---
title: "Spanx Thong — $109K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/clothing-shoes-jewelry/spanx-thong"
last_updated: "2026-08-10T06:40:44.686Z"
locale: en
meta:
description: "Niche score 55/100 · $109K/yr market · 458K searches/yr · $18.73 avg price. Weak search conversion (1.3%) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 55/100 · $109K/yr market · 458K searches/yr · $18.73 avg price. Weak search conversion (1.3%) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Spanx Thong — $109K/yr Amazon US Niche (2026) - Flapen"
---
# **spanx thong**
**Worth a look**
Shows a fragmented shelf (top 5 take 21% of clicks), but weak search conversion (1.3%) keeps it on the watch list.
Market size 26Growth 54Conversion 16Competition 94Returns 24Price range 84Avg price 84Brand share 61Review moat 24Quality gap 89
**Competition**
**Great****21%**
top-5 click share — an open shelf
**Quality gap**
**Great****4.1★**
avg incumbent rating — lower means beatable quality
**Avg price**
**Great****$18.73**
avg listing price — sweet spot $15–$100
**Price range**
**Great****$6.52–$69.68**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Brand share**
**Good****68%**
top-5 brand share — brands hold most of the demand
**Growth**
**Good****+26.2%**
90-day search growth — must beat 0% to launch
**Market size**
**Okay****$109K**
$109K/yr · 458K searches
**Review moat**
**Bad****5,063.72**
avg incumbent reviews — the moat a new listing must climb
**Returns**
**Bad****5.4%**
return rate — above 5% kills the launch gate
**Conversion**
**Bad****1.3%**
search→purchase rate — share of searches ending in a sale
**Signals**[** High Returns**](https://flapen.com/research/niches?market=us&signal=high_returns "Return rate > 5%")
According to Flapen's Amazon United States niche tracking, spanx thong is a $109K/yr Amazon United States market (458K searches/yr). The top 5 brands hold 68% of demand. Demand peaks in Apr–May. Verdict: Worth a look — 55/100.
Data updated Jul 13, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **spanx thong market data**
- **Units sold / yr**
- **6K–8K**
- avg 0–100/product
- **Revenue / yr**
- **$112K–$150K**
- units × avg price
- **Conversion rate**
- **1.3%**
- **Avg BSR**
- **#205**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **98%**
- **Out of stock**
- **7.8%**
- **Avg brand age**
- **36 months**
- **Avg seller age**
- **158 days**
## **Competition & brand share**
Clicks spread well past the top 5 (21% combined) — an open shelf where new products get seen.
**Brands**
**25 **▼falling
**Sellers**
**53**
**Top-5 brand share**
**68%**
Top 20: 98%
**Top-5 click share**
**21%**
Top 20: 55%
**Open market**
**26%**
- SPANX26% - Werena16% - SIMIYA15% - FINETOO6% - GRANKEE6% - Dulchany5%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +26.2% search growth over the last 90 days.
35K25KHoliday '24Spike '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Apr, May · busiest ÷ quietest = 3.2×
[**Open Trend **](https://flapen.com/research/us/clothing-shoes-jewelry/spanx-thong/trend)
## **Top spanx thong search terms**
- **tummy control thongs for women**109K/yr-3.7%0.9% conv. - **spanx thong**64K/yr+51.0%2.3% conv. - **tummy control underwear thong**22K/yr+81.4%1.2% conv. - **tummy control thongs**34K/yr+14.0%0.7% conv. - **thong spanx**25K/yr+63.2%2.4% conv. - **spanx thong tummy control**33K/yr+17.0%1.8% conv. - **tummy control thong underwear**14K/yr+177.4%1.0% conv. - **compression thong**20K/yr-2.4%0.5% conv. - **compression thongs for women**15K/yr+28.5%0.8% conv. - **high waisted tummy control thong**17K/yr+9.8%0.4% conv. [**All search terms **](https://flapen.com/research/us/clothing-shoes-jewelry/spanx-thong/search-terms)
## **Top spanx thong products on Amazon**
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
0%2%$2K4%$4K6%$7K8%$9K1101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 24 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Werena Tummy Control Thong Shapewear for Women Seamless Shaping Novelty Thong Panties Body Shaper Underwear(01# Beige-mid Waisted(has Boning) Medium)**Werena**$14.63**4.3★1,208 rev](https://www.amazon.com/dp/B0FMY3KVDG) [2**SPANX SPANXshape Everyday Shaping Thong - Core Control Shapewear Underwear - Invisible Under Clothes - Seamless Design - Naked 3.0 - Small**SPANX**$25.74**4.0★4,313 rev](https://www.amazon.com/dp/B09KYG9ZT1) [3**sosusu Seamless Underwear for Women Cotton Thongs High Waisted Soft Breathable No Show Panties Invisible Stretch 6 Pack (US Alpha Medium Regular Regular A-6 Color Packs)**sosusu**$9.95**4.3★728 rev](https://www.amazon.com/dp/B0FH92JNVW) [4**SIMIYA Thong**SIMIYA**$11.43**3.7★3 rev](https://www.amazon.com/dp/B0GJZ6GM61) [5**Dulchany Thong Shapewear Tummy Control Underwear For Women Seamless Body Shaper Panties**Dulchany**$9.85**4.1★1,507 rev](https://www.amazon.com/dp/B0DCJRZ7W5)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**SIMIYA Thong Shapewear Tummy Control for Women High Waist Stay-Put**SIMIYA**$12.95**5 rev2mo ago](https://www.amazon.com/dp/B0GY6YPJC3) [**SIMIYA Stay Put Body Shaper Stomach Compression Shapewear Thong**SIMIYA**$12.61**13 rev3mo ago](https://www.amazon.com/dp/B0GVCBNCJZ) [**SIMIYA Thong**SIMIYA**$11.43**3 rev5mo ago](https://www.amazon.com/dp/B0GJZ6GM61) [**Werena Tummy Control Thong Shapewear for Women Seamless Shaping Novelty Thong Panties Body Shaper Underwear(01# Black-mid Waisted(has Boning) Small)**Werena**$14.71**1,208 rev9mo ago](https://www.amazon.com/dp/B0FQCGJ75V) [**Werena Tummy Control Thong Shapewear for Women Seamless Shaping Novelty Thong Panties Body Shaper Underwear(01# Beige-mid Waisted(has Boning) Medium)**Werena**$14.63**1,208 rev10mo ago](https://www.amazon.com/dp/B0FMY3KVDG)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**SIMIYA Stay Put Body Shaper Stomach Compression Shapewear Thong**SIMIYA**$12.61**4.0★**▲ 42%**](https://www.amazon.com/dp/B0GVCBNCJZ) [**SIMIYA Thong Shapewear Tummy Control for Women High Waist Stay-Put**SIMIYA**$12.95**3.6★**▲ 42%**](https://www.amazon.com/dp/B0GY6YPJC3) [**Werena Tummy Control Thong Shapewear for Women Seamless Shaping Novelty Thong Panties Body Shaper Underwear(01# Beige-mid Waisted(has Boning) Medium)**Werena**$14.63**4.3★**▲ 35%**](https://www.amazon.com/dp/B0FMY3KVDG) [**SPANX SPANXshape ExtraOrdinary Thong - Sculpting with Compression - Womens Shapewear Underwear - Recycled Nylon Fabric Blend - Toasted Oatmeal - Medium**SPANX**$26.21**3.8★**▲ 29%**](https://www.amazon.com/dp/B0B23ZF5ZZ) [**SIMIYA Thong**SIMIYA**$11.43**3.7★**▲ 27%**](https://www.amazon.com/dp/B0GJZ6GM61)
**~~View all trending →~~**
## **What buyers say about spanx thong**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Comfort-Overall**30%
*“Extremely comfortable”*
**Size-Overall**14%
*“Fit as expected”*
**Quality-Overall**9%
*“Good Quality”*
**Soft Feel**7%
*“Its soft”*
**Material Quality**4%
*“very soft material”*
**Shape/Style**4%
*“Look sexy and stylish”*
**Stretchability/Expandability/Elasticity**3%
*“Perfect stretch”*
**Value For Money**3%
*“Great value”*
**Advertised Vs Actual Product**2%
*“Product delivered as advertised”*
**Breathability**2%
*“Super soft and breathable”*
### **What buyers complain about **
**Size-Overall**20%
*“Horrible fit”*
**Comfort-Overall**7%
*“I do not like the thought of wearing them for an extended period”*
**Material Quality**7%
*“not comfy material”*
**Quality-Overall**4%
*“Garbage”*
**Thickness**4%
*“If you dont mind the thick plastic material then this might be ok with you”*
**Shape/Style**3%
*“Not the right cut for me”*
**Stretchability/Expandability/Elasticity**3%
*“not very stretchy due to the shapewear aspect”*
**Durability**3%
*“Not durable”*
**Waist Fit**3%
*“Too short on the waist for me”*
**Transparency**2%
*“It is sheer/see thru”*
### **Top return reasons **
**Size-Overall**52%
**Waist Fit**12%
**Material Quality**6%
**Advertised Vs Actual Product**4%
**Length**3%
**Compression**3%
**Comfort-Overall**2%
**Shape/Style**2%
**Hip Fit**2%
**Functionality-Overall**2%
## **Common questions**
- **Is spanx thong profitable to sell on Amazon United States?**
- The niche generates $109K/yr across 86 tracked products. 11 of 29 products launched in the last 360 days are still selling. 90-day search growth is +26.2%. Flapen's verdict: Worth a look (55/100).
- **How competitive is the spanx thong niche?**
- 25 brands and 53 sellers compete. The top 5 products take 21% of clicks and top 5 brands hold 68% of demand.
- **What do buyers complain about in spanx thong?**
- Top complaints mined from reviews: Size-Overall, Comfort-Overall, Material Quality. The return rate is 5.4% — above our launch gate.
- **When does demand for spanx thong peak?**
- Demand peaks in Apr–May; the busiest month runs 3.2× the quietest.
- **What does it cost to enter the spanx thong niche?**
- Listings span $6.52–$69.68; the average listing price is $18.73 (sweet spot $15–$100). The average incumbent carries 5,064 reviews — the moat a new listing must climb.
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