in the United States on November 18, 2025 by Amy Miller