---
title: "Shoes Size 4 — $87K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/clothing-shoes-jewelry/shoes-size-4"
last_updated: "2026-08-10T19:46:26.454Z"
locale: en
meta:
description: "Niche score 42/100 · $87K/yr market · 2.1M searches/yr · $38.21 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 42/100 · $87K/yr market · 2.1M searches/yr · $38.21 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Shoes Size 4 — $87K/yr Amazon US Niche (2026) - Flapen"
---
# **shoes size 4**
**Skip it**
Weak search conversion (0.1%) — this niche doesn't clear our bar today.
Market size 22Growth 20Conversion 1Competition 96Returns 22Price range 94Avg price 95Brand share 44Review moat 39Quality gap 37
**Competition**
**Incredible****15%**
top-5 click share — an open shelf
**Avg price**
**Incredible****$38.21**
avg listing price — sweet spot $15–$100
**Price range**
**Great****$13.96–$82.26**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Brand share**
**Okay****79%**
top-5 brand share — brands hold most of the demand
**Review moat**
**Okay****2,586.12**
avg incumbent reviews — the moat a new listing must climb
**Quality gap**
**Okay****4.5★**
avg incumbent rating — lower means beatable quality
**Market size**
**Bad****$87K**
$87K/yr · 2.1M searches
**Returns**
**Bad****5.7%**
return rate — above 5% kills the launch gate
**Growth**
**Bad****-10.3%**
90-day search growth — must beat 0% to launch
**Conversion**
**Bad****0.1%**
search→purchase rate — share of searches ending in a sale
**Signals**[** High Returns**](https://flapen.com/research/niches?market=us&signal=high_returns "Return rate > 5%")
According to Flapen's Amazon United States niche tracking, shoes size 4 is a $87K/yr Amazon United States market (2.1M searches/yr). The top 5 brands hold 79% of demand. Demand peaks in Jul–Aug–Dec. Verdict: Skip it — 42/100.
Data updated Jul 10, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **shoes size 4 market data**
- **Units sold / yr**
- **3K–3K**
- avg 0–100/product
- **Revenue / yr**
- **$96K–$115K**
- units × avg price
- **Conversion rate**
- **0.1%**
- **Avg BSR**
- **#611**
- **Page quality**
- **0%**
- **Prime**
- **99%**
- **Sponsored**
- **84%**
- **Out of stock**
- **13.8%**
- **Avg brand age**
- **36 months**
- **Avg seller age**
- **117 days**
## **Competition & brand share**
Clicks spread well past the top 5 (15% combined) — an open shelf where new products get seen.
**Brands**
**26 **▲rising
**Sellers**
**222**
**Top-5 brand share**
**79%**
Top 20: 99%
**Top-5 click share**
**15%**
Top 20: 36%
**Open market**
**18%**
- Nike52% - Project Cloud12% - adidas7% - Amazon Essentials5% - Yadurdu3% - Josmo3%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -10.3% search growth over the last 90 days.
150K100KPrime Day '24Holiday '24Prime Day '25Spike '25Black Friday '25Holiday '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Jul, Aug, Dec · busiest ÷ quietest = 4.1×
[**Open Trend **](https://flapen.com/research/us/clothing-shoes-jewelry/shoes-size-4/trend)
## **Top shoes size 4 search terms**
- **girls nike shoes**421K/yr-12.9%0.1% conv. - **nike shoes for girls**387K/yr-32.0%0.1% conv. - **nike girls shoes**170K/yr+4.3%0.1% conv. - **tenis nike para nias**139K/yr+4.6%0.0% conv. - **girls nike sneakers**124K/yr-3.4%0.1% conv. - **girls nike**111K/yr-4.0%0.1% conv. - **nike girls**90K/yr-0.5%0.1% conv. - **nike shoes girls**86K/yr+1.2%0.1% conv. - **nike sneakers for girls**71K/yr+7.7%0.1% conv. - **zapatos nike para nias**68K/yr-1.2%0.0% conv. [**All search terms **](https://flapen.com/research/us/clothing-shoes-jewelry/shoes-size-4/search-terms)
## **Top shoes size 4 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%$8662%$2K3%$3K4%$3K1001K10K 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**Nike Kids Cosmic Runner Swoosh Hydrogen Blue/White-Pink Glow 4.5Y**Nike**$44.84**4.5★1,496 rev](https://www.amazon.com/dp/B0FQN6RPHF) [2**Nike Little Kids Court Borough Low Recraft Shoes White/Pink Foam 3Y**Nike**$50.22**4.7★6,270 rev](https://www.amazon.com/dp/B0C4PHHPP8) [3**Nike Little Kids Flex Runner 4 Running Shoe Medium Soft Pink/Medium Soft Pink-Pink Foam 3Y**Nike**$40.25**4.5★1,458 rev](https://www.amazon.com/dp/B0F17VK51B) [4**Nike Little Kids Court Borough Low Recraft Shoes White/Pink Foam 12C**Nike**$51.42**4.7★6,270 rev](https://www.amazon.com/dp/B0C862PRTG) [5**Nike Little Kids Flex Runner 4 Running Shoe Medium Soft Pink/Medium Soft Pink-Pink Foam 2Y**Nike**$41.60**4.5★1,458 rev](https://www.amazon.com/dp/B0F1781TVM)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Adidas Unisex-Kids Samba Indoor White/None/None 12K**adidas**$69.80**1,800 rev1mo ago](https://www.amazon.com/dp/B0CKMC5YTB) [**Adidas Unisex-Kids VL Court 3.0 White/Bliss Pink/Alumina 4**adidas**$42.63**2,161 rev1mo ago](https://www.amazon.com/dp/B0CMBY29P5) [**Project Cloud Kid Shoes for Girls - Girls Sneakers with Breathable Upper Lightweight Design Memory Foam Insole & Non-Slip Outsole (Lecco_K WHITCOMBO 4)**Project Cloud**$30.39**111 rev3mo ago](https://www.amazon.com/dp/B0G99BFQH4) [**Project Cloud Kid Shoes for Girls - Girls Sneakers with Breathable Upper Lightweight Design Memory Foam Insole & Non-Slip Outsole (Lecco_K WHITCOMBO 3)**Project Cloud**$30.43**111 rev3mo ago](https://www.amazon.com/dp/B0G99LZY1T) [**Amazon Essentials Unisex Kids Low Top Hook & Loop Court Sneakers for Boys and Girls Pink/White 12 Little Kid**Amazon Essentials**$19.61**166 rev6mo ago](https://www.amazon.com/dp/B0F7M546QX)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Project Cloud Kid Shoes for Girls - Girls Sneakers with Breathable Upper Lightweight Design Memory Foam Insole & Non-Slip Outsole (Lecco_K WHITCOMBO 3)**Project Cloud**$30.43**4.1★**▲ 63%**](https://www.amazon.com/dp/B0G99LZY1T) [**Nike Little Kids Star Runner 5 Running Shoes Chalk/Orange Pulse-Sail-Light Magenta 1Y**Nike**$51.79**4.5★**▲ 62%**](https://www.amazon.com/dp/B0FQN64NJS) [**Nike Kids Court Borough Low Bball White/Blue Crystal-Bright Violet 6Y**Nike**$45.75**4.7★**▲ 62%**](https://www.amazon.com/dp/B0FQN3RLLY) [**Project Cloud Kid Shoes for Girls - Girls Sneakers with Breathable Upper Lightweight Design Memory Foam Insole & Non-Slip Outsole (Lecco_K WHITCOMBO 4)**Project Cloud**$30.39**4.1★**▲ 62%**](https://www.amazon.com/dp/B0G99BFQH4) [**Nike Kids Court Borough Low Bball White/Shimmer-Chalk-White 4Y**Nike**$42.60**4.7★**▲ 61%**](https://www.amazon.com/dp/B0FQNC6P57)
**~~View all trending →~~**
## **What buyers say about shoes size 4**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Size-Overall**26%
*“Great fit”*
**Comfort-Overall**22%
*“Cute and comfy”*
**Quality-Overall**7%
*“Great quality”*
**Value For Money**7%
*“Worth it”*
**Color**4%
*“It is colored as pictured”*
**Weight Light**4%
*“These shoes are lightweight enough for play”*
**Durability**3%
*“they seem to be durable”*
**Advertised Vs Actual Product**3%
*“True to order”*
**Ease Of Use**3%
*“its incredibly easy to wear”*
**Exercise/Sports Suitability**3%
*“My daughter can run in these”*
### **What buyers complain about **
**Size-Overall**26%
*“Run big”*
**Durability**12%
*“Fell Apart Quickly”*
**Quality-Overall**8%
*“Cheap”*
**Value For Money**4%
*“Expensive”*
**Width**3%
*“too narrow I have to return them”*
**Length**2%
*“Laces are way too long for these shoes”*
**Color**2%
*“Not a fan of bright color”*
**Strap/String Quality**2%
*“Velcro strap is very long”*
**Material Quality**2%
*“Pretty cheap materials”*
**Brightness/Shine/Glow**2%
*“Glitter everywhere”*
### **Top return reasons **
**Size-Overall**41%
**Feet Fit**29%
**Length**10%
**Width**7%
**Advertised Vs Actual Product**3%
**Color**2%
**Value For Money**1%
**Comfort-Overall**1%
**Shape/Style**1%
**Material Quality**1%
## **Common questions**
- **Is shoes size 4 profitable to sell on Amazon United States?**
- The niche generates $87K/yr across 186 tracked products. 29 of 79 products launched in the last 360 days are still selling. 90-day search growth is -10.3%. Flapen's verdict: Skip it (42/100).
- **How competitive is the shoes size 4 niche?**
- 26 brands and 222 sellers compete. The top 5 products take 15% of clicks and top 5 brands hold 79% of demand.
- **What do buyers complain about in shoes size 4?**
- Top complaints mined from reviews: Size-Overall, Durability, Quality-Overall. The return rate is 5.7% — above our launch gate.
- **When does demand for shoes size 4 peak?**
- Demand peaks in Jul–Aug–Dec; the busiest month runs 4.1× the quietest.
- **What does it cost to enter the shoes size 4 niche?**
- Listings span $13.96–$82.26; the average listing price is $38.21 (sweet spot $15–$100). The average incumbent carries 2,586 reviews — the moat a new listing must climb.
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