Mens String Bikini Underwear
Worth a lookShows a sweet-spot price point ($23.07 avg), but weak search conversion (0.7%) keeps it on the watch list.
Avg price
Incredible$23.07avg listing price — sweet spot $15–$100
Competition
Great27%top-5 click share — an open shelf
Price range
Great$5.27–$49.62cheapest to priciest tracked listing — scored on the share inside $15–$100
Brand share
Good61%top-5 brand share — brands hold most of the demand
Returns
Good2.4%return rate — above 5% kills the launch gate
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Growth
Okay+10.9%90-day search growth — must beat 0% to launch
Review moat
Bad4,384.14avg incumbent reviews — the moat a new listing must climb
Market size
Bad$59K$59K/yr · 380K searches
Conversion
Bad0.7%search→purchase rate — share of searches ending in a sale
Is mens string bikini underwear profitable on Amazon?
According to Flapen's Amazon United States niche tracking, mens string bikini underwear is a $59K/yr Amazon United States market (380K searches/yr). The top 5 brands hold 61% of demand. Verdict: Worth a look — 51/100.
Data updated Jul 21, 2026 · scored weekly · How we score niches
mens string bikini underwear market size & sales
Units sold, revenue, conversion and listing quality across the tracked shelf.- Units sold / yr
- 3K–3K
- avg 0–100/product
- Revenue / yr
- $58K–$69K
- units × avg price
- Conversion rate
- 0.7%
- Avg BSR
- #60
- Page quality
- 0%
- Prime
- 99%
- Sponsored
- 89%
- Out of stock
- 2.2%
- Avg brand age
- 48 months
- Avg seller age
- 134 days
Competition: brands, sellers & click share
Clicks spread well past the top 5 (27% combined) — an open shelf where new products get seen.Brands
24 rising
Sellers
54
Top-5 brand share
61%
Top 20: 98%
Top-5 click share
27%
Top 20: 55%
Open market
34%
- Hanes21%
- Avidlove15%
- BAMBOO COOL12%
- U.S. POLO ASSN.8%
- HOOFESAN6%
- AMERICAN HEAVEN5%
mens string bikini underwear demand & seasonality
Weekly Amazon search volume, last 104 weeks — +10.9% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.3×
Top mens string bikini underwear search terms shoppers use
The exact queries shoppers type, with yearly volume, growth and conversion.- mens bikini56K/yr
- bikini briefs for men48K/yr
- men bikini underwear35K/yr
- bikini para hombre27K/yr
- mens underwear bikini28K/yr
- mens bikini briefs underwear34K/yr
- bikini underwear for men18K/yr
- mens bikini underwear cotton10K/yr
- bikini underwear for men pack15K/yr
- mens micro briefs13K/yr
Top mens string 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.
All 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Hanes Mens Bikini Pack Moisture-Wicking Stretch Odor Control Bikini Underwear 6-Pack Random Assortment Medium
Hanes$19.874.4★9,811 rev
Avidlove Underwear Mens 4 Pack Classic Low Rise Stretchy Hip Briefs Bikini
Avidlove$16.354.3★4,321 rev
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.$10.974.4★1,217 rev
Hanes Mens Bikini Pack Moisture-Wicking Stretch Cotton Bikini 6-Pack Odor Control Bikini Underwear 6-Pack Large Assorted colors
Hanes$19.994.4★9,811 rev
AMERICAN HEAVEN Mens 12 Pack Sport Bikini Briefs | 100% Cotton
AMERICAN HEAVEN$27.604.3★1,898 rev
Newest
by launch date
Hgn Mens Viscose Underwear Briefs Ultra Comfort Lightweight Sexy Bikini Briefs 4Pack Orange
Hgn$22.8048 rev
Hgn Mens Viscose Underwear Briefs Ultra Comfort Lightweight Sexy Bikini Briefs 4Pack Orange
Hgn$23.1648 rev
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$37.5915 rev
BAMBOO COOL Mens Bikini Underwear Soft Breathable Mens Bikini Briefs Tagless Mens Sexy Underwear with Contour Pouch 5 Pack
BAMBOO COOL$30.64120 rev
HOOFESAN Mens Underwear Micro Modal Bikini Briefs Low Rise Half Back Coverage Silky Touch Underpants Multipack
HOOFESAN$33.92901 rev
Trending
90-day click momentumU.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.$10.974.4★
Molasus Mens Breathable Cotton Briefs Underwear No Fly Covered Waistband Underpants Multicolor 4 Pack Size L
Molasus$22.864.6★
Hgn Mens Viscose Underwear Briefs Ultra Comfort Lightweight Sexy Bikini Briefs 4Pack Orange
Hgn$23.164.3★
BAMBOO COOL Mens Bikini Underwear Contour Pouch Breathable Soft Mens String Bikini Briefs Tagless Mens Sexy Underwear 4 Pack
BAMBOO COOL$28.994.6★
Beverly Hills Polo Club Mens Mens 5 Pack Low Rise Brief Underwear Navy Dark Shadow Grey Bright Blue Black Medium
Beverly Hills Polo Club$11.084.3★
What reviews say buyers love and hate about mens string bikini underwear
What buyers praise and complain about, mined from review topics.What buyers love
“Fits like a glove”
“Good comfortable”
“They also seem well-made”
“Material is soft”
“Great colors”
“Great Price”
“Very soft material”
“stretchy”
“As advertised”
“durability good”
What buyers complain about
“very large”
“Low quality”
“The material feels gross”
“Elastic is not comfortable”
“you most likely will NOT receive the colors shown in the ad”
“Some shrinkage is”
“Not very comfortable”
“don't last”
“bad stitching”
“thinner than expected”
Top return reasons
Common mens string bikini underwear questions
- Is mens string bikini underwear profitable to sell on Amazon United States?
- The niche generates $59K/yr across 72 tracked products. 3 of 9 products launched in the last 360 days are still selling. 90-day search growth is +10.9%. Flapen's verdict: Worth a look (51/100).
- How competitive is the mens string bikini underwear niche?
- 24 brands and 54 sellers compete. The top 5 products take 27% of clicks and top 5 brands hold 61% of demand.
- What do buyers complain about in mens string bikini underwear?
- Top complaints mined from reviews: Size-Overall, Quality-Overall, Material Quality. The return rate is 2.4%.
- When does demand for mens string bikini underwear peak?
- Demand is steady year-round — the busiest month runs 1.3× the quietest.
- What does it cost to enter the mens string bikini underwear niche?
- Listings span $5.27–$49.62; the average listing price is $23.07 (sweet spot $15–$100). The average incumbent carries 4,384 reviews — the moat a new listing must climb.