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black onesie

Skip it45/100

a small market ($85K/yr) — black onesie doesn't clear our bar today.

Market/yr

$85K

Growth (1y)

+166.8%

Products

29

Brands

14

was 17 a year ago

Sellers

21

Price range

$8.98–$20.64

Returns

2.7%

Rating

4.7★

45/100

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Scored 45/100 across market size, growth, competition, quality gap, and returns.

Market sizeGrowthCompetitionQuality gapReturns
Market size
4
×0.30
Growth
73
×0.30
Competition
58
×0.20
Quality gap
23
×0.10
Returns
79
×0.10

Demand

Weekly Amazon search volume, last 104 weeks — +166.8% year over year.
25K12KSpike '24Spike '25Spike '26Jul '24Nov '24Mar '25Jul '25Nov '25Mar '26

Seasonality

Monthly demand index across the year — 1.00 is average.

Peak months: Oct, Nov · busiest ÷ quietest = 4.8×

Competition

30%123 Bear
  • 123 Bear30%
  • Gerber27%
  • Jomixa7%
  • Carhartt5%
  • GUISBY5%
  • ROMPERINBOX4%
  • Other (8 brands)21%

The top 5 products take 51% of clicks — established leaders, but buyers still shop beyond them. 14 brands and 21 sellers compete here.

Brands

14 falling

was 17 a year ago

Sellers

21

Top 5 brand share

74%

#ProductBrandPriceRatingReviewsClick shareTrend

Product shelf

All 29 tracked products in this niche.

Reviews

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

What buyers love

Quality-Overall20%

“Great quality”

Size-Overall16%

“Great fit”

Material Quality16%

“Its lightweight and nice material”

Soft Feel15%

“The material is soft, breathable, and comfortable on my babys skin”

Comfort-Overall8%

“Great for my baby and Comfortable”

Stretchability/Expandability/Elasticity5%

“Nice stretchy material”

Thickness5%

“there thick”

Color5%

“The color and quality seem great,”

Durability2%

“durable”

Shrinkage Resistance2%

“No shrinking or stretching either”

What buyers complain about

Size-Overall22%

“Inconsistent sizing”

Gap/Hole17%

“Hole”

Smell17%

“These onesies smelled like pure throw up I want a full refund”

Shrinkage Resistance8%

“Shrunk”

Durability8%

“Shrunk”

Wrinkles8%

“Shrinks after you wash and dry it”

Quality-Overall8%

“Not the best quality”

Length6%

“One of the onesies is longer than the others”

Top return reasons

  • Size-Overall59%
  • Length11%
  • Material Quality6%
  • Sleeve Fit4%
  • Value For Money3%
  • Advertised Vs Actual Product2%
  • Width2%
  • Arm Fit2%
  • Quality-Overall2%
  • Color2%

Data scraped July 8, 2026 · Marketplace baseline: 4.4★ avg rating · $22.72 median price · 2.2% median returns across 14,725 tracked niches.