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Mens Swimming Briefs

Mens Swimming Briefs shows a fragmented shelf (top 5 take 20% of clicks), but a small market ($63K/yr) keeps it on the watch list.

Flapen Score

51
Worth a look
Market size 16Growth 52Conversion 27Competition 95Returns 23Price range 73Avg price 79Brand share 57Review moat 52Quality gap 60
This niche Category average

Is Mens Swimming Briefs profitable on Amazon?

According to Flapen's Amazon United Kingdom niche tracking, Mens Swimming Briefs is a £63K/yr Amazon United Kingdom market (174K searches/yr). The top 5 brands hold 71% of demand. Demand peaks in Jul–Aug. Verdict: Worth a look — 51/100.

Mens Swimming Briefs: the Amazon niche in one read

Everything a seller checks before entering, in three answers.

Is the demand real?

Worth a look. Search demand moved +23.3% over the last 90 days and 2.2% of searches end in a purchase.

£63K

revenue / yr

Units sold / yr3K
Search volume / yr+23.3%174K
Conversion rate2.2%
Avg price£16.46

Who owns the niche?

The top 5 brands hold 71% of demand, so 29% of the market is open.

29%

open market share

Brands · sellers20 · 84
Top-5 product click share20%
Open market29%
Avg brand age39 months

Is there a way in?

Listing quality. The average product page scores 0/100 on content standards. Incumbents average 4.4★ — the gap to enter on.

0/100

page quality · 97 products

Sponsored placement84%
New entrants (1y)26· 0 succeeded
Avg rating4.4★
Avg reviews1,427

Top Mens Swimming Briefs products & what they sell for

Every tracked product — its share of the shelf, its review moat, and what it sells for.

Competition: brands, sellers & click share

Clicks spread well past the top 5 (20% combined) — an open shelf where new products get seen.

£0£1K£3K£4K£5K101001K10K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

20 rising

Sellers

84

Top-5 brand share

71%

Top 20: 100%

Top-5 click share

20%

Top 20: 49%

Open market

24%

  • Speedo30%
  • MY KILOMETRE14%
  • Onvous12%
  • WISMBOX9%
  • SURFEASY6%
  • ADUDVLO5%

Mens Swimming Briefs demand & seasonality

Weekly search volume, with the niche's key stats alongside.

Volume174KCVR2.2%Products97Brands20Top 5 Brands71%OOS Rate5.2%Rating4.4★Reviews1,427Avg BSR#24
13K8KHoliday '24Prime Day '25Black Friday '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Jul, Aug · busiest ÷ quietest = 1.9×

Top Mens Swimming Briefs search terms shoppers use

The exact queries shoppers type, with yearly volume, growth and conversion.

  • jammers swimming trunks men12K/yr
  • jammers22K/yr
  • mens jammers16K/yr
  • swimming jammers for men16K/yr
  • speedo jammers mens18K/yr
  • swim jammers mens11K/yr
  • speedo jammers12K/yr
  • mens jammers swimming trunks4K/yr
  • swimming jammers9K/yr
  • mens swimming jammers9K/yr

What reviews say buyers love and hate about Mens Swimming Briefs

What buyers mention most, as a share of all reviews.

What buyers love

79% of reviews
Size-Overall27%

Nice fit and smooth

Quality-Overall15%

Good quality and exactly as advertised

Comfort-Overall10%

comfortable to wear

Value For Money10%

Good value

Material Quality4%

Very thick material looks quality worth the price

What buyers complain about

58% of reviews
Size-Overall24%

Ridiculously small

Quality-Overall10%

Poor quality

Stitch/Finish/Polish5%

I quality wasnt great as the stitching started coming loose after just a few weeks

Color3%

They do fade with time

Thigh Fit3%

snug on legs after hundreds of uses

Mens Swimming Briefs return rate & reasons

Why buyers send it back, as a share of all return requests.

5.6%

Return rate

94%

Fixable by listing

The "fixable" share counts expectation-mismatch reasons — size, look, advertised-vs-actual — that better copy and images address.

1Size-Overall
83%
2Thigh Fit
3%
3Advertised Vs Actual Product
2%
4Quality-Overall
2%
5Shape/Style
1%

Common Mens Swimming Briefs questions

The questions sellers ask about this niche, answered from the tracked metrics.

Flapen scores Mens Swimming Briefs 51/100 on Amazon United Kingdom — Worth a look. The niche generates £63K/yr across 97 tracked products. 0 of 26 products launched in the last 360 days are still selling. Search demand moved +23.3% over the last 90 days.
Search demand for Mens Swimming Briefs on Amazon United Kingdom peaks in Jul–Aug, where the busiest month runs 1.9× the quietest.