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green day t-shirt

Skip it

A small market ($31K/yr) — this niche doesn't clear our bar today.

Market size 8Growth 24Conversion 26Competition 68Returns 96Price range 33Avg price 67Brand share 10Review moat 88Quality gap 48

Returns

Incredible0.8%

return rate — above 5% kills the launch gate

Review moat

Great236.24

avg incumbent reviews — the moat a new listing must climb

Competition

Good44%

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

Avg price

Good£14.05

avg listing price — sweet spot $15–$100

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Price range

Okay£5.11–£19.92

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

Conversion

Okay2.1%

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

Growth

Bad-2.5%

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

Brand share

Bad96%

top-5 brand share — brand-locked demand

Market size

Bad£31K

£31K/yr · 107K searches

According to Flapen's Amazon United Kingdom niche tracking, green day t-shirt is a £31K/yr Amazon United Kingdom market (107K searches/yr). The top 5 brands hold 96% of demand. Demand peaks in Dec. Verdict: Skip it — 42/100.

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

green day t-shirt market data

Units sold / yr
2K–2K
avg 0–100/product
Revenue / yr
£21K–£28K
units × avg price
Conversion rate
2.1%
Avg BSR
#4,697
Page quality
0%
Prime
57%
Sponsored
19%
Out of stock
4.0%
Avg brand age
39 months
Avg seller age
182 days

Competition & brand share

The top 5 products take 44% of clicks — established leaders, but buyers still shop beyond them.

Brands

9 rising

Sellers

39

Top-5 brand share

96%

Top 20: 100%

Top-5 click share

44%

Top 20: 83%

Open market

3%

  • Rock Off officially licensed products38%
  • Green Day38%
  • Hot Topic17%
  • Zavvi2%
  • HYMN1%
  • Zaitun1%
  • Open — no brand owns it (3 brands, 3%)

Demand & seasonality

Weekly Amazon search volume, last 103 weeks — -2.5% search growth over the last 90 days.
6K4KHoliday '24Spike '25Holiday '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Dec · busiest ÷ quietest = 2.7×

Top green day t-shirt search terms

  • green day44K/yr
  • green day t-shirt18K/yr
  • greenday11K/yr
  • greenday t-shirt7K/yr
  • green day t shirt4K/yr
  • green day tshirt3K/yr
  • green day merchandise10K/yr
  • green day merch4K/yr
  • green day shirt3K/yr
  • greenday merch3K/yr
All search terms

Top green day t-shirt 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%4%£1K8%£2K12%£4K16%£5K1101001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)2 products missing review or click data not plotted

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

What buyers say about green day t-shirt

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

What buyers love

Size-Overall39%

“Fits perfectly”

Quality-Overall22%

“Brilliant product”

Comfort-Overall11%

“comfortable for daily use or gym”

Value For Money11%

“Value for money”

Color6%

“I like the colour and the price”

Design-Overall6%

“I really like the design on this one”

Print Quality6%

“Print looks great”

What buyers complain about

Stretchability/Expandability/Elasticity50%

“has stretched out after 2/3 wears”

Neck Fit50%

“bit big around the neck -”

Top return reasons

Size-Overall76%
Neck Fit11%
Stitch/Finish/Polish5%
Print Quality5%
Color3%

Common questions

Is green day t-shirt profitable to sell on Amazon United Kingdom?
The niche generates £31K/yr across 37 tracked products. 0 of 4 products launched in the last 360 days are still selling. 90-day search growth is -2.5%. Flapen's verdict: Skip it (42/100).
How competitive is the green day t-shirt niche?
9 brands and 39 sellers compete. The top 5 products take 44% of clicks and top 5 brands hold 96% of demand.
What do buyers complain about in green day t-shirt?
Top complaints mined from reviews: Stretchability/Expandability/Elasticity, Neck Fit. The return rate is 0.8%.
When does demand for green day t-shirt peak?
Demand peaks in Dec; the busiest month runs 2.7× the quietest.
What does it cost to enter the green day t-shirt niche?
Listings span £5.11–£19.92; the average listing price is £14.05 (sweet spot $15–$100). The average incumbent carries 236 reviews — the moat a new listing must climb.