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baby leggings 12-18 months

Skip it

A small market ($37K/yr) — this niche doesn't clear our bar today.

Market size 9Growth 10Conversion 16Competition 95Returns 45Price range 70Avg price 81Brand share 60Review moat 22Quality gap 24

Competition

Incredible19%

top-5 click share — an open shelf

Avg price

Great$17.34

avg listing price — sweet spot $15–$100

Price range

Good$5.77–$36.52

cheapest to priciest tracked listing — scored on the share inside $15–$100

Brand share

Good69%

top-5 brand share — brands hold most of the demand

Returns

Okay3.4%

return rate — above 5% kills the launch gate

Quality gap

Bad4.6★

avg incumbent rating — lower means beatable quality

Review moat

Bad9,261.26

avg incumbent reviews — the moat a new listing must climb

Conversion

Bad1.3%

search→purchase rate — share of searches ending in a sale

Growth

Bad-29.4%

90-day search growth — must beat 0% to launch

Market size

Bad$37K

$37K/yr · 163K searches

According to Flapen's Amazon United States niche tracking, baby leggings 12-18 months is a $37K/yr Amazon United States market (163K searches/yr). The top 5 brands hold 69% of demand. Demand peaks in Sep–Oct–Nov. Verdict: Skip it — 40/100.

Data updated Jul 8, 2026 · scored weekly · How we score niches

baby leggings 12-18 months market data

Units sold / yr
3K–3K
avg 0–100/product
Revenue / yr
$43K–$52K
units × avg price
Conversion rate
1.3%
Avg BSR
#53
Page quality
0%
Prime
99%
Sponsored
80%
Out of stock
11.0%
Avg brand age
35 months
Avg seller age
166 days

Competition & brand share

Clicks spread well past the top 5 (19% combined) — an open shelf where new products get seen.

Brands

30 rising

Sellers

33

Top-5 brand share

69%

Top 20: 97%

Top-5 click share

19%

Top 20: 44%

Open market

28%

  • Amazon Essentials29%
  • Simple Joys by Carter's19%
  • The Children's Place9%
  • Gerber8%
  • ZERULETS4%
  • Garanimals3%

Demand & seasonality

Weekly Amazon search volume, last 103 weeks — -29.4% search growth over the last 90 days.
7K5KPrime Day '24Spike '24Spike '25DecMarJunAugNovMarMay

Peak months: Sep, Oct, Nov · busiest ÷ quietest = 5.5×

Top baby leggings 12-18 months search terms

  • baby leggings 12-18 months21K/yr
  • baby leggings 6-9 months girl19K/yr
  • carters pants baby girl9K/yr
  • baby girl pants 12 months10K/yr
  • baby girl leggings 12-18 months15K/yr
  • leggings for baby girls14K/yr
  • newborn bottoms girl5K/yr
  • baby leggings 9-12 months9K/yr
  • baby girl pants set6K/yr
  • baby girls leggings8K/yr
All search terms

Top baby leggings 12-18 months products on Amazon

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

0%2%$7394%$1K6%$2K8%$3K1001K10K100K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 24 tracked products in this niche — three views at once, no toggling.

What buyers say about baby leggings 12-18 months

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

What buyers love

Size-Overall23%

“Fit great”

Quality-Overall14%

“bettering quality than expected”

Color7%

“Great colors”

Soft Feel6%

“Really soft”

Material Quality5%

“Almost a more athletic material which was nice”

Comfort-Overall5%

“Very comfortable”

Value For Money5%

“Very good value for money”

Stretchability/Expandability/Elasticity5%

“Excellent elasticity and quality”

Durability3%

“Great quality and durable”

Warmth2%

“still light enough to stay comfortable on warmer summer days”

What buyers complain about

Size-Overall33%

“Too big”

Thickness9%

“Not thick,”

Stretchability/Expandability/Elasticity5%

“There isnt much stretch”

Material Quality4%

“Didn't care for the generic material appearing fake and shiny”

Transparency4%

“it is not see through”

Waist Fit3%

“Waistband is completely loose”

Thin3%

“Too thin”

Advertised Vs Actual Product3%

“Scammed”

Durability2%

“Falls off”

Quality-Overall2%

“It is unfortunately hard to find clothes with good quality control these days for any age of person”

Top return reasons

Size-Overall48%
Waist Fit18%
Length7%
Material Quality4%
Thigh Fit4%
Color3%
Thin2%
Advertised Vs Actual Product2%
Inseam Fit2%
Quality-Overall2%

Common questions

Is baby leggings 12-18 months profitable to sell on Amazon United States?
The niche generates $37K/yr across 136 tracked products. 21 of 54 products launched in the last 360 days are still selling. 90-day search growth is -29.4%. Flapen's verdict: Skip it (40/100).
How competitive is the baby leggings 12-18 months niche?
30 brands and 33 sellers compete. The top 5 products take 19% of clicks and top 5 brands hold 69% of demand.
What do buyers complain about in baby leggings 12-18 months?
Top complaints mined from reviews: Size-Overall, Thickness, Stretchability/Expandability/Elasticity. The return rate is 3.4%.
When does demand for baby leggings 12-18 months peak?
Demand peaks in Sep–Oct–Nov; the busiest month runs 5.5× the quietest.
What does it cost to enter the baby leggings 12-18 months niche?
Listings span $5.77–$36.52; the average listing price is $17.34 (sweet spot $15–$100). The average incumbent carries 9,261 reviews — the moat a new listing must climb.