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18 month boy shirts

Worth a look56/100

18 month boy shirts shows a fragmented shelf (top 5 take 10% of clicks), but a small market ($70K/yr) keeps it on the watch list.

Market/yr

$70K

Growth (1y)

+247.2%

Products

247

Brands

40

was 32 a year ago

Sellers

47

Price range

$5.65–$39.86

Returns

2.0%

Rating

4.7★

56/100

Worth a look

Scored 56/100 across market size, growth, competition, quality gap, and returns.

Market sizeGrowthCompetitionQuality gapReturns
Market size
4
×0.30
Growth
81
×0.30
Competition
100
×0.20
Quality gap
20
×0.10
Returns
84
×0.10

Demand

Weekly Amazon search volume, last 104 weeks — +247.2% year over year.
6K3KPrime Day '24Spike '25Prime Day '25Black Friday '25Spike '26Jul '24Nov '24Mar '25Jul '25Nov '25Mar '26

Seasonality

Monthly demand index across the year — 1.00 is average.

No pronounced peak months · busiest ÷ quietest = 1.3×

Competition

28%Amazon Essentials
  • Amazon Essentials28%
  • Gerber14%
  • Simple Joys by Carter's11%
  • The Children's Place11%
  • Garanimals9%
  • HonestBaby3%
  • Other (34 brands)24%

Clicks spread well past the top 5 (10% combined) — an open shelf where new products get seen. 40 brands and 47 sellers compete here.

Brands

40 rising

was 32 a year ago

Sellers

47

Top 5 brand share

73%

#ProductBrandPriceRatingReviewsClick shareTrend
7Simple Joys by Carter's$15.324.8★10,4031%flat

Product shelf

All 247 tracked products in this niche.

Reviews

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

What buyers love

Size-Overall21%

“Fit great”

Quality-Overall19%

“The shirts look good and good quality”

Soft Feel11%

“Soft to touch”

Material Quality7%

“Good material”

Comfort-Overall6%

“comfortable”

Value For Money5%

“Good Value”

Color3%

“lots of colors”

Gifting Purpose2%

“Christmas gift”

Durability2%

“They are very durable”

Advertised Vs Actual Product1%

“received exactly what was advertised”

What buyers complain about

Size-Overall28%

“Runs smaller then actual size guide says definitely size up”

Shrinkage Resistance5%

“RUN SMALL / SHRINK TOO MUCH”

Value For Money4%

“$100 for 5 is out of budget”

Quality-Overall4%

“Poor make”

Stretchability/Expandability/Elasticity3%

“it does not stretch a lot however”

Neck Fit2%

“Neck hole too large”

Material Quality2%

“cloth is not good”

Thickness2%

“it is thick”

Allergies1%

“My toddler suffers from eczema”

Durability1%

“not as durable as I hoped”

Top return reasons

  • Size-Overall66%
  • Length9%
  • Material Quality4%
  • Sleeve Fit3%
  • Advertised Vs Actual Product2%
  • Value For Money2%
  • Color2%
  • Quality-Overall1%
  • Chest Fit1%
  • Thin1%

Data scraped July 8, 2026 · Marketplace baseline: 4.4★ avg rating · $22.71 median price · 2.2% median returns across 13,812 tracked niches.