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girls undershirts

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Soft demand (-23.9% this quarter) — this niche doesn't clear our bar today.

Market size 26Growth 13Conversion 15Competition 88Returns 45Price range 57Avg price 79Brand share 66Review moat 25Quality gap 35

Competition

Great27%

top-5 click share — an open shelf

Avg price

Great$16.42

avg listing price — sweet spot $15–$100

Brand share

Good66%

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

Price range

Good$4.72–$28.60

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

Returns

Okay3.6%

return rate — above 6% kills the launch gate

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Market size

Okay$110K

$110K/yr · 570K searches

Review moat

Bad4,783.36

avg incumbent reviews — the moat a new listing must climb

Conversion

Bad1.2%

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

Growth

Bad-23.9%

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

Competition

Clicks spread well past the top 5 (27% combined) — an open shelf where new products get seen.

Brands

28 rising

Sellers

38

Top-5 brand share

66%

Open market

30%

  • Hanes30%
  • Auranso12%
  • Fruit of the Loom10%
  • Feathers8%
  • CHANCALCAL5%
  • Rene Rofe5%

Product shelf

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

0%2%$2K4%$4K6%$7K8%$9K1101001K10K100K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 88 tracked products in this niche — three views at once, no toggling.

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -23.9% search growth over the last 90 days.
23K18KPrime Day '24Spike '24Black Friday '24Holiday '24Prime Day '25Spike '25Holiday '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Aug, Nov, Dec · busiest ÷ quietest = 3.1×

Reviews

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

What buyers love

Size-Overall19%

“Excellent fit”

Soft Feel15%

“the edges are completely smooth”

Quality-Overall15%

“Decent quality”

Comfort-Overall14%

“Very comfortable”

Value For Money4%

“Great Value”

Material Quality4%

“Good material”

Stretchability/Expandability/Elasticity2%

“stretch, perfect”

Color2%

“Beautiful colors”

Strap/String Quality2%

“Straps are very useful and neat”

Durability1%

“It seems durable”

What buyers complain about

Size-Overall22%

“Runs very small”

Advertised Vs Actual Product14%

“FALSE ADVERTISING”

Material Quality11%

“The material also feels cheap”

Strap/String Quality5%

“the strap broke”

Quality-Overall4%

“Cheaply made”

Color4%

“Colors not as advertised”

Thickness4%

“These are super thin”

Shrinkage Resistance2%

“they shrunk significantly after the first wash”

Cushion2%

“'Bra' padding was also a bit weird”

Allergies1%

“and in the inside it is super itchy for girl”

Top return reasons

Size-Overall60%
Length9%
Chest Fit6%
Material Quality5%
Thin4%
Advertised Vs Actual Product3%
Width2%
Comfort-Overall1%
Strap/String Quality1%
Arm Fit1%