Spanx
Undie-Tectable Lace Support Bikini Panty
This Spanx Undie-Tectable Lace Support Bikini Panty is a seamless shaping bikini brief designed for everyday light slimming support and invisible wear under fitted clothing. It features an elastic-free edge construction, a wide high-rise opaque microfiber waistband, a sheer mesh front panel, and scalloped floral lace side panels with a cotton gusset. The rear view shows a sheer lace body with a center seam and partial coverage, and the panty is crafted from ultra-silky microfiber for comfort.
Color
Specifications
- Material
- Body: 77% nylon, 23% elastane; Lace: 83% nylon, 17% elastane; Gusset: 100% cotton
- Gender
- female
- Age Group
- adult
- Condition
- new
Product Insights
Spanx's Undie-Tectable Lace Support Bikini Panty delivers invisible smoothing through a bonded waistband and elastic-free edges that eliminate panty lines and muffin top, with light compression for the front tummy. The lace update transformed it from purely functional to fashion-forward, but requires cold water washing and flat drying to preserve materials, and compression loosens at larger sizes so hip fit may require sizing up for a smooth line.
Verified claims
- Cotton gusset
- Cotton gusset helps prevent yeast infections and moisture irritation per ACOG
- Care
- Hand wash in cold water (30°C max) or machine wash cold on a gentle cycle, then flat dry to preserve elasticity and shape; avoid bleach, fabric softeners, and the dryer.
- Bonded waistband
- Bonded waistband lies flat and distributes pressure to reduce panty-line ridges and muffin top.
- Invisible heritage
- Undie-tectable line offers invisible smoothing beyond just panty lines.
- Invisible under clothes
- Elastic-free edges and bonded waistband eliminate panty lines under clingy clothes.
- Invisibility
- Invisible under leggings and bodycon thanks to bonded edges; very thin fabrics may show texture.
- Mission heritage
- Bonded waistband and light compression deliver Spanx's founding invisible promise.
- Design evolution
- AW15 lace and color update transformed the panty from purely invisible to fashion-forward.
- Line classification
- SPANXsmooth family with built-in smoothing, not Fit-to-You non-shaping.
- Compression
- Provides Level 2 (SPANXsupersmooth) light compression—much lighter than OnCore's Level 4 sculpt—and smooths the front tummy without cinching the waist or lifting the butt.
- Sizing
- Compression loosens at larger sizes; hip fit may require sizing up for smooth line.
- Invisible construction
- Bonded waistband eliminates ridges; cotton gusset adds breathability and prevents irritation.
- Material
- Lace is 83% nylon/17% elastane for stretch that conforms without sagging; gusset is 100% unblended cotton for breathability.
- Waistband design
- The bonded wide waistband lies flat and is designed to stay in place, though some wearers experience rolling or riding up if the size is too small.
- Cotton gusset absorbency
- The 100% cotton gusset can absorb up to 25 times its own weight in water, pulling moisture away from skin during long wear.
- Waistband rise
- The waistband sits just below the navel, making it one of the few shapewear panties that works seamlessly under cropped tops and low-rise jeans.
Product record
- Title
- Undie-Tectable Lace Support Bikini Panty
- Brand
- Spanx
- Price
- 38 CAD
- Availability
- In stock
Buying Guide
1 comparison · 12 sourcesUses
A no-show layer under tight dresses and pants
This bikini panty is meant for outfits where panty lines would show — think tight dresses, pale pants, or jeans with cropped tops. Reviewers describe the seamless, elastic-free-edged design as lying flat and staying invisible under fitted clothing. Note that the high-cut leg may peek out at the hips with low-rise jeans or hip-hugging bottoms, so it is not fully no-show with every pant style.[1,3,4,5]
Gentle tummy smoothing under everyday clothes
For days when you want a softly smoothed tummy rather than firm shaping, this bikini panty offers light compression that customers say smooths a little bulge or a post-baby belly without digging in or flattening. Its elastic-free edges mean no visible panty lines under fitted clothing. Note that the control is light by design, so shoppers wanting a cinched-in or waist-training effect say it feels too mild.[3,4,5]
Date-night lingerie with a shaping base
With its lace detailing and flirty styling, this bikini panty is worn as a sexy staple for date night or the lingerie drawer rather than a purely utilitarian underlayer. Reviewers describe it as sexy and cute while still being comfortable, with light sculpting support rather than heavy compression. Note that the sheer lace offers partial coverage, with skin visible through the mesh panels.[3,4,5,6]
Comfortable, line-free everyday wear
Made for days when you want smoothing and no visible panty lines under fitted clothes, with a soft microfibre that offers a next-to-nothing feel. Keep in mind that some customers report the back rides up during all-day wear with moderate activity, and the lace band may roll or shift during active use, so occasional adjustment may be needed.[2,3,5]
Product comparison
Compared within this brand.
| Undie-Tectable Lace Support Bikini Panty: Choose this if you want a no-show panty for under tight dresses or pale pants — its elastic-free edges and bonded waistband keep the look free of panty lines — while still getting gentle, light tummy smoothing rather than firm compression, plus a soft lace design many wearers treat as a lingerie-worthy staple. Note that many customers say it runs extremely small with a low-stretch waistband, so sizing up at least one size may be needed, and it can peek out at the hips under low-rise jeans.[1,3,5] | Undie-Tectable Support Bikini Panty Nylon: Choose this if you want everyday light support that stays hidden under thin or tight clothing: reviewers report no panty lines thanks to the laser-cut edges and thin fabric, and the mesh gives light tummy control that smooths without feeling restrictive, with a 100% cotton gusset and a high-rise bikini cut. Note that the waistband tends to roll down during movement or long sitting, some body types—especially pear-shaped or fuller-butt figures—may still see lines at the rear, and sizing has shifted over the years, so repurchasers shouldn't assume their old size fits the same.[7,8] | High-Cut Control Thong: Choose this if you want a high-cut thong that sits high on the hip with a wide, high-rise waistband, smooth matte fabric, and clean minimal seams for everyday office or casual wear — reviewers report it looks cute under clothes and boosts confidence when the fit is right. Be aware that the narrow thong rear leaves the buttocks largely exposed, which may feel too revealing if you're new to thong styles or expecting more coverage, and some customers report the fabric rolling at the waist or bunching at the thighs, sometimes despite sizing down. Getting the sizing right beforehand is reported as key to a flattering, comfortable result.[9,10,11,12] |
Image Analysis
3 images- 01
Product
Front-facing high-rise bikini panty on a model showing a wide smooth upper waistband, sheer mesh lower front panel, and decorative scalloped lace panels at the hips and leg openings.
- WaistbandWide, smooth high-rise waistband that sits above the model's navel area; fabric appears opaque and seamless at the top edge.
1 region
x 0.17 · y 0.22 · w 0.65 · h 0.18 (high) - Lower front panelSemi-sheer mesh panel covering the central lower front area beneath the waistband, slightly translucent against the model's skin.
1 region
x 0.25 · y 0.38 · w 0.50 · h 0.28 (high) - Lace hip panelsDecorative floral lace panels on both hips extending to the leg openings, with an openwork pattern and scalloped edge detailing.
2 regions
x 0.02 · y 0.45 · w 0.32 · h 0.34 (high); x 0.66 · y 0.44 · w 0.32 · h 0.34 (high) - Leg opening trimScalloped lace trim runs along the leg openings, following the lace pattern and creating a slightly raised textured edge.
1 region
x 0.16 · y 0.64 · w 0.68 · h 0.18 (medium) - Center seam detailSubtle center seam at the crotch area visible as a narrow stitched line joining front panels.
1 region
x 0.42 · y 0.64 · w 0.16 · h 0.18 (medium)
Other
Cropped studio shot of a model from lower torso to upper thighs on a neutral background with soft even lighting and minimal shadows.
- Model croppingImage is cropped to show the model's mid-torso and upper thighs; the model's arms are partially visible at the edges.
1 region
x 0.00 · y 0.00 · w 1.00 · h 1.00 (high) - Background and lightingNeutral, light-colored studio background with soft, even lighting and minimal harsh shadows.
- Image qualitySharp focus on garment details and model skin; no visible text or labels in the shot.
Colors
black· waistband and upper front panel#171112sheer black· lower front mesh panel#161213black lace· lace panels and scalloped trim#140D0D- WaistbandWide, smooth high-rise waistband that sits above the model's navel area; fabric appears opaque and seamless at the top edge.
- 02
Product
High-rise black bikini panty with a smooth matte front panel and wide seamless-looking waistband; sides and leg openings feature floral-patterned sheer lace with a scalloped lower edge.
- WaistbandWide, high-rise waistband made from a smooth, opaque black fabric with a clean top edge and no visible elastic banding.
1 region
x 0.14 · y 0.10 · w 0.72 · h 0.20 (high) - Front panel materialCentral front panel of smooth, matte black fabric that is opaque and appears slightly contoured toward the crotch seam.
1 region
x 0.12 · y 0.26 · w 0.48 · h 0.46 (high) - Lace side panelSheer black floral lace on the side panels with a mesh background and a decorative scalloped lower edge that extends slightly onto the upper thigh.
1 region
x 0.46 · y 0.38 · w 0.44 · h 0.44 (high) - Leg opening trimNarrow stitched trim where the lace meets the opaque fabric, visible as a thin black seam line following the angled leg opening.
1 region
x 0.12 · y 0.56 · w 0.64 · h 0.34 (medium) - Visible seamsSubtle sewn seam lines connecting the lace panels to the opaque front and waistband, visible along the diagonal transition on the hip.
1 region
x 0.34 · y 0.36 · w 0.22 · h 0.18 (medium)
Other
Cropped studio product shot showing the model's torso and upper thighs against a neutral beige background with soft, even lighting and minimal shadows.
- Shot compositionCropped side/three-quarter view focusing on the model's midsection and upper thighs; model's right hand is visible at the image right edge.
1 region
x 0.66 · y 0.44 · w 0.30 · h 0.52 (high) - BackgroundSmooth neutral beige background with no visible props or packaging.
- Lighting and shadowSoft, diffuse studio lighting producing gentle shadows along the body contours and minimal specular highlights on the fabric.
- Skin visibleModel skin is visible around the waist, hips and upper thighs; small natural skin marks are present on the thigh.
1 region
x 0.40 · y 0.58 · w 0.30 · h 0.32 (high) - Image qualityHigh-resolution, sharp image with clear texture detail in lace and fabric.
Colors
matte black· opaque waistband and front panel#0E0D0Dblack lace· lace side panels and scalloped trim#140C0C- WaistbandWide, high-rise waistband made from a smooth, opaque black fabric with a clean top edge and no visible elastic banding.
- 03
Product
Rear view of a high-rise black lace bikini panty on a model, showing a wide matte waistband, sheer patterned lace body, central rear seam, and scalloped lace leg openings.
- Overall silhouetteRear-facing high-rise bikini panty with a wide solid waistband that sits above the hips and a sheer lace lower section that covers the buttocks.
1 region
x 0.16 · y 0.28 · w 0.68 · h 0.60 (high) - Waistband material and finishWide, smooth, solid black waistband with a matte, opaque finish and clean top edge.
1 region
x 0.18 · y 0.28 · w 0.64 · h 0.16 (high) - Lace bodySheer black mesh lace with a small repeating dotted mesh pattern across the center panels and larger floral lace motifs toward the lower side panels.
3 regions
x 0.18 · y 0.44 · w 0.64 · h 0.40 (high); x 0.18 · y 0.52 · w 0.28 · h 0.30 (high); x 0.54 · y 0.52 · w 0.28 · h 0.30 (high) - Scalloped leg openingsLower edges of the lace form scalloped trims along the leg openings with a layered floral lace border.
1 region
x 0.18 · y 0.70 · w 0.64 · h 0.20 (high) - Center seamA narrow vertical center rear seam runs from the waistband down through the lace, visible as a darker stitch line.
1 region
x 0.47 · y 0.40 · w 0.06 · h 0.36 (high) - Visible coverageSheer lace provides partial coverage of the buttocks with skin visible through the mesh panels.
1 region
x 0.26 · y 0.48 · w 0.48 · h 0.30 (high)
Other
Model rear shot in studio with neutral background; a black bra back is visible above the panty; both hands and arms are visible at image sides.
- Model and stylingPhotograph shows a model from the waist down to upper thighs from the rear; skin and body are visible and form the primary support for the garment.
1 region
x 0.00 · y 0.00 · w 1.00 · h 1.00 (low) - Additional garment visibleBlack bra band and adjustable straps are visible at the upper edge of the image above the waistband and should not be interpreted as part of the panty.
1 region
x 0.20 · y 0.02 · w 0.60 · h 0.20 (high) - Hands and armsModel's left and right arms and hands appear at the image sides, cropped at the forearm level on the left and right.
2 regions
x 0.00 · y 0.26 · w 0.20 · h 0.62 (high); x 0.80 · y 0.26 · w 0.20 · h 0.62 (high) - Background and lightingNeutral, softly lit studio background with minimal shadowing and even lighting across the garment and model skin.
Colors
matte black· waistband#1C1415sheer black· lace body and scalloped trim#1C1313- Overall silhouetteRear-facing high-rise bikini panty with a wide solid waistband that sits above the hips and a sheer lace lower section that covers the buttocks.
Variants
6 SKUs| SKU | Title | Price | Avail |
|---|---|---|---|
| 2597128 | Undie-Tectable Lace Support Bikini Panty - Black - Small | CA$38.00 | Yes |
| 2597129 | Undie-Tectable Lace Support Bikini Panty - Black - Medium | CA$38.00 | Yes |
| 2597132 | Undie-Tectable Lace Support Bikini Panty - Beige/greige - Small | CA$38.00 | Yes |
| 2597133 | Undie-Tectable Lace Support Bikini Panty - Beige/greige - Medium | CA$38.00 | Yes |
| 2597134 | Undie-Tectable Lace Support Bikini Panty - Beige/greige - Large | CA$38.00 | Yes |
| 2597135 | Undie-Tectable Lace Support Bikini Panty - Beige/greige - X-Large | CA$38.00 | Yes |
Documents & Data
Customer Reviews
42 total42 reviews · out of 5
Parfait
Parfait
Camisole
Confortable
Confortable et invisible
Parfait sous une robe moulante ou des pantalons pâles
Worth the price.
Have worn these for years - last long if you hang to dry
Bon maintien
Belle culotte flatteuse qui n’a pas l’air d’une culotte de maintien
J'aime
Parfait
Je l'adore. En plus d'être
Je l'adore. En plus d'être très féminin avec sa dentelle il offre un certain soutien très gracieux. J'espère que vous allez toujours avoir cette collection , c'est un indispensable dans notre lingerie!
Est très joli et confortable
Est très joli et confortable
Belle dentelle qui soutient
Enfin une culotte qui offre un bon soutien et qui est belle!
Partait
Partait
j'adore, assez pour en recommander
j'adore, assez pour en recommander
Light control for softer belly
Light control for softer belly type. Not primarily weight based belly, but more due to child bearing, lack of exercise and age. Comfortable to wear with feminine design. Offers light tummy control without flattening behind.
Hi rise
Hi rise
Le bikini de maintien
Enfin une belle culotte de maintien qui a du style. J’adore !
I only wear with a dress or skirt
They show with jeans, on the sides. That’s why I prefer the thong-they run higher on the leg.
bon maintien et invisible
bon maintien et invisible
Confortable
Confortable
Bikini de maintien
Enfin une culotte de maintien qui a du style.
...
...
Hi rise
Hi rise
Parfait
Parfait
Extremely small
Ordered a large and a small person could hardly get into this undie. Extremely thight.
Parfait!
Le bikini offre un maintien confortable et il est très sexy!
Very pretty support panty .I
Very pretty support panty .I like the lace detail.
No lines and great fit.
No lines and great fit.
Bien ajusté et beau à
Bien ajusté et beau à la fois
Fais très bien
Fais très bien
Qualité questionnable
N’offre pas beaucoup de soutien et est fait assez mince, je n’ai pas aimé la qualité.
Loved the sexiness of the
Loved the sexiness of the control panty. Does a good job holding wobblely parts in!
Spanx
Parfait et évite les muffins top
Modèle très jolie et féminin
Modèle très jolie et féminin qui camoufle bien le ventre. J'adore
A Wardrobe Staple
This is my second purchase of these panties. Very comfortable, and worth the price!
J'en ai plusieurs comme celui-ci,
J'en ai plusieurs comme celui-ci, c'est pour cette raison que j'en rachète toujours. J'adore!
Bien
Bien
Belle qualité!
Belle qualité!
I liked the fit and
I liked the fit and the colour
Il est parfait et en
Il est parfait et en plus je suis sexy...recommande bon support pour ventre...discret
For panties it's nothing else
For panties it's nothing else but Spanx
Belle et délicate
Le confort lié à la beauté. Pas aussi amincissant que mon ventre le souhaiterait mais un petit effet de cache-bourrelets est effectif.
Super
Super
Great choice and very comfortable
Great choice and very comfortable
These are very pretty and
These are very pretty and flattering but ride up in the back, also not completely undetectable