Mens Swim Trunks
Worth a lookShows a $3.2M/yr market, but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Market size
Incredible$3.2M$3.2M/yr · 16.4M searches
Competition
Great27%top-5 click share — an open shelf
Avg price
Great$20.05avg listing price — sweet spot $15–$100
Growth
Great+84.9%90-day search growth — must beat 0% to launch
Price range
Great$9.35–$32.35cheapest to priciest tracked listing — scored on the share inside $15–$100
Brand share
Good67%top-5 brand share — brands hold most of the demand
Quality gap
Okay4.6★avg incumbent rating — lower means beatable quality
Review moat
Bad4,496.2avg incumbent reviews — the moat a new listing must climb
Returns
Bad7.0%return rate — above 5% kills the launch gate
Conversion
Bad1.0%search→purchase rate — share of searches ending in a sale
Is mens swim trunks profitable on Amazon?
According to Flapen's Amazon United States niche tracking, mens swim trunks is a $3.2M/yr Amazon United States market (16.4M searches/yr). The top 5 brands hold 67% of demand. Demand peaks in May–Jun–Jul. Verdict: Worth a look — 62/100.
Data updated Jul 21, 2026 · scored weekly · How we score niches
mens swim trunks market size & sales
Units sold, revenue, conversion and listing quality across the tracked shelf.- Units sold / yr
- 150K–200K
- avg 2,000–2,500/product
- Revenue / yr
- $3.0M–$4.0M
- units × avg price
- Conversion rate
- 1.0%
- Avg BSR
- #38
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 99%
- Out of stock
- 0.6%
- Avg brand age
- 47 months
- Avg seller age
- 144 days
Competition: brands, sellers & click share
Clicks spread well past the top 5 (27% combined) — an open shelf where new products get seen.Brands
26 falling
Sellers
30
Top-5 brand share
67%
Top 20: 96%
Top-5 click share
27%
Top 20: 62%
Open market
27%
- maamgic34%
- SILKWORLD10%
- Amazon Essentials8%
- Sixfish8%
- FT FENTENG7%
- ELETOP6%
mens swim trunks demand & seasonality
Weekly Amazon search volume, last 104 weeks — +84.9% search growth over the last 90 days.Peak months: May, Jun, Jul · busiest ÷ quietest = 5.7×
Top mens swim trunks search terms shoppers use
The exact queries shoppers type, with yearly volume, growth and conversion.- mens swim trunks6.2M/yr
- swim trunks men1.9M/yr
- mens bathing suit900K/yr
- swim trunks742K/yr
- swimming trunks for men723K/yr
- men swim trunks641K/yr
- mens board shorts571K/yr
- swim shorts men538K/yr
- mens swim trunks with compression liner467K/yr
- mens swim shorts601K/yr
Top mens swim trunks 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
maamgic Swim Trunks Men 2 in 1 Mens Bathing Suit 7 Inch Quick Dry Mens Swimming Trunks with Zipper Pockets
maamgic$29.494.6★4,421 rev
maamgic Mens Swim Trunks with Compression Liner 5 Inch Quick Dry Bathing Suit with Zipper Pockets Stretch No-Chafing Swim Shorts Blue White Stripe Medium
maamgic$27.874.7★4,894 rev
ELETOP Mens Swim Trunks Quick Dry Bathing Suit Swimming Board Shorts Mesh Lining Beach Swimwear Stripe Blue L
ELETOP$19.164.6★4,165 rev
Sixfish Mens Swim Trunks with Compression Liner 7 Inch 2 in 1 Quick Dry Soft Board Shorts with Zipper Pockets for Beach Vacation Pool Parties
Sixfish$20.894.6★113 rev
FT FENTENG Mens Swim Trunks for Men Hawaii Quick Dry Beach Shorts for Men Swimming Trunks Vintage Black American Flag Mens Board Shorts Swimwear Bathing Suit with Mesh Lining Large
FT FENTENG$19.974.5★6,410 rev
Newest
by launch dateSixfish Mens Swim Trunks with Compression Liner 7 Inch 2 in 1 Quick Dry Soft Board Shorts with Zipper Pockets for Beach Vacation Pool Parties
Sixfish$20.89113 rev
Sixfish 2 in 1 Mens Swim Trunks with 5 Inch Compression Liner Quick Dry Board Shorts with Zipper Pockets for Beach Vacation Pool Parties
Sixfish$18.2497 rev
Sixfish 2 in 1 Mens Swim Trunks with 5 Inch Compression Liner Quick Dry Board Shorts with Zipper Pockets for Beach Vacation Pool Parties
Sixfish$21.6097 rev
STICKON Mens Swim Trunks Quick Dry Beach Board Shorts Bathing Suit with Zipper Pockets - No Mesh Liner Black L
STICKON$15.05129 rev
XOMZG Mens Swim Trunks 2 in 1 Bathing Suits Quick Dry Beach Hawaiian Board Shorts with Pockets
XOMZG$9.511,348 rev
Trending
90-day click momentumSixfish 2 in 1 Mens Swim Trunks with 5 Inch Compression Liner Quick Dry Board Shorts with Zipper Pockets for Beach Vacation Pool Parties
Sixfish$21.604.6★
Sixfish 2 in 1 Mens Swim Trunks with 5 Inch Compression Liner Quick Dry Board Shorts with Zipper Pockets for Beach Vacation Pool Parties
Sixfish$18.244.6★
Sixfish Mens Swim Trunks with Compression Liner 7 Inch 2 in 1 Quick Dry Soft Board Shorts with Zipper Pockets for Beach Vacation Pool Parties
Sixfish$20.894.6★
Amazon Essentials Mens 9 Swim Trunks with Mesh Lining Pockets Drawstring Closure Red X-Large
Amazon Essentials$13.804.5★
Amazon Essentials Mens 9 Swim Trunks with Mesh Lining Pockets Drawstring Closure Black Small
Amazon Essentials$14.174.6★
What reviews say buyers love and hate about mens swim trunks
What buyers praise and complain about, mined from review topics.What buyers love
“Fit as expected”
“Extremely comfortable”
“Decent quality”
“they are affordable”
“Exactly as described”
“Material is fine”
“Great style”
“the color is accurate to the product description”
“They dry quickly”
“Nice pockets”
What buyers complain about
“Too short”
“Cheap”
“not the most durable”
“Material in pockets is too dense”
“Material is awful”
“No Compression”
“not for thicker legs”
“too short for comfort / ease”
“The print on the inside legs”
“Longer than we expected”
Top return reasons
Common mens swim trunks questions
- Is mens swim trunks profitable to sell on Amazon United States?
- The niche generates $3.2M/yr across 71 tracked products. 14 of 15 products launched in the last 360 days are still selling. 90-day search growth is +84.9%. Flapen's verdict: Worth a look (62/100).
- How competitive is the mens swim trunks niche?
- 26 brands and 30 sellers compete. The top 5 products take 27% of clicks and top 5 brands hold 67% of demand.
- What do buyers complain about in mens swim trunks?
- Top complaints mined from reviews: Size-Overall, Quality-Overall, Durability. The return rate is 7.0% — above our launch gate.
- When does demand for mens swim trunks peak?
- Demand peaks in May–Jun–Jul; the busiest month runs 5.7× the quietest.
- What does it cost to enter the mens swim trunks niche?
- Listings span $9.35–$32.35; the average listing price is $20.05 (sweet spot $15–$100). The average incumbent carries 4,496 reviews — the moat a new listing must climb.