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18 month boy pajamas

Worth a look61/100

18 month boy pajamas shows a fragmented shelf (top 5 take 6% of clicks), but a small market ($549K/yr) keeps it on the watch list.

Market/yr

$549K

Growth (1y)

+206.6%

Products

468

Brands

47

was 28 a year ago

Sellers

46

Price range

$9.87–$44.26

Returns

2.8%

Rating

4.6★

61/100

Worth a look

Scored 61/100 across market size, growth, competition, quality gap, and returns.

Market sizeGrowthCompetitionQuality gapReturns
Market size
26
×0.30
Growth
77
×0.30
Competition
100
×0.20
Quality gap
26
×0.10
Returns
77
×0.10

Demand

Weekly Amazon search volume, last 104 weeks — +206.6% year over year.
53K27KPrime Day '24Spike '24Spike '25Prime Day '25Holiday '25Spike '26Jul '24Nov '24Mar '25Jul '25Nov '25Mar '26

Seasonality

Monthly demand index across the year — 1.00 is average.

Peak months: Feb, Oct, Nov · busiest ÷ quietest = 1.7×

Competition

25%Gerber
  • Gerber25%
  • Simple Joys by Carter's22%
  • Amazon Essentials10%
  • Yoofoss9%
  • Burt's Bees Baby6%
  • Onesies Brand5%
  • Other (41 brands)24%

Clicks spread well past the top 5 (6% combined) — an open shelf where new products get seen. 47 brands and 46 sellers compete here.

Brands

47 rising

was 28 a year ago

Sellers

46

Top 5 brand share

71%

#ProductBrandPriceRatingReviewsClick shareTrend

Product shelf

All 468 tracked products in this niche.

Reviews

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

What buyers love

Soft Feel18%

“Material is soft”

Size-Overall13%

“Fits as expected”

Quality-Overall12%

“Quality & colors are cute”

Comfort-Overall7%

“Nice and comfortable”

Material Quality4%

“Amazing material”

Value For Money4%

“Great deal”

Warmth4%

“Nice and warm”

Zipper Quality3%

“Good zipper”

Color3%

“Colors are beautiful”

Design-Overall2%

“Beautiful design”

What buyers complain about

Size-Overall22%

“Too short”

Quality-Overall7%

“not well made”

Material Quality5%

“Cheap material”

Thickness5%

“Very thick cotton fabric”

Zipper Quality4%

“Cheap zipper”

Durability4%

“broken after 2 months”

Stretchability/Expandability/Elasticity2%

“and aren't super stretchy”

Hard Feel2%

“not super soft”

Arm Fit2%

“The arm pieces are way too thin”

Stitch/Finish/Polish2%

“seams came undone very quickly as well”

Top return reasons

  • Size-Overall52%
  • Length11%
  • Material Quality7%
  • Zipper Quality3%
  • Thin3%
  • Advertised Vs Actual Product2%
  • Sleeve Fit2%
  • Value For Money2%
  • Thigh Fit2%
  • Arm Fit2%

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