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baby undershirts

Worth a look54/100

baby undershirts shows a fragmented shelf (top 5 take 18% of clicks), but a small market ($68K/yr) keeps it on the watch list.

Market/yr

$68K

Growth (1y)

+216.3%

Products

125

Brands

25

was 19 a year ago

Sellers

34

Price range

$5.65–$39.86

Returns

2.2%

Rating

4.7★

54/100

Worth a look

Scored 54/100 across market size, growth, competition, quality gap, and returns.

Market sizeGrowthCompetitionQuality gapReturns
Market size
3
×0.30
Growth
79
×0.30
Competition
97
×0.20
Quality gap
20
×0.10
Returns
82
×0.10

Demand

Weekly Amazon search volume, last 79 weeks — +216.3% year over year.
7K3KPrime Day '25Spike '25Jan '25Apr '25Jul '25Oct '25Jan '26Apr '26

Seasonality

Monthly demand index across the year — 1.00 is average.

Peak months: Oct, Nov · busiest ÷ quietest = 1.6×

Competition

35%Gerber
  • Gerber35%
  • Amazon Essentials26%
  • Simple Joys by Carter's10%
  • The Children's Place7%
  • Garanimals3%
  • Burt's Bees Baby2%
  • Other (19 brands)15%

Clicks spread well past the top 5 (18% combined) — an open shelf where new products get seen. 25 brands and 34 sellers compete here.

Brands

25 rising

was 19 a year ago

Sellers

34

Top 5 brand share

83%

#ProductBrandPriceRatingReviewsClick shareTrend
11Simple Joys by Carter's$15.324.8★10,4032%rising

Product shelf

All 125 tracked products in this niche.

Reviews

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

What buyers love

Size-Overall19%

“The fit is also slightly snug”

Quality-Overall18%

“well made and of good quality very comfortable for the kids”

Soft Feel12%

“Soft to touch”

Value For Money8%

“Good value for money”

Material Quality7%

“Material is soft, comfortable and value for the money is awesome”

Comfort-Overall6%

“comfortable”

Gifting Purpose3%

“Christmas gift”

Ease Of Use3%

“Easy to use”

Color3%

“lots of colors”

Durability2%

“They are very durable”

What buyers complain about

Size-Overall34%

“Size up”

Quality-Overall7%

“Poor make”

Shrinkage Resistance7%

“Bad shrinkage”

Value For Money4%

“Waste of money”

Material Quality4%

“the quality if the material is very poor”

Product Condition3%

“The second bag of Newborn Gerber t-shirts Looked used, possibly washed, all scrambled up in the bag and no tag and most of the t-shirts were unsnapped, not snapped, Did Not Look New, Looked Used”

Stretchability/Expandability/Elasticity2%

“it does not stretch a lot however”

Color2%

“i wish there are multiple colors”

Ease Of Use2%

“Snaps are some of the most difficult Ive used”

Durability2%

“Wish it wouldve lasted longer”

Top return reasons

  • Size-Overall68%
  • Length9%
  • Value For Money4%
  • Sleeve Fit3%
  • Material Quality3%
  • Advertised Vs Actual Product3%
  • Thin2%
  • Width1%
  • Quality-Overall1%
  • Chest Fit1%

Data scraped July 8, 2026 · Marketplace baseline: 4.4★ avg rating · $22.72 median price · 2.2% median returns across 14,813 tracked niches.