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57

mens briefs

Worth a look

Shows low returns (0.1%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 30Growth 36Conversion 13Competition 93Returns 100Price range 61Avg price 75Brand share 79Review moat 23Quality gap 63

Returns

Incredible0.1%

return rate — above 5% kills the launch gate

Competition

Great22%

top-5 click share — an open shelf

Brand share

Great56%

top-5 brand share — no brand owns this niche

Avg price

Great£15.07

avg listing price — sweet spot $15–$100

Quality gap

Good4.4★

avg incumbent rating — lower means beatable quality

Price range

Good£6.95–£27.50

cheapest to priciest tracked listing — scored on the share inside $15–$100

Growth

Okay+8.9%

90-day search growth — must beat 0% to launch

Market size

Okay£133K

£133K/yr · 822K searches

Review moat

Bad7,871.66

avg incumbent reviews — the moat a new listing must climb

Conversion

Bad1.1%

search→purchase rate — share of searches ending in a sale

According to Flapen's Amazon United Kingdom niche tracking, mens briefs is a £133K/yr Amazon United Kingdom market (822K searches/yr). The top 5 brands hold 56% of demand. Demand peaks in Dec. Verdict: Worth a look — 57/100.

Data updated Jul 23, 2026 · scored weekly · How we score niches

mens briefs market data

Units sold / yr
8K–10K
avg 0–100/product
Revenue / yr
£121K–£151K
units × avg price
Conversion rate
1.1%
Avg BSR
#56
Page quality
0%
Prime
94%
Sponsored
91%
Out of stock
1.1%
Avg brand age
52 months
Avg seller age
174 days

Competition & brand share

Clicks spread well past the top 5 (22% combined) — an open shelf where new products get seen.

Brands

29 falling

Sellers

40

Top-5 brand share

56%

Top 20: 94%

Top-5 click share

22%

Top 20: 55%

Open market

38%

  • wirarpa16%
  • Calvin Klein14%
  • FALARY12%
  • FM London8%
  • INNERSY7%
  • HAGOT6%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +8.9% search growth over the last 90 days.
25K15KSpike '24Black Friday '24Prime Day '25Black Friday '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Dec · busiest ÷ quietest = 1.6×

Top mens briefs search terms

  • mens briefs315K/yr
  • mens underwear briefs159K/yr
  • mens briefs multipack63K/yr
  • briefs men53K/yr
  • jockey underwear for men41K/yr
  • briefs39K/yr
  • mens briefs underwear34K/yr
  • men briefs20K/yr
  • mens cotton briefs12K/yr
  • men underwear briefs10K/yr
All search terms

Top mens briefs products on Amazon

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

0%2%£3K4%£5K6%£8K8%£11K101001K10K100K Reviews — right = deep review moat Market 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.

What buyers say about mens briefs

What buyers praise and complain about, mined from review topics.

What buyers love

Comfort-Overall26%

“Really comfortable”

Size-Overall20%

“Brilliant fit”

Quality-Overall15%

“Good quality, delivered on time and informed through all stages”

Value For Money10%

“Great value”

Material Quality5%

“smooth material”

Soft Feel4%

“Nice and soft”

Advertised Vs Actual Product3%

“As advertised”

Stretchability/Expandability/Elasticity1%

“slightly elastic”

Washability1%

“The are great quality, compy and wash well”

Weight Light1%

“feels light on the skin”

What buyers complain about

Size-Overall32%

“Too big”

Quality-Overall12%

“Not well made”

Material Quality6%

“Material quite flimsy”

Stretchability/Expandability/Elasticity4%

“some of the elastic came out”

Comfort-Overall3%

“Waistband is not comfortable”

Thickness2%

“They're not the thickest material”

Waist Fit2%

“Their sizing suggested I needed a large for a 31-32 inch waist which I ordered”

Advertised Vs Actual Product2%

“nothing like as advertised”

Value For Money2%

“At £4/piece this set is a bit on the pricy side for what it is”

Gap/Hole2%

“Some have holes in them after a matter of days and weeks and some last years”

Common questions

Is mens briefs profitable to sell on Amazon United Kingdom?
The niche generates £133K/yr across 95 tracked products. 1 of 18 products launched in the last 360 days are still selling. 90-day search growth is +8.9%. Flapen's verdict: Worth a look (57/100).
How competitive is the mens briefs niche?
29 brands and 40 sellers compete. The top 5 products take 22% of clicks and top 5 brands hold 56% of demand.
What do buyers complain about in mens briefs?
Top complaints mined from reviews: Size-Overall, Quality-Overall, Material Quality. The return rate is 0.1%.
When does demand for mens briefs peak?
Demand peaks in Dec; the busiest month runs 1.6× the quietest.
What does it cost to enter the mens briefs niche?
Listings span £6.95–£27.50; the average listing price is £15.07 (sweet spot $15–$100). The average incumbent carries 7,872 reviews — the moat a new listing must climb.