---
title: "Mens Bikini Underwear — $6K/mo Amazon US Product Research"
canonical_url: "https://flapen.com/research/us/clothing-shoes-jewelry/mens-bikini-underwear"
last_updated: "2026-08-12T10:53:03.229Z"
locale: en
meta:
description: "Amazon product research for mens bikini underwear: $6K/mo market, demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
"og:description": "Amazon product research for mens bikini underwear: $6K/mo market, demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
"og:title": "Mens Bikini Underwear — $6K/mo Amazon US Product Research"
---
# **Mens Bikini Underwear**
**Worth a look**
Shows a sweet-spot price point ($23.40 avg), but weak search conversion (0.6%) keeps it on the watch list.
Market size 19Growth 33Conversion 8Competition 89Returns 64Price range 82Avg price 95Brand share 76Review moat 25Quality gap 58
**Avg price**
**Incredible****$23.40**
avg listing price — sweet spot $15–$100
**Competition**
**Great****27%**
top-5 click share — an open shelf
**Price range**
**Great****$8.27–$49.62**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Brand share**
**Great****59%**
top-5 brand share — no brand owns this niche
**Returns**
**Good****2.5%**
return rate — above 5% kills the launch gate
**Quality gap**
**Good****4.4★**
avg incumbent rating — lower means beatable quality
**Growth**
**Okay****+6.8%**
90-day search growth — must beat 0% to launch
**Review moat**
**Bad****4,171.15**
avg incumbent reviews — the moat a new listing must climb
**Market size**
**Bad****$76K**
$76K/yr · 529K searches
**Conversion**
**Bad****0.6%**
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 bikini underwear profitable on Amazon?**
According to Flapen's Amazon United States niche tracking, mens bikini underwear is a $76K/yr Amazon United States market (529K searches/yr). The top 5 brands hold 59% of demand. Demand peaks in Jul. Verdict: Worth a look — 52/100.
Data updated Jul 21, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **mens bikini underwear market size & sales**
Units sold, revenue, conversion and listing quality across the tracked shelf.
- **Units sold / yr**
- **3K–4K**
- avg 0–100/product
- **Revenue / yr**
- **$70K–$94K**
- units × avg price
- **Conversion rate**
- **0.6%**
- **Avg BSR**
- **#79**
- **Page quality**
- **0%**
- **Prime**
- **99%**
- **Sponsored**
- **86%**
- **Out of stock**
- **2.4%**
- **Avg brand age**
- **47 months**
- **Avg seller age**
- **139 days**
## **Competition: brands, sellers & click share**
Clicks spread well past the top 5 (27% combined) — an open shelf where new products get seen.
**Brands**
**22 **—flat
**Sellers**
**55**
**Top-5 brand share**
**59%**
Top 20: 99%
**Top-5 click share**
**27%**
Top 20: 55%
**Open market**
**35%**
- Hanes20% - Avidlove16% - BAMBOO COOL12% - U.S. POLO ASSN.7% - Hgn6% - HOOFESAN6%
## **mens bikini underwear demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +6.8% search growth over the last 90 days.
35K25KSpike '24Holiday '24Prime Day '25Black Friday '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Jul · busiest ÷ quietest = 1.9×
[**Open Trend **](https://flapen.com/research/us/clothing-shoes-jewelry/mens-bikini-underwear/trend)
## **Top mens bikini underwear search terms shoppers use**
The exact queries shoppers type, with yearly volume, growth and conversion.
- **mens bikini briefs**133K/yr+2.9%0.5% conv. - **mens bikini**56K/yr+20.6%0.1% conv. - **bikini briefs for men**48K/yr+14.8%0.4% conv. - **men bikini underwear**35K/yr+6.5%0.3% conv. - **bikini para hombre**27K/yr+7.8%0.2% conv. - **mens underwear bikini**28K/yr-0.0%0.5% conv. - **mens bikini briefs underwear**34K/yr+9.6%0.5% conv. - **unisex underwear**21K/yr+12.2%0.0% conv. - **bikini underwear for men**18K/yr+22.7%0.3% conv. - **mens bikini underwear cotton**10K/yr+10.6%0.3% conv. [**All search terms **](https://flapen.com/research/us/clothing-shoes-jewelry/mens-bikini-underwear/search-terms)
## **Top mens bikini 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%3%$2K6%$5K9%$7K12%$9K101001K10K100K 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**Hanes Mens Bikini Pack Moisture-Wicking Stretch Odor Control Bikini Underwear 6-Pack Random Assortment Medium**Hanes**$19.87**4.4★9,811 rev](https://www.amazon.com/dp/B086L16L4L) [2**Avidlove Underwear Mens 4 Pack Classic Low Rise Stretchy Hip Briefs Bikini**Avidlove**$16.35**4.3★4,321 rev](https://www.amazon.com/dp/B01FSQE1FU) [3**Hanes Mens Bikini Pack Moisture-Wicking Stretch Cotton Bikini 6-Pack Odor Control Bikini Underwear 6-Pack Large Assorted colors**Hanes**$19.99**4.4★9,811 rev](https://www.amazon.com/dp/B086L5PJRM) [4**U.S. Polo Assn. Mens Bikini Underwear - 12 Pack Cotton Blend String Classic Stretch Mens Brief with Contour Pouch Size XX-Large Red/Blue/Heather Grey/Magenta- String**U.S. POLO ASSN.**$10.97**4.4★1,217 rev](https://www.amazon.com/dp/B0D32314FR) [5**Reebok Mens Briefs - 5 Pack Quick Dry Low Rise Performance Underwear Briefs - Soft Stretch Athletic Mens Bikini Briefs S-XL Size Large Blues/Charcoal**Reebok**$23.32**4.6★2,624 rev](https://www.amazon.com/dp/B08SW6NST8)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Hgn Mens Viscose Underwear Briefs Ultra Comfort Lightweight Sexy Bikini Briefs 4Pack Orange**Hgn**$23.16**48 rev7mo ago](https://www.amazon.com/dp/B0G58DF5YG) [**INNERSY Mens Underwear Briefs Low Rise Bikini Cut Covered Waistband Briefs 4-Pack(Large Midnight Core)**INNERSY**$22.52**60 rev10mo ago](https://www.amazon.com/dp/B0FRF221RS) [**LPCSS Mens Ice Silk Underwear Low Rise Bikini Briefs Cooling Soft Stretch Breathable 4-Pack E726 (US Alpha 3X-Large Regular Regular White + White + Black + Black)**LPCSS**$37.59**15 rev1y ago](https://www.amazon.com/dp/B0FD9ZKMPY) [**BAMBOO COOL Mens Bikini Underwear Soft Breathable Mens Bikini Briefs Tagless Mens Sexy Underwear with Contour Pouch 5 Pack**BAMBOO COOL**$30.64**120 rev1y ago](https://www.amazon.com/dp/B0DYNS24JX) [**HOOFESAN Mens Underwear Micro Modal Bikini Briefs Low Rise Half Back Coverage Silky Touch Underpants Multipack**HOOFESAN**$33.92**901 rev1y ago](https://www.amazon.com/dp/B0DW8BYNX7)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Hgn Mens Viscose Underwear Briefs Ultra Comfort Lightweight Sexy Bikini Briefs 4Pack Orange**Hgn**$23.16**4.3★**▲ 47%**](https://www.amazon.com/dp/B0G58DF5YG) [**U.S. Polo Assn. Mens Bikini Underwear - 12 Pack Cotton Blend String Classic Stretch Mens Brief with Contour Pouch Size XX-Large Red/Blue/Heather Grey/Magenta- String**U.S. POLO ASSN.**$10.97**4.4★**▲ 45%**](https://www.amazon.com/dp/B0D32314FR) [**Molasus Mens Breathable Cotton Briefs Underwear No Fly Covered Waistband Underpants Multicolor 4 Pack Size L**Molasus**$22.86**4.6★**▲ 43%**](https://www.amazon.com/dp/B0BBMKG6SV) [**BAMBOO COOL Mens Bikini Underwear Contour Pouch Breathable Soft Mens String Bikini Briefs Tagless Mens Sexy Underwear 4 Pack**BAMBOO COOL**$28.99**4.6★**▲ 42%**](https://www.amazon.com/dp/B0D4YS6J8B) [**Beverly Hills Polo Club Mens Mens 5 Pack Low Rise Brief Underwear Navy Dark Shadow Grey Bright Blue Black Medium**Beverly Hills Polo Club**$11.08**4.3★**▲ 40%**](https://www.amazon.com/dp/B01NA0JW53)
**~~View all trending →~~**
## **What reviews say buyers love and hate about mens bikini underwear**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Size-Overall**25%
*“Excellent fit”*
**Comfort-Overall**22%
*“Good comfortable”*
**Quality-Overall**10%
*“They also seem well-made”*
**Soft Feel**6%
*“Material is soft”*
**Color**5%
*“Great colors”*
**Value For Money**4%
*“Great price”*
**Material Quality**4%
*“Very soft material”*
**Stretchability/Expandability/Elasticity**2%
*“stretchy”*
**Advertised Vs Actual Product**1%
*“As advertised”*
**Shape/Style**1%
*“Love to style”*
### **What buyers complain about **
**Size-Overall**24%
*“Not true to size”*
**Quality-Overall**9%
*“Low quality”*
**Stretchability/Expandability/Elasticity**4%
*“does not stretch”*
**Material Quality**4%
*“The material feels gross”*
**Color**4%
*“you most likely will NOT receive the colors shown in the ad”*
**Comfort-Overall**4%
*“Not comfortable”*
**Durability**3%
*“don't last”*
**Thickness**3%
*“thinner than expected”*
**Shrinkage Resistance**3%
*“Some shrinkage is”*
**Stitch/Finish/Polish**2%
*“bad stitching”*
### **Top return reasons **
**Size-Overall**50%
**Waist Fit**13%
**Color**7%
**Material Quality**6%
**Advertised Vs Actual Product**4%
**Thigh Fit**4%
**Shape/Style**2%
**Length**2%
**Thin**2%
**Quality-Overall**1%
## **Common mens bikini underwear questions**
- **Is mens bikini underwear profitable to sell on Amazon United States?**
- The niche generates $76K/yr across 74 tracked products. 1 of 8 products launched in the last 360 days are still selling. 90-day search growth is +6.8%. Flapen's verdict: Worth a look (52/100).
- **How competitive is the mens bikini underwear niche?**
- 22 brands and 55 sellers compete. The top 5 products take 27% of clicks and top 5 brands hold 59% of demand.
- **What do buyers complain about in mens bikini underwear?**
- Top complaints mined from reviews: Size-Overall, Quality-Overall, Stretchability/Expandability/Elasticity. The return rate is 2.5%.
- **When does demand for mens bikini underwear peak?**
- Demand peaks in Jul; the busiest month runs 1.9× the quietest.
- **What does it cost to enter the mens bikini underwear niche?**
- Listings span $8.27–$49.62; the average listing price is $23.40 (sweet spot $15–$100). The average incumbent carries 4,171 reviews — the moat a new listing must climb.
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