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Cap

Cap clears our launch bar: a $856K/yr market growing +73.8% this quarter with returns at 1.7%.

Flapen Score

66
Launch it
Market size 75Growth 81Conversion 19Competition 89Returns 81Price range 50Avg price 41Brand share 85Review moat 25Quality gap 53
This niche Category average

Is Cap profitable on Amazon?

According to Flapen's Amazon United Kingdom niche tracking, Cap is a £856K/yr Amazon United Kingdom market (5.0M searches/yr). The top 5 brands hold 50% of demand. Demand peaks in Jun–Jul. Verdict: Launch it — 66/100.

Cap: the Amazon niche in one read

Everything a seller checks before entering, in three answers.

Is the demand real?

Yes. Search demand moved +73.8% over the last 90 days and 1.6% of searches end in a purchase.

£856K

revenue / yr

Units sold / yr80K
Search volume / yr+73.8%5.0M
Conversion rate1.6%
Avg price£10.96

Who owns the niche?

The top 5 brands hold 50% of demand, so 50% of the market is open.

50%

open market share

Brands · sellers41 · 126
Top-5 product click share26%
Open market50%
Avg brand age49 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 · 75 products

Sponsored placement79%
New entrants (1y)11· 4 succeeded
Avg rating4.4★
Avg reviews4,022

Top Cap 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 (26% combined) — an open shelf where new products get seen.

£0£26K£51K£77K£103K101001K10K100K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

41 falling

Sellers

126

Top-5 brand share

50%

Top 20: 85%

Top-5 click share

26%

Top 20: 58%

Open market

46%

  • New Era24%
  • FURTALK10%
  • Under Armour8%
  • NIKE4%
  • Enwokran4%
  • ViEinkaufen4%

Cap demand & seasonality

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

Volume5.0MCVR1.6%Products75Brands41Top 5 Brands50%OOS Rate1.4%Rating4.4★Reviews4,022Avg BSR#88
225K175KSpike '24Holiday '24Spike '25Prime Day '25Black Friday '25Holiday '25Spike '26SepDecMarJunAugNovMarMay

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

Top Cap search terms shoppers use

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

  • cap835K/yr
  • baseball cap mens417K/yr
  • baseball cap432K/yr
  • mens cap340K/yr
  • hat387K/yr
  • mens baseball caps231K/yr
  • caps for men213K/yr
  • trucker caps for men195K/yr
  • mens hats & caps323K/yr
  • mens caps176K/yr

What reviews say buyers love and hate about Cap

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

What buyers love

90% of reviews
Quality-Overall29%

Excellent quality

Size-Overall22%

fits my head comfortably

Value For Money17%

Excellent value

Color5%

Colours good too and great selection

Comfort-Overall5%

Its comfortable

What buyers complain about

66% of reviews
Size-Overall26%

On the small size

Quality-Overall11%

Very cheap and I guess you get what you pay for

Shape/Style5%

Odd shape

Value For Money4%

a bit expensive

Color4%

it's a completely different colour

Cap return rate & reasons

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

1.7%

Return rate

88%

Fixable by listing

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

1Size-Overall
65%
2Color
8%
3Shape/Style
7%
4Quality-Overall
5%
5Advertised Vs Actual Product
3%

Common Cap questions

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

Flapen scores Cap 66/100 on Amazon United Kingdom — Launch it. The niche generates £856K/yr across 75 tracked products. 4 of 11 products launched in the last 360 days are still selling. Search demand moved +73.8% over the last 90 days.
Search demand for Cap on Amazon United Kingdom peaks in Jun–Jul, where the busiest month runs 1.9× the quietest.