---
title: "Baby Leggings 12-18 Months — $37K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/clothing-shoes-jewelry/baby-leggings-12-18-months"
last_updated: "2026-08-09T11:32:43.780Z"
locale: en
meta:
  description: "Niche score 40/100 · $37K/yr market · 163K searches/yr · $17.34 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:description": "Niche score 40/100 · $37K/yr market · 163K searches/yr · $17.34 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:title": "Baby Leggings 12-18 Months — $37K/yr Amazon US Niche (2026) - Flapen"
---

# **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**

**Incredible****19%**

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**

**Good****69%**

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

**Returns**

**Okay****3.4%**

return rate — above 5% kills the launch gate

**Quality gap**

**Bad****4.6★**

avg incumbent rating — lower means beatable quality

**Review moat**

**Bad****9,261.26**

avg incumbent reviews — the moat a new listing must climb

**Conversion**

**Bad****1.3%**

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 ~~](https://flapen.com/research/methodology)

## **baby leggings 12-18 months market data**

<dl>

<dt>**Units sold / yr**</dt><dd>**3K–3K**</dd><dd>avg 0–100/product</dd>

<dt>**Revenue / yr**</dt><dd>**$43K–$52K**</dd><dd>units × avg price</dd>

<dt>**Conversion rate**</dt><dd>**1.3%**</dd>

<dt>**Avg BSR**</dt><dd>**#53**</dd>

<dt>**Page quality**</dt><dd>**0%**</dd>

<dt>**Prime**</dt><dd>**99%**</dd>

<dt>**Sponsored**</dt><dd>**80%**</dd>

<dt>**Out of stock**</dt><dd>**11.0%**</dd>

<dt>**Avg brand age**</dt><dd>**35 months**</dd>

<dt>**Avg seller age**</dt><dd>**166 days**</dd>

</dl>

## **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 '25 seasonDecMarJunAugNovMarMay

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

[**Open Trend **](https://flapen.com/research/us/clothing-shoes-jewelry/baby-leggings-12-18-months/trend)

## **Top baby leggings 12-18 months search terms**

- **baby leggings 12-18 months**21K/yr-30.9%1.9% conv. - **baby leggings 6-9 months girl**19K/yr-48.8%1.5% conv. - **carters pants baby girl**9K/yr-24.8%0.4% conv. - **baby girl pants 12 months**10K/yr-37.9%2.0% conv. - **baby girl leggings 12-18 months**15K/yr-33.0%1.7% conv. - **leggings for baby girls**14K/yr-40.9%0.6% conv. - **newborn bottoms girl**5K/yr+22.3%0.5% conv. - **baby leggings 9-12 months**9K/yr-22.9%1.7% conv. - **baby girl pants set**6K/yr+31.0%0.0% conv. - **baby girls leggings**8K/yr-17.7%0.2% conv. [**All search terms **](https://flapen.com/research/us/clothing-shoes-jewelry/baby-leggings-12-18-months/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 moatMarket 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.

### **Top sellers**

by 90-day click share

[1![Amazon Essentials Baby Girls Legging Pack of 3 Ivory/Pink/Terracotta 6-9 Months](https://m.media-amazon.com/images/I/313MTzH5dCL.jpg)**Amazon Essentials Baby Girls Legging Pack of 3 Ivory/Pink/Terracotta 6-9 Months**Amazon Essentials**$15.41**4.4★805 rev](https://www.amazon.com/dp/B0DB116YWV) [2![Amazon Essentials Baby Girls Legging Pack of 3 Ivory/Pink/Terracotta 18 Months](https://m.media-amazon.com/images/I/313MTzH5dCL.jpg)**Amazon Essentials Baby Girls Legging Pack of 3 Ivory/Pink/Terracotta 18 Months**Amazon Essentials**$15.40**4.4★805 rev](https://www.amazon.com/dp/B0D9ZSBT3N) [3![Amazon Essentials Baby Girls Legging Pack of 3 Floral/Ivory/Terracotta 18 Months](https://m.media-amazon.com/images/I/31WwyQ1gQjL.jpg)**Amazon Essentials Baby Girls Legging Pack of 3 Floral/Ivory/Terracotta 18 Months**Amazon Essentials**$14.53**4.4★805 rev](https://www.amazon.com/dp/B0D9ZN8JR3) [4![Amazon Essentials Baby Girls Legging Pack of 3 Ivory/Pink/Terracotta 12 Months](https://m.media-amazon.com/images/I/313MTzH5dCL.jpg)**Amazon Essentials Baby Girls Legging Pack of 3 Ivory/Pink/Terracotta 12 Months**Amazon Essentials**$15.42**4.4★805 rev](https://www.amazon.com/dp/B0D9ZMY17G) [5![Fullfamous Baby Infant Girl Pants Clothes Cotton Ribbed 5 Pack Clothing Outfits Leggings Black/White/Grey Marl/Pink/Purple 6-12 Months](https://m.media-amazon.com/images/I/41liWCQMuxL.jpg)**Fullfamous Baby Infant Girl Pants Clothes Cotton Ribbed 5 Pack Clothing Outfits Leggings Black/White/Grey Marl/Pink/Purple 6-12 Months**Fullfamous**$21.39**4.6★401 rev](https://www.amazon.com/dp/B0DRCYZP7N)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![Simple Joys Baby Girls 4 pack pant Pants Pink/Grey 12 Months](https://m.media-amazon.com/images/I/41kq2+bQhEL.jpg)**Simple Joys Baby Girls 4 pack pant Pants Pink/Grey 12 Months**Simple Joys by Carter's**$16.77**37,938 rev2mo ago](https://www.amazon.com/dp/B01MDUHP50) [![Simple Joys by Carters Baby 4-pack Pant navy grey dot pink floral 18 Months](https://m.media-amazon.com/images/I/41ApWiE74WL.jpg)**Simple Joys by Carters Baby 4-pack Pant navy grey dot pink floral 18 Months**Simple Joys by Carter's**$15.21**37,938 rev2mo ago](https://www.amazon.com/dp/B073WMJ2KZ) [![Simple Joys by Carters Baby Girls 4-Pack Cotton Pants](https://m.media-amazon.com/images/I/412OtbULDdL.jpg)**Simple Joys by Carters Baby Girls 4-Pack Cotton Pants**Simple Joys by Carter's**$15.93**37,938 rev2mo ago](https://www.amazon.com/dp/B08XWNFQMG) [![Simple Joys by Carters Baby Girls 4-Pack Cotton Pants](https://m.media-amazon.com/images/I/412OtbULDdL.jpg)**Simple Joys by Carters Baby Girls 4-Pack Cotton Pants**Simple Joys by Carter's**$15.66**37,938 rev2mo ago](https://www.amazon.com/dp/B08XWBQ2P4) [![Simple Joys by Carters Baby Girls 4-Pack Cotton Pants](https://m.media-amazon.com/images/I/412OtbULDdL.jpg)**Simple Joys by Carters Baby Girls 4-Pack Cotton Pants**Simple Joys by Carter's**$16.18**37,938 rev2mo ago](https://www.amazon.com/dp/B08XW1H2D5)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![Simple Joys by Carters Baby Girls 4-Pack Cotton Pants](https://m.media-amazon.com/images/I/412OtbULDdL.jpg)**Simple Joys by Carters Baby Girls 4-Pack Cotton Pants**Simple Joys by Carter's**$15.66**4.8★**▲ 97%**](https://www.amazon.com/dp/B08XWBQ2P4) [![Amazon Essentials Baby Girls Leggings Pack of 3 Pink/Apples 12 Months](https://m.media-amazon.com/images/I/31cpV3fEMdL.jpg)**Amazon Essentials Baby Girls Leggings Pack of 3 Pink/Apples 12 Months**Amazon Essentials**$11.57**4.6★**▲ 88%**](https://www.amazon.com/dp/B0F5JFMLV6) [![Amazon Essentials Baby Girls Legging Pack of 3 Ivory/Pink/Terracotta 6-9 Months](https://m.media-amazon.com/images/I/313MTzH5dCL.jpg)**Amazon Essentials Baby Girls Legging Pack of 3 Ivory/Pink/Terracotta 6-9 Months**Amazon Essentials**$15.41**4.4★**▲ 88%**](https://www.amazon.com/dp/B0DB116YWV) [![Simple Joys by Carters Baby Girls 4-Pack Cotton Pants](https://m.media-amazon.com/images/I/412OtbULDdL.jpg)**Simple Joys by Carters Baby Girls 4-Pack Cotton Pants**Simple Joys by Carter's**$15.93**4.8★**▲ 87%**](https://www.amazon.com/dp/B08XWNFQMG) [![Amazon Essentials Baby Girls Leggings Pack of 3 Pink/Apples 18 Months](https://m.media-amazon.com/images/I/31cpV3fEMdL.jpg)**Amazon Essentials Baby Girls Leggings Pack of 3 Pink/Apples 18 Months**Amazon Essentials**$12.55**4.6★**▲ 87%**](https://www.amazon.com/dp/B0F5JCCK9J)

**~~View all trending →~~**

## **What buyers say about baby leggings 12-18 months**

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

### **What buyers love **

**Size-Overall**23%

*“Fit great”*

**Quality-Overall**14%

*“bettering quality than expected”*

**Color**7%

*“Great colors”*

**Soft Feel**6%

*“Really soft”*

**Material Quality**5%

*“Almost a more athletic material which was nice”*

**Comfort-Overall**5%

*“Very comfortable”*

**Value For Money**5%

*“Very good value for money”*

**Stretchability/Expandability/Elasticity**5%

*“Excellent elasticity and quality”*

**Durability**3%

*“Great quality and durable”*

**Warmth**2%

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

### **What buyers complain about **

**Size-Overall**33%

*“Too big”*

**Thickness**9%

*“Not thick,”*

**Stretchability/Expandability/Elasticity**5%

*“There isnt much stretch”*

**Material Quality**4%

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

**Transparency**4%

*“it is not see through”*

**Waist Fit**3%

*“Waistband is completely loose”*

**Thin**3%

*“Too thin”*

**Advertised Vs Actual Product**3%

*“Scammed”*

**Durability**2%

*“Falls off”*

**Quality-Overall**2%

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

### **Top return reasons **

**Size-Overall**48%

**Waist Fit**18%

**Length**7%

**Material Quality**4%

**Thigh Fit**4%

**Color**3%

**Thin**2%

**Advertised Vs Actual Product**2%

**Inseam Fit**2%

**Quality-Overall**2%

## **Common questions**

<dl>

<dt>**Is baby leggings 12-18 months profitable to sell on Amazon United States?**</dt><dd>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).</dd>

<dt>**How competitive is the baby leggings 12-18 months niche?**</dt><dd>30 brands and 33 sellers compete. The top 5 products take 19% of clicks and top 5 brands hold 69% of demand.</dd>

<dt>**What do buyers complain about in baby leggings 12-18 months?**</dt><dd>Top complaints mined from reviews: Size-Overall, Thickness, Stretchability/Expandability/Elasticity. The return rate is 3.4%.</dd>

<dt>**When does demand for baby leggings 12-18 months peak?**</dt><dd>Demand peaks in Sep–Oct–Nov; the busiest month runs 5.5× the quietest.</dd>

<dt>**What does it cost to enter the baby leggings 12-18 months niche?**</dt><dd>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.</dd>

</dl>

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