---
title: "Roman Helmet — $123K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/clothing-shoes-jewelry/roman-helmet"
last_updated: "2026-08-11T02:10:15.577Z"
locale: en
meta:
description: "Niche score 46/100 · $123K/yr market · 122K searches/yr · $52.72 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 46/100 · $123K/yr market · 122K searches/yr · $52.72 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Roman Helmet — $123K/yr Amazon US Niche (2026) - Flapen"
---
# **roman helmet**
**Skip it**
Soft demand (-39.8% this quarter) — this niche doesn't clear our bar today.
Market size 28Growth 5Conversion 24Competition 63Returns 18Price range 76Avg price 92Brand share 64Review moat 92Quality gap 80
**Review moat**
**Great****162.7**
avg incumbent reviews — the moat a new listing must climb
**Avg price**
**Great****$52.72**
avg listing price — sweet spot $15–$100
**Quality gap**
**Great****4.2★**
avg incumbent rating — lower means beatable quality
**Price range**
**Great****$8.33–$119.85**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Brand share**
**Good****66%**
top-5 brand share — brands hold most of the demand
**Competition**
**Good****47%**
top-5 click share — leaders hold, buyers still browse
**Market size**
**Okay****$123K**
$123K/yr · 122K searches
**Conversion**
**Bad****1.9%**
search→purchase rate — share of searches ending in a sale
**Returns**
**Bad****7.0%**
return rate — above 5% kills the launch gate
**Growth**
**Bad****-39.8%**
90-day search growth — must beat 0% to launch
**Signals**[** High Returns**](https://flapen.com/research/niches?market=us&signal=high_returns "Return rate > 5%") [** High Price**](https://flapen.com/research/niches?market=us&signal=high_price "Avg price > $50")
According to Flapen's Amazon United States niche tracking, roman helmet is a $123K/yr Amazon United States market (122K searches/yr). The top 5 brands hold 66% of demand. Demand peaks in Mar–Apr–Oct. Verdict: Skip it — 46/100.
Data updated Jul 10, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **roman helmet market data**
- **Units sold / yr**
- **3K–4K**
- avg 0–100/product
- **Revenue / yr**
- **$158K–$211K**
- units × avg price
- **Conversion rate**
- **1.9%**
- **Avg BSR**
- **#2,709**
- **Page quality**
- **0%**
- **Prime**
- **76%**
- **Sponsored**
- **82%**
- **Out of stock**
- **10.1%**
- **Avg brand age**
- **48 months**
- **Avg seller age**
- **191 days**
## **Competition & brand share**
The top 5 products take 47% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**18 **▼falling
**Sellers**
**41**
**Top-5 brand share**
**66%**
Top 20: 100%
**Top-5 click share**
**47%**
Top 20: 85%
**Open market**
**28%**
- THOR INSTRUMENTS22% - Cosmic Chameleon20% - Nicky Bigs Novelties10% - Servllcell8% - ALADEAN7% - NauticalMart6%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -39.8% search growth over the last 90 days.
6K4KSpike '24Spike '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Mar, Apr, Oct · busiest ÷ quietest = 3.9×
[**Open Trend **](https://flapen.com/research/us/clothing-shoes-jewelry/roman-helmet/trend)
## **Top roman helmet search terms**
- **gladiator helmet**45K/yr-12.7%1.0% conv. - **roman helmet**45K/yr-33.1%1.8% conv. - **roman soldier helmet**18K/yr-78.5%3.2% conv. - **roman helmet adult**7K/yr-55.1%3.2% conv. - **centurion helmet**4K/yr-43.6%1.1% conv. - **roman helmets**3K/yr-34.7%0.7% conv. [**All search terms **](https://flapen.com/research/us/clothing-shoes-jewelry/roman-helmet/search-terms)
## **Top roman helmet 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%5%$6K10%$12K15%$18K20%$25K1101001K 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**Cosmic Chameleon Roman Spartan Warrior Helmet for Adults (Ages 15+) Gold Greek Soldier Headwear King Leonidas Style Medieval Armor Costume Accessory for Cosplay & Halloween**Cosmic Chameleon**$19.79**4.3★355 rev](https://www.amazon.com/dp/B0B25T9PR9) [2**Nicky Bigs Novelties Roman Helmet Gladiator Helmet Spartan Helmets Knight Helmets Gladiator Costume Roman Soldier Costume Men**Nicky Bigs Novelties**$23.62**4.4★608 rev](https://www.amazon.com/dp/B073J19PVT) [3**THOR INSTRUMENTS Gladiator Maximus Arena Helmet | Medieval Wearable Mens Helmet Full Size | Halloween Party Costumes | Larp Clothings Movie Dresses Full-Size Metal Gladiator Maximus Arena Helm**THOR INSTRUMENTS**$72.47**4.2★158 rev](https://www.amazon.com/dp/B00HS8G7XG) [4**ALADEAN Roman Officer Helmet - Medieval Imperial Centurion Vintage Armor - 18g Mild Steel - LARP Cosplay Costume**ALADEAN**$78.20**4.2★48 rev](https://www.amazon.com/dp/B0D9BBGVTN) [5**Roman Officer Centurion Historical Helmet Armor 18g Steel Roman Helmet Rustic Vintage Home Decor Gifts**THOR INSTRUMENTS**$79.14**4.3★263 rev](https://www.amazon.com/dp/B00OGO8PIK)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Roman Helmet with Red Feather Plume Greek Costume Helmets Legion Helmet Gold Warrior**Jauarta**$16.95**5 rev8mo ago](https://www.amazon.com/dp/B0FWRM8C3G) [**Amlisia Roman Knight Helmet Spartan Gladiator Costume Helmet Plastic Medieval Hat Warrio Knight Armor Accessory with Red Feather for Men**Amlisia**$22.24**43 rev9mo ago](https://www.amazon.com/dp/B0FHKL4S8F) [**Menolana Sparta Helmet Headwear Sparta Costume Accessory Fighter Helmet for Stage Decor Gift Cosplay Role Playing Gold with Feather**Menolana**$8.33**3 rev11mo ago](https://www.amazon.com/dp/B0FLKJLZG5) [**Servllcell Medieval Roman Knight Helmet Plastic Greek Spartan Gladiator Helmet Medieval Costume Accessories Halloween Hat**Servllcell**$21.32**126 rev1y ago](https://www.amazon.com/dp/B0F9X33QHP) [**Medieval Roman Knight Helmet and Spartan Spear Prop Greek Spartan Gladiator Costume Accessories Set Halloween**Servllcell**$35.78**21 rev1y ago](https://www.amazon.com/dp/B0F9FJ26P2)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Cosmic Chameleon Roman Spartan Warrior Helmet for Adults (Ages 15+) Silver Greek Soldier Headwear King Leonidas Style Medieval Armor Costume Accessory for Mens Cosplay & Halloween**Cosmic Chameleon**$20.03**4.3★**▲ 259%**](https://www.amazon.com/dp/B0B25SLD6D) [**NauticalMart Roman Gallic G Centurion Helmet - Metallic Armour**NauticalMart**$119.85**3.8★**▲ 143%**](https://www.amazon.com/dp/B01MAY4VO7) [**Roman Helmet with Red Feather Plume Greek Costume Helmets Legion Helmet Gold Warrior**Jauarta**$16.95**5.0★**▲ 133%**](https://www.amazon.com/dp/B0FWRM8C3G) [**Menolana Sparta Helmet Headwear Sparta Costume Accessory Fighter Helmet for Stage Decor Gift Cosplay Role Playing Gold with Feather**Menolana**$8.33**5.0★**▲ 106%**](https://www.amazon.com/dp/B0FLKJLZG5) [**THOR INSTRUMENTS Gladiator Maximus Arena Helmet | Medieval Wearable Mens Helmet Full Size | Halloween Party Costumes | Larp Clothings Movie Dresses Full-Size Metal Gladiator Maximus Arena Helm**THOR INSTRUMENTS**$72.47**4.2★**▲ 93%**](https://www.amazon.com/dp/B00HS8G7XG)
**~~View all trending →~~**
## **What buyers say about roman helmet**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**24%
*“This is a very well-made historical piece with excellent craftsmanship”*
**Size-Overall**21%
*“Great fit”*
**Value For Money**8%
*“its really affordable”*
**Strength**8%
*“not flimsy, looks just like illustration”*
**Ease Of Use**5%
*“Simple and effective”*
**Durability**4%
*“the durability of the helmet is adequate”*
**Material Quality**4%
*“Looks good though its plastic”*
**Design-Overall**3%
*“Well crafted and visually appealing”*
**Thickness**3%
*“Good plastic thickness”*
**Advertised Vs Actual Product**3%
*“Just as described”*
### **What buyers complain about **
**Size-Overall**27%
*“Short”*
**Value For Money**7%
*“Not worth it”*
**Advertised Vs Actual Product**7%
*“why mislead the customer”*
**Durability**6%
*“Broken in less than 5 minutes”*
**Strength**6%
*“Very flimsy”*
**Rusts/Corrodes**5%
*“I saw a few rust spots which was disappointing”*
**Maintenance And Repair**5%
*“The face of it is bent to the point it can't be repaired”*
**Thickness**5%
*“The bar which holds the fringe was too thick to fit into the holding sleeve”*
**Strap/String Quality**4%
*“the straps do not make it any better”*
**Quality-Overall**3%
*“you should know its cheap as hell”*
### **Top return reasons **
**Size-Overall**65%
**Quality-Overall**5%
**Defective Material/Parts**4%
**Width**4%
**Material Quality**4%
**Advertised Vs Actual Product**3%
**Functionality-Overall**2%
**Value For Money**2%
**Weight Heavy**1%
**Strength**1%
## **Common questions**
- **Is roman helmet profitable to sell on Amazon United States?**
- The niche generates $123K/yr across 33 tracked products. 0 of 3 products launched in the last 360 days are still selling. 90-day search growth is -39.8%. Flapen's verdict: Skip it (46/100).
- **How competitive is the roman helmet niche?**
- 18 brands and 41 sellers compete. The top 5 products take 47% of clicks and top 5 brands hold 66% of demand.
- **What do buyers complain about in roman helmet?**
- Top complaints mined from reviews: Size-Overall, Value For Money, Advertised Vs Actual Product. The return rate is 7.0% — above our launch gate.
- **When does demand for roman helmet peak?**
- Demand peaks in Mar–Apr–Oct; the busiest month runs 3.9× the quietest.
- **What does it cost to enter the roman helmet niche?**
- Listings span $8.33–$119.85; the average listing price is $52.72 (sweet spot $15–$100). The average incumbent carries 163 reviews — the moat a new listing must climb.
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