Do these provide firm control on the stomach?

It is a light control only. smoothing rather than shaping.

Are they truly from the brand Spanx?

Yes they are, and they are marvellous under tight jeans X

I'm a small size 12, what size should I buy?

Hello Carmen, Thank you for your message. For a size 12, I would recommend a Medium in this style

Are these seamless and can they be worn with a low back dress?

They are seamless, it would though depend on how low the backless dress is...they are designed to be high waisted.

Spanx Womens Thong Shapewear Underwear

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A$73

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Description

✨ Shape your day, own your look 💃

EFFORTLESS FIT - Medium stretch nylon-spandex blend adapts perfectly to your curves for a flawless silhouette
ALL DAY CONFIDENCE - Light targeted shaping for tummy & bottom that lasts from AM to PM
COMFORT REVOLUTION - Soft, elastic-free waistband with no-slip strip means no digging, pinching, or rolling
INVISIBLE UNDERNEATH - Thong design ensures zero visible panty lines—wear your sleekest outfits fearlessly
WOMEN FIRST INNOVATION - Crafted by Spanx, a brand obsessed with comfort and empowering women to look and feel unstoppable

The Spanx Womens Undie-tectable Brief Thong in Soft Nude offers firm Level 2 shaping with a seamless thong design that eliminates visible panty lines. Featuring a soft, elastic-free waistband with a no-slip strip, it delivers all-day comfort and targeted tummy and bottom control. Made from a lightweight, medium-stretch nylon and spandex blend, this high-rise thong is designed for everyday wear, combining innovative comfort with discreet shaping technology.

Specifications

ASIN	B00QGFTWU2
ASIN	B0HL9C4VY5
Age Range Description	Adult
Apparel Fabric Stretch	Medium Stretch
Apparel Fabric Weight Class	Lightweight
Best Sellers Rank	66,187 in Fashion ( See Top 100 in Fashion ) 127 in Women's Control Knickers
Bottom Style	Thongs
Brand Name	Spanx
Colour	Soft Nude
Country Of Origin	Colombia
Customer Reviews	4.0 4.0 out of 5 stars (2,418)
Customer reviews	4.0 4.0 out of 5 stars (2,418)
Date First Available	28 Sept. 2026
Department	Women's
Fabric Type	90% Nylon, 10% Spandex/Elastane
Fit Type	42
Fit to Size Sentiment	Positive
Garment Size Country	Great Britain
Global Trade Identification Number	00843953275169
Import Designation	Imported
Item Type Name	Thong
Item Weight	51 Grams
Item model number	SS0815
Manufacturer	SPANX
Manufacturer	SPANX
Manufacturer Part Number	SS0815
Material Type	Nylon
Model Number	SS0815
Number of Items	1
Pattern	Solid
Product Care Instructions	Machine wash cold, gentle cycle. Use non-chlorine bleach when need. Lay flat to dry. Do not Iron.
Rise Style	High
Season and Collection Year	Spring -2,000
Size	L
Special Features	Seamless
Style Name	Thong
UPC	843953275169
Unit Count	1.0 count

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TrustScore 4.5 | 7,300+ reviews

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A$73

Duties & taxes included

In stock

Sold byAmazon AustraliaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Australia.

Secure transaction

ProDesertcart PRO

Fast, free shipping, member pricing & priority support.

Join PRO →

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Ayesha M.

The product exactly matches the description. Very satisfied with my purchase.

5 days ago

Vikram D.

The MOLLE sheath is of exceptional quality. Very happy with my purchase.

2 weeks ago

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Spanx Women's Thong Shapewear Underwear

Description

Specifications

Common Questions