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55

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

Great21%

top-5 click share — an open shelf

Quality gap

Great4.1★

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

Good68%

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

Bad5,063.72

avg incumbent reviews — the moat a new listing must climb

Returns

Bad5.4%

return rate — above 5% kills the launch gate

Conversion

Bad1.3%

search→purchase rate — share of searches ending in a sale

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

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 '26SepDecMarJunAugNovMarMay

Peak months: Apr, May · busiest ÷ quietest = 3.2×

Top spanx thong search terms

  • tummy control thongs for women109K/yr
  • spanx thong64K/yr
  • tummy control underwear thong22K/yr
  • tummy control thongs34K/yr
  • thong spanx25K/yr
  • spanx thong tummy control33K/yr
  • tummy control thong underwear14K/yr
  • compression thong20K/yr
  • compression thongs for women15K/yr
  • high waisted tummy control thong17K/yr
All 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 moat Market 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.

What buyers say about spanx thong

What buyers praise and complain about, mined from review topics.

What buyers love

Comfort-Overall30%

“Extremely comfortable”

Size-Overall14%

“Fit as expected”

Quality-Overall9%

“Good Quality”

Soft Feel7%

“Its soft”

Material Quality4%

“very soft material”

Shape/Style4%

“Look sexy and stylish”

Stretchability/Expandability/Elasticity3%

“Perfect stretch”

Value For Money3%

“Great value”

Advertised Vs Actual Product2%

“Product delivered as advertised”

Breathability2%

“Super soft and breathable”

What buyers complain about

Size-Overall20%

“Horrible fit”

Comfort-Overall7%

“I do not like the thought of wearing them for an extended period”

Material Quality7%

“not comfy material”

Quality-Overall4%

“Garbage”

Thickness4%

“If you dont mind the thick plastic material then this might be ok with you”

Shape/Style3%

“Not the right cut for me”

Stretchability/Expandability/Elasticity3%

“not very stretchy due to the shapewear aspect”

Durability3%

“Not durable”

Waist Fit3%

“Too short on the waist for me”

Transparency2%

“It is sheer/see thru”

Top return reasons

Size-Overall52%
Waist Fit12%
Material Quality6%
Advertised Vs Actual Product4%
Length3%
Compression3%
Comfort-Overall2%
Shape/Style2%
Hip Fit2%
Functionality-Overall2%

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.