---
title: "Baby Pants 12-18 Months — $178K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/clothing-shoes-jewelry/baby-pants-12-18-months"
last_updated: "2026-08-09T11:32:00.643Z"
locale: en
meta:
description: "Niche score 46/100 · $178K/yr market · 401K searches/yr · $19.93 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 46/100 · $178K/yr market · 401K searches/yr · $19.93 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Baby Pants 12-18 Months — $178K/yr Amazon US Niche (2026) - Flapen"
---
# **baby pants 12-18 months**
**Skip it**
Soft demand (-35.9% this quarter) — this niche doesn't clear our bar today.
Market size 36Growth 7Conversion 28Competition 97Returns 49Price range 87Avg price 87Brand share 60Review moat 20Quality gap 21
**Competition**
**Incredible****13%**
top-5 click share — an open shelf
**Avg price**
**Great****$19.93**
avg listing price — sweet spot $15–$100
**Price range**
**Great****$10.30–$59.96**
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****3.1%**
return rate — above 5% kills the launch gate
**Market size**
**Okay****$178K**
$178K/yr · 401K searches
**Conversion**
**Okay****2.2%**
search→purchase rate — share of searches ending in a sale
**Quality gap**
**Bad****4.7★**
avg incumbent rating — lower means beatable quality
**Review moat**
**Bad****12,287.91**
avg incumbent reviews — the moat a new listing must climb
**Growth**
**Bad****-35.9%**
90-day search growth — must beat 0% to launch
According to Flapen's Amazon United States niche tracking, baby pants 12-18 months is a $178K/yr Amazon United States market (401K searches/yr). The top 5 brands hold 69% of demand. Demand peaks in Sep–Oct–Nov. Verdict: Skip it — 46/100.
Data updated Jul 8, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **baby pants 12-18 months market data**
- **Units sold / yr**
- **13K–15K**
- avg 0–100/product
- **Revenue / yr**
- **$249K–$299K**
- units × avg price
- **Conversion rate**
- **2.2%**
- **Avg BSR**
- **#83**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **84%**
- **Out of stock**
- **7.5%**
- **Avg brand age**
- **33 months**
- **Avg seller age**
- **151 days**
## **Competition & brand share**
Clicks spread well past the top 5 (13% combined) — an open shelf where new products get seen.
**Brands**
**33 **▲rising
**Sellers**
**34**
**Top-5 brand share**
**69%**
Top 20: 96%
**Top-5 click share**
**13%**
Top 20: 33%
**Open market**
**26%**
- Simple Joys by Carter's28% - Gerber14% - Amazon Essentials14% - DREAM BUS7% - Garanimals6% - The Peanutshell5%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -35.9% search growth over the last 90 days.
18K13KPrime Day '24Spike '24Prime Day '25Spike '25 seasonSepDecMarJunAugNovMarMay
Peak months: Sep, Oct, Nov · busiest ÷ quietest = 3.6×
[**Open Trend **](https://flapen.com/research/us/clothing-shoes-jewelry/baby-pants-12-18-months/trend)
## **Top baby pants 12-18 months search terms**
- **baby pants 12-18 months**34K/yr-13.9%1.5% conv. - **12 month boy pants**38K/yr-31.6%3.3% conv. - **12 month pants**27K/yr-19.5%2.5% conv. - **18 month pants**30K/yr-32.3%2.6% conv. - **18 month boy pants**35K/yr-42.4%3.4% conv. - **6-9 month pants**17K/yr-25.4%2.0% conv. - **baby boy joggers**19K/yr-17.6%0.3% conv. - **6-9 month boy pants**26K/yr-59.8%2.5% conv. - **baby boy pants 12-18 months**22K/yr-18.6%1.9% conv. - **24 month boy pants**24K/yr-48.1%2.3% conv. [**All search terms **](https://flapen.com/research/us/clothing-shoes-jewelry/baby-pants-12-18-months/search-terms)
## **Top baby pants 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%1%$2K2%$4K3%$5K4%$7K101001K10K100K 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**Simple Joys Baby Boys 4-pack pant Pants Blue/Grey 18 Months**Simple Joys by Carter's**$16.72**4.8★67,716 rev](https://www.amazon.com/dp/B01MDUH9PG) [2**Simple Joys by Carters Baby Boys 4-Pack Cotton Pants**Simple Joys by Carter's**$16.39**4.8★67,716 rev](https://www.amazon.com/dp/B08XWJJPFK) [3**DREAM BUS Pack of 3 Toddler Jogger Pants with Pocket Toddler Boy Sweatpants Baby Boy Pants Infant Newborn Leggings**DREAM BUS**$19.43**4.7★266 rev](https://www.amazon.com/dp/B0CNYH77K8) [4**Simple Joys Baby Boys 4-pack pant Pants Blue/Grey 12 Months**Simple Joys by Carter's**$17.44**4.8★67,716 rev](https://www.amazon.com/dp/B01M35CY4X) [5**Ashmyova Classic Casual Pants for Boys Thin Cotton Stripe Elastics Waist Spring Summer Trousers Toddler Long Pants 2Pcs Black/Khaki Size 12-18 Months**Ashmyova**$17.98**4.6★350 rev](https://www.amazon.com/dp/B0DPZTYZYB)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Simple Joys Baby Boys 4-pack pant Pants Blue/Grey 18 Months**Simple Joys by Carter's**$16.72**67,716 rev2mo ago](https://www.amazon.com/dp/B01MDUH9PG) [**Simple Joys by Carters Baby Boys 4-Pack Cotton Pants**Simple Joys by Carter's**$16.39**67,716 rev2mo ago](https://www.amazon.com/dp/B08XWJJPFK) [**Simple Joys Baby Boys 4-pack pant Pants Blue/Grey 12 Months**Simple Joys by Carter's**$17.44**67,716 rev2mo ago](https://www.amazon.com/dp/B01M35CY4X) [**Simple Joys Baby Boys 4-pack pant Pants Grey/Blue/Red Side Stripe 18 Months**Simple Joys by Carter's**$16.70**67,716 rev2mo ago](https://www.amazon.com/dp/B01MDUHNQR) [**Simple Joys by Carters Baby 3-Pack Thermal Pants Beige/Dark Grey/Grey Preemie**Simple Joys by Carter's**$13.09**3,444 rev2mo ago](https://www.amazon.com/dp/B093TNNMKX)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Amazon Essentials x Sofia Grainge Baby Boys Nylon Parachute Pants Dark Olive 18 Months**Amazon Essentials**$12.86**4.4★**▲ 100%**](https://www.amazon.com/dp/B0DN22XMPJ) [**Simple Joys by Carters Baby 4-pack Pant black/grey/navy/mint 18 Months**Simple Joys by Carter's**$17.11**4.8★**▲ 98%**](https://www.amazon.com/dp/B0744LY864) [**Garanimals Baby Boy Solid Jogger Pants - Machine-Washable Kids Clothes - Size 18 Months - Black Navy Blue Medium Grey Dark Green - 4 Pack Set**Garanimals**$27.76**4.7★**▲ 98%**](https://www.amazon.com/dp/B0G451HL61) [**Butterblu Jordan 4-Pack Jogger Pants 100% Organic Cotton Bottoms for Boys & Girls Seafoam 3-6 Months**Butterblu**$25.89**4.7★**▲ 84%**](https://www.amazon.com/dp/B0FQRLHC3K) [**JARMAKO Baby Boys Cotton Pants Sweatpants Shadow Crew 12-18 Months**JARMAKO**$19.93**4.7★**▲ 83%**](https://www.amazon.com/dp/B0FM79V4XZ)
**~~View all trending →~~**
## **What buyers say about baby pants 12-18 months**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Size-Overall**19%
*“not too tight”*
**Quality-Overall**13%
*“Good quality”*
**Soft Feel**9%
*“Soft and stretchy”*
**Comfort-Overall**7%
*“Fits comfortably”*
**Material Quality**5%
*“The material feels lightweight”*
**Stretchability/Expandability/Elasticity**5%
*“great stretch”*
**Color**4%
*“The colors are beautiful”*
**Durability**3%
*“Good looking and durable”*
**Value For Money**3%
*“Great value”*
**Thickness**3%
*“Super thick good quality”*
### **What buyers complain about **
**Size-Overall**29%
*“Too small”*
**Thickness**10%
*“Too thin, rips easily”*
**Waist Fit**4%
*“Runs big in length and waist”*
**Material Quality**3%
*“Didn't care for the generic material appearing fake and shiny”*
**Stretchability/Expandability/Elasticity**3%
*“not super elastic”*
**Transparency**2%
*“See through”*
**Quality-Overall**2%
*“Just not the best”*
**Thin**2%
*“Thin material”*
**Color**2%
*“the black one isn't very fashionable”*
**Thigh Fit**2%
*“These are really tight in the legs, which is not what I expected from U shaped pants, slightly long and surprisingly thin”*
### **Top return reasons **
**Size-Overall**53%
**Waist Fit**10%
**Length**6%
**Material Quality**5%
**Thin**4%
**Inseam Fit**4%
**Color**3%
**Advertised Vs Actual Product**2%
**Thigh Fit**2%
**Quality-Overall**2%
## **Common questions**
- **Is baby pants 12-18 months profitable to sell on Amazon United States?**
- The niche generates $178K/yr across 192 tracked products. 37 of 99 products launched in the last 360 days are still selling. 90-day search growth is -35.9%. Flapen's verdict: Skip it (46/100).
- **How competitive is the baby pants 12-18 months niche?**
- 33 brands and 34 sellers compete. The top 5 products take 13% of clicks and top 5 brands hold 69% of demand.
- **What do buyers complain about in baby pants 12-18 months?**
- Top complaints mined from reviews: Size-Overall, Thickness, Waist Fit. The return rate is 3.1%.
- **When does demand for baby pants 12-18 months peak?**
- Demand peaks in Sep–Oct–Nov; the busiest month runs 3.6× the quietest.
- **What does it cost to enter the baby pants 12-18 months niche?**
- Listings span $10.30–$59.96; the average listing price is $19.93 (sweet spot $15–$100). The average incumbent carries 12,288 reviews — the moat a new listing must climb.
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