shoes size 4
Skip itWeak search conversion (0.1%) — this niche doesn't clear our bar today.
Competition
Incredible15%top-5 click share — an open shelf
Avg price
Incredible$38.21avg listing price — sweet spot $15–$100
Price range
Great$13.96–$82.26cheapest to priciest tracked listing — scored on the share inside $15–$100
Brand share
Okay79%top-5 brand share — brands hold most of the demand
Review moat
Okay2,586.12avg incumbent reviews — the moat a new listing must climb
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Market size
Bad$87K$87K/yr · 2.1M searches
Returns
Bad5.7%return rate — above 5% kills the launch gate
Growth
Bad-10.3%90-day search growth — must beat 0% to launch
Conversion
Bad0.1%search→purchase rate — share of searches ending in a sale
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
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.Peak months: Jul, Aug, Dec · busiest ÷ quietest = 4.1×
Top shoes size 4 search terms
- girls nike shoes421K/yr
- nike shoes for girls387K/yr
- nike girls shoes170K/yr
- tenis nike para nias139K/yr
- girls nike sneakers124K/yr
- girls nike111K/yr
- nike girls90K/yr
- nike shoes girls86K/yr
- nike sneakers for girls71K/yr
- zapatos nike para nias68K/yr
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.
All 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Nike Kids Cosmic Runner Swoosh Hydrogen Blue/White-Pink Glow 4.5Y
Nike$44.844.5★1,496 rev
Nike Little Kids Court Borough Low Recraft Shoes White/Pink Foam 3Y
Nike$50.224.7★6,270 rev
Nike Little Kids Flex Runner 4 Running Shoe Medium Soft Pink/Medium Soft Pink-Pink Foam 3Y
Nike$40.254.5★1,458 rev
Nike Little Kids Court Borough Low Recraft Shoes White/Pink Foam 12C
Nike$51.424.7★6,270 rev
Nike Little Kids Flex Runner 4 Running Shoe Medium Soft Pink/Medium Soft Pink-Pink Foam 2Y
Nike$41.604.5★1,458 rev
Newest
by launch date
Adidas Unisex-Kids Samba Indoor White/None/None 12K
adidas$69.801,800 rev
Adidas Unisex-Kids VL Court 3.0 White/Bliss Pink/Alumina 4
adidas$42.632,161 rev
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$30.39111 rev
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$30.43111 rev
Amazon Essentials Unisex Kids Low Top Hook & Loop Court Sneakers for Boys and Girls Pink/White 12 Little Kid
Amazon Essentials$19.61166 rev
Trending
90-day click momentumProject Cloud Kid Shoes for Girls - Girls Sneakers with Breathable Upper Lightweight Design Memory Foam Insole & Non-Slip Outsole (Lecco_K WHITCOMBO 3)
Project Cloud$30.434.1★
Nike Little Kids Star Runner 5 Running Shoes Chalk/Orange Pulse-Sail-Light Magenta 1Y
Nike$51.794.5★
Nike Kids Court Borough Low Bball White/Blue Crystal-Bright Violet 6Y
Nike$45.754.7★
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$30.394.1★
Nike Kids Court Borough Low Bball White/Shimmer-Chalk-White 4Y
Nike$42.604.7★
What buyers say about shoes size 4
What buyers praise and complain about, mined from review topics.What buyers love
“Great fit”
“Cute and comfy”
“Great quality”
“Worth it”
“It is colored as pictured”
“These shoes are lightweight enough for play”
“they seem to be durable”
“True to order”
“its incredibly easy to wear”
“My daughter can run in these”
What buyers complain about
“Run big”
“Fell Apart Quickly”
“Cheap”
“Expensive”
“too narrow I have to return them”
“Laces are way too long for these shoes”
“Not a fan of bright color”
“Velcro strap is very long”
“Pretty cheap materials”
“Glitter everywhere”
Top return reasons
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.