---
title: "Samurai Insoles Ninjas — $153K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/health-household/samurai-insoles-ninjas"
last_updated: "2026-08-11T09:00:52.795Z"
locale: en
meta:
description: "Niche score 40/100 · $153K/yr market · 94K searches/yr · $28.12 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 40/100 · $153K/yr market · 94K searches/yr · $28.12 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Samurai Insoles Ninjas — $153K/yr Amazon US Niche (2026) - Flapen"
---
# **samurai insoles ninjas**
**Skip it**
A concentrated shelf (top 5 take 100% of clicks) — this niche doesn't clear our bar today.
Market size 33Growth 37Conversion 65Competition 0Returns 48Price range 95Avg price 95Brand share 0Review moat 14Quality gap 83
**Avg price**
**Incredible****$28.12**
avg listing price — sweet spot $15–$100
**Price range**
**Incredible****$17.61–$34.81**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Quality gap**
**Great****4.2★**
avg incumbent rating — lower means beatable quality
**Conversion**
**Good****5.8%**
search→purchase rate — share of searches ending in a sale
**Returns**
**Okay****3.1%**
return rate — above 5% kills the launch gate
**Growth**
**Okay****+9.5%**
90-day search growth — must beat 0% to launch
**Market size**
**Okay****$153K**
$153K/yr · 94K searches
**Review moat**
**Bad****24,798.8**
avg incumbent reviews — the moat a new listing must climb
**Competition**
**Bad****100%**
top-5 click share — a locked-up shelf
**Brand share**
**Bad****100%**
top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, samurai insoles ninjas is a $153K/yr Amazon United States market (94K searches/yr). The top 5 brands hold 100% of demand. Verdict: Skip it — 40/100.
Data updated Jul 20, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **samurai insoles ninjas market data**
- **Units sold / yr**
- **4K–5K**
- avg 750–1,000/product
- **Revenue / yr**
- **$112K–$141K**
- units × avg price
- **Conversion rate**
- **5.8%**
- **Avg BSR**
- **#77**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **40%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **55 months**
- **Avg seller age**
- **168 days**
## **Competition & brand share**
The top 5 products capture 100% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**4 **—flat
**Sellers**
**8**
**Top-5 brand share**
**100%**
Top 20: 100%
**Top-5 click share**
**100%**
Top 20: 100%
**Open market**
**0%**
- Samurai Insoles85% - WALK·HERO COMFORT AND SUPPORT7% - Fit Geno6% - Psveb2%
## **Demand & seasonality**
Weekly Amazon search volume, last 103 weeks — +9.5% search growth over the last 90 days.
2K2KSpike '25Black Friday '25Spike '26 seasonDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.2×
[**Open Trend **](https://flapen.com/research/us/health-household/samurai-insoles-ninjas/trend)
## **Top samurai insoles ninjas search terms**
- **samurai insoles ninjas plantar fasciitis relief**35K/yr+41.6%4.5% conv. - **samurai insoles ninjas**45K/yr-11.2%4.2% conv. - **samurai insoles**11K/yr+3.1%1.7% conv. - **ninja insoles**3K/yr+42.1%3.0% conv. [**All search terms **](https://flapen.com/research/us/health-household/samurai-insoles-ninjas/search-terms)
## **Top samurai insoles ninjas 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%15%$23K30%$46K45%$69K60%$92K101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 5 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Samurai Insoles Ninjas Plantar Fasciitis Relief Insoles - Podiatrist Designed Orthotic Lab Made in the USA Arch Support Shoe Insert for Mens 10-10.5 or Womens 12-12.5**Samurai Insoles**$34.81**3.8★24,214 rev](https://www.amazon.com/dp/B076K8X5YV) [2**Samurai Insoles Ninjas Plantar Fasciitis Relief Insoles - Podiatrist Designed Orthotic Lab Made in the USA Arch Support Shoe Insert for Mens 6-6.5 or Womens 8-8.5**Samurai Insoles**$34.54**3.8★24,214 rev](https://www.amazon.com/dp/B076K137TT) [3**Plantar Fasciitis Relief - Arch Support Insoles for Men Women Shoe Inserts for Flat Feet Orthotics Insoles All-Day Energy and Comfort with Every Step (Mens 11-11 1/2 | Womens 13-13 1/2)**WALK·HERO COMFORT AND SUPPORT**$17.61**4.3★74,733 rev](https://www.amazon.com/dp/B075YFD7GV) [4**Arch Support Plantar Fasciitis Insoles: (Womens 12-13 / Mens 10-11)**Fit Geno**$29.49**4.5★18 rev](https://www.amazon.com/dp/B0G4SFGH3X) [5**Professional Heavy Duty Support Pain Relief Orthotics - Over 230+ lbs Plantar Fasciitis Medium Arch Support Insoles for Women and Men Flat Feet Orthotic Insert Work Boot Shoe Insole**Psveb**$24.16**4.5★815 rev](https://www.amazon.com/dp/B0G1RBBVYR)
### **Newest**
by launch date
[**Professional Heavy Duty Support Pain Relief Orthotics - Over 230+ lbs Plantar Fasciitis Medium Arch Support Insoles for Women and Men Flat Feet Orthotic Insert Work Boot Shoe Insole**Psveb**$24.16**815 rev5mo ago](https://www.amazon.com/dp/B0G1RBBVYR) [**Arch Support Plantar Fasciitis Insoles: (Womens 12-13 / Mens 10-11)**Fit Geno**$29.49**18 rev7mo ago](https://www.amazon.com/dp/B0G4SFGH3X) [**Samurai Insoles Ninjas Plantar Fasciitis Relief Insoles - Podiatrist Designed Orthotic Lab Made in the USA Arch Support Shoe Insert for Mens 6-6.5 or Womens 8-8.5**Samurai Insoles**$34.54**24,214 rev8y ago](https://www.amazon.com/dp/B076K137TT) [**Samurai Insoles Ninjas Plantar Fasciitis Relief Insoles - Podiatrist Designed Orthotic Lab Made in the USA Arch Support Shoe Insert for Mens 10-10.5 or Womens 12-12.5**Samurai Insoles**$34.81**24,214 rev8y ago](https://www.amazon.com/dp/B076K8X5YV) [**Plantar Fasciitis Relief - Arch Support Insoles for Men Women Shoe Inserts for Flat Feet Orthotics Insoles All-Day Energy and Comfort with Every Step (Mens 11-11 1/2 | Womens 13-13 1/2)**WALK·HERO COMFORT AND SUPPORT**$17.61**74,733 rev8y ago](https://www.amazon.com/dp/B075YFD7GV)
### **Trending**
90-day click momentum
[**Professional Heavy Duty Support Pain Relief Orthotics - Over 230+ lbs Plantar Fasciitis Medium Arch Support Insoles for Women and Men Flat Feet Orthotic Insert Work Boot Shoe Insole**Psveb**$24.16**4.5★**▲ 159%**](https://www.amazon.com/dp/B0G1RBBVYR) [**Arch Support Plantar Fasciitis Insoles: (Womens 12-13 / Mens 10-11)**Fit Geno**$29.49**4.5★**▲ 133%**](https://www.amazon.com/dp/B0G4SFGH3X) [**Plantar Fasciitis Relief - Arch Support Insoles for Men Women Shoe Inserts for Flat Feet Orthotics Insoles All-Day Energy and Comfort with Every Step (Mens 11-11 1/2 | Womens 13-13 1/2)**WALK·HERO COMFORT AND SUPPORT**$17.61**4.3★**— 6%**](https://www.amazon.com/dp/B075YFD7GV) [**Samurai Insoles Ninjas Plantar Fasciitis Relief Insoles - Podiatrist Designed Orthotic Lab Made in the USA Arch Support Shoe Insert for Mens 6-6.5 or Womens 8-8.5**Samurai Insoles**$34.54**3.8★**— 0%**](https://www.amazon.com/dp/B076K137TT) [**Samurai Insoles Ninjas Plantar Fasciitis Relief Insoles - Podiatrist Designed Orthotic Lab Made in the USA Arch Support Shoe Insert for Mens 10-10.5 or Womens 12-12.5**Samurai Insoles**$34.81**3.8★**▼ 11%**](https://www.amazon.com/dp/B076K8X5YV)
## **What buyers say about samurai insoles ninjas**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Comfort-Overall**24%
*“Comfortable and Supportive”*
**Quality-Overall**18%
*“Overall build quality seems excellent”*
**Size-Overall**14%
*“Fit great”*
**Value For Money**7%
*“Good Value”*
**Pain Relief-Overall**5%
*“Great pain relief trust this”*
**Ease Of Use**4%
*“Easy to use”*
**Heel Spurs/Plantar Fasciitis**3%
*“Instant relief of my heel pain”*
**Support-Overall**3%
*“Excellent Support for Flat Feet”*
**Durability**3%
*“Reliable/Durable”*
**Efficiency**2%
*“Works great”*
### **What buyers complain about **
**Pain Relief-Overall**18%
*“caused my knees to suffer”*
**Quality-Overall**8%
*“The inserts are so cheaply made”*
**Value For Money**7%
*“Not worth it”*
**Hard Feel**7%
*“Too hard”*
**Thickness**5%
*“dont have any thickness by your toes”*
**Functionality-Overall**5%
*“Poor Performance”*
**Heel Spurs/Plantar Fasciitis**5%
*“it didn't help my plantar fascitis at all”*
**Cushion**4%
*“they have absolutely no cushioning for the ball of the foot”*
**Durability**4%
*“Takes a few days to break in”*
**Arch Support**3%
*“I need more arch support”*
### **Top return reasons **
**Size-Overall**53%
**Comfort-Overall**10%
**Advertised Vs Actual Product**6%
**Hard Feel**5%
**Pain Relief-Overall**4%
**Functionality-Overall**3%
**Feet Fit**3%
**Cushion**3%
**Material Quality**2%
**Arch Support**2%
## **Common questions**
- **Is samurai insoles ninjas profitable to sell on Amazon United States?**
- The niche generates $153K/yr across 5 tracked products. 2 of 2 products launched in the last 360 days are still selling. 90-day search growth is +9.5%. Flapen's verdict: Skip it (40/100).
- **How competitive is the samurai insoles ninjas niche?**
- 4 brands and 8 sellers compete. The top 5 products take 100% of clicks and top 5 brands hold 100% of demand.
- **What do buyers complain about in samurai insoles ninjas?**
- Top complaints mined from reviews: Pain Relief-Overall, Quality-Overall, Value For Money. The return rate is 3.1%.
- **When does demand for samurai insoles ninjas peak?**
- Demand is steady year-round — the busiest month runs 1.2× the quietest.
- **What does it cost to enter the samurai insoles ninjas niche?**
- Listings span $17.61–$34.81; the average listing price is $28.12 (sweet spot $15–$100). The average incumbent carries 24,799 reviews — the moat a new listing must climb.
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