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51

Keep Calm Shirt

Worth a look

Shows demand growing +101.2% this quarter, but a small market ($11K/yr) keeps it on the watch list.

Market size 3Growth 91Conversion 12Competition 64Returns 18Price range 41Avg price 79Brand share 64Review moat 78Quality gap 80

Growth

Great+101.2%

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

Quality gap

Great4.2★

avg incumbent rating — lower means beatable quality

Avg price

Great$16.69

avg listing price — sweet spot $15–$100

Review moat

Great437.3

avg incumbent reviews — the moat a new listing must climb

Competition

Good47%

top-5 click share — leaders hold, buyers still browse

Brand share

Good66%

top-5 brand share — brands hold most of the demand

Price range

Okay$7.87–$19.92

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

Returns

Bad7.0%

return rate — above 5% kills the launch gate

Conversion

Bad1.0%

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

Market size

Bad$11K

$11K/yr · 69K searches

Is keep calm shirt profitable on Amazon?

According to Flapen's Amazon United States niche tracking, keep calm shirt is a $11K/yr Amazon United States market (69K searches/yr). The top 5 brands hold 66% of demand. Verdict: Worth a look — 51/100.

Data updated Jul 21, 2026 · scored weekly · How we score niches

keep calm shirt market size & sales

Units sold, revenue, conversion and listing quality across the tracked shelf.
Units sold / yr
1K–2K
avg 0–100/product
Revenue / yr
$21K–$25K
units × avg price
Conversion rate
1.0%
Avg BSR
#63,095
Page quality
0%
Prime
96%
Sponsored
63%
Out of stock
0.9%
Avg brand age
36 months
Avg seller age
168 days

Competition: brands, sellers & click share

The top 5 products take 47% of clicks — established leaders, but buyers still shop beyond them.

Brands

17 rising

Sellers

7

Top-5 brand share

66%

Top 20: 100%

Top-5 click share

47%

Top 20: 92%

Open market

23%

  • keep calm tee16%
  • Cybertela14%
  • Funny Sayings Shirts For Men Women Kids Gifts14%
  • 2010 Shirts Y2K12%
  • Generic11%
  • 2010s Era Y2K Womens Shirts11%

Top keep calm shirt search terms shoppers use

The exact queries shoppers type, with yearly volume, growth and conversion.
  • keep calm shirt46K/yr
  • keep calm9K/yr
  • keep calm and6K/yr
  • keep calm shirts5K/yr
  • keep calm tshirts4K/yr
All search terms

Top keep calm shirt 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.

0%2%$2214%$4426%$6648%$8851101001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)16 products missing review or click data not plotted

All 24 tracked products in this niche — three views at once, no toggling.

What reviews say buyers love and hate about keep calm shirt

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

What buyers love

Size-Overall18%

“it fits perfectly”

Quality-Overall18%

“Good quality”

Material Quality14%

“I order a small just for a tighter fit the material was good as well”

Soft Feel14%

“Soft, cute and fits as described”

Thickness8%

“not too thin”

Advertised Vs Actual Product8%

“As advertised”

Color5%

“The color was accurate as well”

Comfort-Overall1%

“feels really comfortable on the skin without being see-through”

Shape/Style1%

“Surprisingly flattering and stays put”

Adjustability/Rotatability/Reclining1%

“What impressed me most is how well it stays in place—no constant adjusting”

What buyers complain about

Size-Overall20%

“Too short”

Material Quality11%

“This is really cheap material bro”

Machine Wash Suitability11%

“Dont wash it or dry it :/ Update: do not put this shirt in the dryer”

Chest Fit11%

“tight on chest”

Strap/String Quality6%

“I wasnt a fan on the thick straps”

Thickness6%

“We were a little concerned cause it looks super thin and see-through,”

Width6%

“Wider than expected”

Transparency2%

“The black one isnt see-through at all”

Top return reasons

Size-Overall41%
Thin11%
Transparency10%
Material Quality8%
Chest Fit7%
Length6%
Quality-Overall3%
Advertised Vs Actual Product2%
Waist Fit2%
Shape/Style1%

Common keep calm shirt questions

Is keep calm shirt profitable to sell on Amazon United States?
The niche generates $11K/yr across 27 tracked products. 3 of 19 products launched in the last 360 days are still selling. 90-day search growth is +101.2%. Flapen's verdict: Worth a look (51/100).
How competitive is the keep calm shirt niche?
17 brands and 7 sellers compete. The top 5 products take 47% of clicks and top 5 brands hold 66% of demand.
What do buyers complain about in keep calm shirt?
Top complaints mined from reviews: Size-Overall, Material Quality, Machine Wash Suitability. The return rate is 7.0% — above our launch gate.
What does it cost to enter the keep calm shirt niche?
Listings span $7.87–$19.92; the average listing price is $16.69 (sweet spot $15–$100). The average incumbent carries 437 reviews — the moat a new listing must climb.