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18 Month Boy Pajamas

18 Month Boy Pajamas shows a fragmented shelf (top 5 take 6% of clicks), but soft demand (-19.8% this quarter) keeps it on the watch list.

Flapen Score

51
Worth a look

Top 26% of 16,930 Clothing, Shoes & Jewelry niches · +6 vs the category median of 45

Market size 62Growth 15Conversion 18Competition 99Returns 54Price range 83Avg price 94Brand share 57Review moat 20Quality gap 23
This niche Category average · 16,930 niches

Is 18 Month Boy Pajamas profitable on Amazon?

According to Flapen's Amazon United States niche tracking, 18 Month Boy Pajamas is a $549K/yr Amazon United States market (1.7M searches/yr). The top 5 brands hold 71% of demand. Demand peaks in Feb–Oct–Nov. Verdict: Worth a look — 51/100.

18 Month Boy Pajamas: the Amazon niche in one read

Everything a seller checks before entering, in three answers.

Is the demand real?

Worth a look. Search demand moved -19.8% over the last 90 days and 1.4% of searches end in a purchase.

$549K

revenue / yr

Units sold / yr40K
Search volume / yr-19.8%1.7M
Conversion rate1.4%
Avg price$22.65

Who owns the niche?

The top 5 brands hold 71% of demand, so 29% of the market is open.

29%

open market share

Brands · sellers47 · 46
Top-5 product click share6%
Open market29%
Avg brand age40 months

Is there a way in?

Listing quality. The average product page scores 0/100 on content standards. Incumbents average 4.6★ — the gap to enter on.

0/100

page quality · 468 products

Sponsored placement93%
New entrants (1y)183· 134 succeeded
Avg rating4.6★
Avg reviews12,793

Top 18 Month Boy Pajamas products & what they sell for

Every tracked product — its share of the shelf, its review moat, and what it sells for.

Competition: brands, sellers & click share

Clicks spread well past the top 5 (6% combined) — an open shelf where new products get seen.

$0$5K$11K$16K$22K1001K10K100K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

47 rising

Sellers

46

Top-5 brand share

71%

Top 20: 95%

Top-5 click share

6%

Top 20: 19%

Open market

39%

  • Gerber20%
  • Simple Joys by Carter's19%
  • Amazon Essentials8%
  • Yoofoss8%
  • Burt's Bees Baby4%
  • Onesies Brand3%

18 Month Boy Pajamas demand & seasonality

Weekly search volume, with the niche's key stats alongside.

Volume1.7MCVR1.4%Products468Brands47Top 5 Brands71%OOS Rate5.3%Rating4.6★Reviews12,793Avg BSR#73
50K30KPrime Day '24Spike '24Spike '25Prime Day '25Holiday '25Spike '26SepDecMarJunAugNovMarMay

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

Top 18 Month Boy Pajamas search terms shoppers use

The exact queries shoppers type, with yearly volume, growth and conversion.

  • 12 month boy pajamas151K/yr
  • 12 month girl pajamas151K/yr
  • 18 month boy pajamas140K/yr
  • 18 month girl pajamas123K/yr
  • 3-6 month sleepers124K/yr
  • double zipper onesies64K/yr
  • 6-9 month sleepers81K/yr
  • newborn footie pajamas76K/yr
  • 9-12 month sleepers66K/yr
  • 18 month pajamas68K/yr

What reviews say buyers love and hate about 18 Month Boy Pajamas

What buyers mention most, as a share of all reviews.

What buyers love

70% of reviews
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

What buyers complain about

55% of reviews
Size-Overall22%

Too short

Quality-Overall7%

not well made

Material Quality5%

Cheap material

Thickness5%

Very thick cotton fabric

Zipper Quality4%

Cheap zipper

18 Month Boy Pajamas return rate & reasons

Why buyers send it back, as a share of all return requests.

2.8%

Return rate

70%

Fixable by listing

The "fixable" share counts expectation-mismatch reasons — size, look, advertised-vs-actual — that better copy and images address.

1Size-Overall
52%
2Length
11%
3Material Quality
7%
4Zipper Quality
3%
5Thin
3%

Common 18 Month Boy Pajamas questions

The questions sellers ask about this niche, answered from the tracked metrics.

Flapen scores 18 Month Boy Pajamas 51/100 on Amazon United States — Worth a look. The niche generates $549K/yr across 468 tracked products. 134 of 183 products launched in the last 360 days are still selling. Search demand moved -19.8% over the last 90 days.
Search demand for 18 Month Boy Pajamas on Amazon United States peaks in Feb–Oct–Nov, where the busiest month runs 1.7× the quietest.