---
title: "Mens Thong Underwear — $29K/mo Amazon US Product Research"
canonical_url: "https://flapen.com/research/us/clothing-shoes-jewelry/mens-thong-underwear"
last_updated: "2026-08-12T10:10:19.880Z"
locale: en
meta:
description: "Amazon product research for mens thong underwear: $29K/mo market, demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
"og:description": "Amazon product research for mens thong underwear: $29K/mo market, demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
"og:title": "Mens Thong Underwear — $29K/mo Amazon US Product Research"
---
# **Mens Thong Underwear**
**Worth a look**
Shows a fragmented shelf (top 5 take 8% of clicks), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Market size 53Growth 22Conversion 5Competition 98Returns 79Price range 82Avg price 78Brand share 96Review moat 42Quality gap 75
**Competition**
**Incredible****8%**
top-5 click share — an open shelf
**Brand share**
**Incredible****32%**
top-5 brand share — no brand owns this niche
**Price range**
**Great****$4.83–$69.80**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Returns**
**Great****1.8%**
return rate — above 5% kills the launch gate
**Avg price**
**Great****$16.04**
avg listing price — sweet spot $15–$100
**Quality gap**
**Great****4.3★**
avg incumbent rating — lower means beatable quality
**Market size**
**Good****$343K**
$343K/yr · 5.8M searches
**Review moat**
**Okay****2,346.26**
avg incumbent reviews — the moat a new listing must climb
**Growth**
**Bad****-5.8%**
90-day search growth — must beat 0% to launch
**Conversion**
**Bad****0.4%**
search→purchase rate — share of searches ending in a sale
**Signals**[** No Dominant Brand**](https://flapen.com/research/niches?market=us&signal=no_dominant_brand "Top brand's click share < 20%")
## **Is mens thong underwear profitable on Amazon?**
According to Flapen's Amazon United States niche tracking, mens thong underwear is a $343K/yr Amazon United States market (5.8M searches/yr). The top 5 brands hold 32% of demand. Verdict: Worth a look — 61/100.
Data updated Jul 21, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **mens thong underwear market size & sales**
Units sold, revenue, conversion and listing quality across the tracked shelf.
- **Units sold / yr**
- **30K–40K**
- avg 100–250/product
- **Revenue / yr**
- **$481K–$642K**
- units × avg price
- **Conversion rate**
- **0.4%**
- **Avg BSR**
- **#1,278**
- **Page quality**
- **0%**
- **Prime**
- **99%**
- **Sponsored**
- **78%**
- **Out of stock**
- **3.4%**
- **Avg brand age**
- **47 months**
- **Avg seller age**
- **152 days**
## **Competition: brands, sellers & click share**
Clicks spread well past the top 5 (8% combined) — an open shelf where new products get seen.
**Brands**
**93 **▲rising
**Sellers**
**151**
**Top-5 brand share**
**32%**
Top 20: 64%
**Top-5 click share**
**8%**
Top 20: 25%
**Open market**
**69%**
- Arjen Kroos7% - KAREN SPACE6% - Avidlove5% - JOCKMAIL5% - MuscleMate4% - iKingsky4%
## **mens thong underwear demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -5.8% search growth over the last 90 days.
125K75KSpike '25Prime Day '25 seasonSepDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.2×
[**Open Trend **](https://flapen.com/research/us/clothing-shoes-jewelry/mens-thong-underwear/trend)
## **Top mens thong underwear search terms shoppers use**
The exact queries shoppers type, with yearly volume, growth and conversion.
- **mens thong underwear**612K/yr+21.2%0.3% conv. - **mens thong**760K/yr-4.7%0.4% conv. - **mens sexy underwear**500K/yr-4.2%0.2% conv. - **mens lingerie**694K/yr-18.2%0.3% conv. - **sexy mens underwear**328K/yr-22.0%0.3% conv. - **thongs for men**272K/yr-1.5%0.4% conv. - **lingerie for men**333K/yr-21.9%0.2% conv. - **mens thongs**294K/yr-5.8%0.3% conv. - **mens sexy underwear naughty**310K/yr-9.2%0.3% conv. - **men thong**199K/yr+8.5%0.3% conv. [**All search terms **](https://flapen.com/research/us/clothing-shoes-jewelry/mens-thong-underwear/search-terms)
## **Top mens thong underwear products & what they sell for**
Every tracked product — its share of the shelf, its review moat, and what it sells for.
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
0%1%$3K2%$7K3%$10K4%$14K101001K10K 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**MuscleMate Mens Thong G-String Underwear Mens Hot Thong G-String Brief Underwear Stretch and All-day Comfort. (US Alpha X-Large Regular Regular Purple)**MuscleMate**$5.04**4.5★532 rev](https://www.amazon.com/dp/B0CNX5ZWN4) [2**Shinywear Mens Sexy Mankini Costume Suspender Swimsuit Swimwear Thong Underwear (Black)**Shinywear**$9.18**4.4★1,840 rev](https://www.amazon.com/dp/B01L9GLICW) [3**KAREN SPACE Mens Thong Underwear Sexy Mens Underwear Ice Silk Fabric Bikini G-String Thongs 1960DK-1P-Black-Medium**KAREN SPACE**$8.69**4.1★35 rev](https://www.amazon.com/dp/B0FNRF4NCC) [4**DKEGIFF Jock Straps For Men Thong Underwear Male Sexy Ice Silk Lingerie**DKEGIFF**$9.96**4.4★267 rev](https://www.amazon.com/dp/B0DWKHQ9BV) [5**Avidlove Mens Lace Thong Sexy Low Rise T-back G-string Comfortable Mens Thong Underwear 1-4 Pack Pink**Avidlove**$7.68**4.2★136 rev](https://www.amazon.com/dp/B0FR8QYW6S)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Avidlove Mens Lace Thong Sexy Low Rise T-back G-string Comfortable Mens Thong Underwear 1-4 Pack Pink**Avidlove**$7.68**136 rev10mo ago](https://www.amazon.com/dp/B0FR8QYW6S) [**KAREN SPACE Mens Thong Underwear Sexy Mens Underwear Ice Silk Fabric Bikini G-String Thongs 1960DK-1P-Black-Medium**KAREN SPACE**$8.69**35 rev10mo ago](https://www.amazon.com/dp/B0FNRF4NCC) [**Xanaluyu Mens Sexy Thong Underwear G-String Bikini Lingerie Soft and Breathable Male Jockstrap Pouch Briefs**Xanaluyu**$5.11**80 rev1y ago](https://www.amazon.com/dp/B0FHBLHRHT) [**KAREN SPACE Ice Silk Sexy Mens Thong Underwear Athletic Supporters for Men 1917-XD-Black Medium**KAREN SPACE**$8.71**98 rev1y ago](https://www.amazon.com/dp/B0F8BZF53L) [**ABAFIP Mens Lace Underwear Sheer Pouch Garter Panties Crossdressing Sexy Lingerie Sissy Underpants Black Medium**ABAFIP**$13.17**53 rev1y ago](https://www.amazon.com/dp/B0F6CGK7TH)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Avidlove Mens Lace Thong Sexy Low Rise T-back G-string Comfortable Mens Thong Underwear 1-4 Pack Pink**Avidlove**$7.68**4.2★**▲ 70%**](https://www.amazon.com/dp/B0FR8QYW6S) [**xxxiticat Mens Sexy Underwear Zipper Boxer Briefs with Pouch Low Rise Open Front Panties See Through Stretch Short Lingerie(BL XL) Black**xxxiticat**$14.96**4.0★**▲ 65%**](https://www.amazon.com/dp/B0DY7GKTV3) [**KAREN SPACE Mens Thong Underwear Sexy Mens Underwear Ice Silk Fabric Bikini G-String Thongs 1960DK-1P-Black-Medium**KAREN SPACE**$8.69**4.1★**▲ 59%**](https://www.amazon.com/dp/B0FNRF4NCC) [**SOLY HUX Mens Boxer Briefs 3 Packs Trunks Mid Rise Underwear Stretchy Knitted Panties Green Black Multi Medium**SOLY HUX**$20.07**4.2★**▲ 50%**](https://www.amazon.com/dp/B0F1TG1H2Q) [**JOCKMAIL Mens Sexy Underwear Briefs Mesh Breathable Comfortable Low Rise Underwear for Men (US Alpha X-Large Regular Regular Black)**JOCKMAIL**$9.69**4.4★**▲ 38%**](https://www.amazon.com/dp/B0DKW3484W)
**~~View all trending →~~**
## **What reviews say buyers love and hate about mens thong underwear**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Comfort-Overall**24%
*“Excellent Comfortable”*
**Size-Overall**20%
*“Fit like a glove”*
**Quality-Overall**9%
*“Decent quality”*
**Soft Feel**6%
*“Buttery soft”*
**Value For Money**5%
*“They are affordable”*
**Material Quality**4%
*“Good material”*
**Breathability**4%
*“Awesome breathability”*
**Advertised Vs Actual Product**2%
*“As described”*
**Color**2%
*“Great colors”*
**Stretchability/Expandability/Elasticity**2%
*“Good stretch”*
### **What buyers complain about **
**Size-Overall**25%
*“Not a good fit”*
**Quality-Overall**7%
*“Low quality”*
**Comfort-Overall**6%
*“Extremely uncomfortable”*
**Durability**5%
*“are not as durable”*
**Material Quality**3%
*“Poor quality material”*
**Stretchability/Expandability/Elasticity**3%
*“He doesnt like the stretch”*
**Value For Money**2%
*“Expensive”*
**Advertised Vs Actual Product**2%
*“Not as shown”*
**Gap/Hole**2%
*“a hole appeared on 1 of them”*
**Stitch/Finish/Polish**2%
*“Stitching is poor quality”*
### **Top return reasons **
**Size-Overall**52%
**Waist Fit**12%
**Length**6%
**Material Quality**6%
**Thigh Fit**4%
**Advertised Vs Actual Product**3%
**Comfort-Overall**2%
**Shape/Style**2%
**Thin**1%
**Quality-Overall**1%
## **Common mens thong underwear questions**
- **Is mens thong underwear profitable to sell on Amazon United States?**
- The niche generates $343K/yr across 339 tracked products. 3 of 92 products launched in the last 360 days are still selling. 90-day search growth is -5.8%. Flapen's verdict: Worth a look (61/100).
- **How competitive is the mens thong underwear niche?**
- 93 brands and 151 sellers compete. The top 5 products take 8% of clicks and top 5 brands hold 32% of demand.
- **What do buyers complain about in mens thong underwear?**
- Top complaints mined from reviews: Size-Overall, Quality-Overall, Comfort-Overall. The return rate is 1.8%.
- **When does demand for mens thong underwear peak?**
- Demand is steady year-round — the busiest month runs 1.2× the quietest.
- **What does it cost to enter the mens thong underwear niche?**
- Listings span $4.83–$69.80; the average listing price is $16.04 (sweet spot $15–$100). The average incumbent carries 2,346 reviews — the moat a new listing must climb.
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