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.

roman helmet

Skip it

Soft demand (-39.8% this quarter) — this niche doesn't clear our bar today.

Review moat

Great162.7

avg incumbent reviews — the moat a new listing must climb

Avg price

Great$52.72

avg listing price — sweet spot $15–$100

Quality gap

Great4.2★

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

Good66%

top-5 brand share — brands hold most of the demand

Competition

Good47%

top-5 click share — leaders hold, buyers still browse

Market size

Okay$123K

$123K/yr · 122K searches

Conversion

Bad1.9%

search→purchase rate — share of searches ending in a sale

Returns

Bad7.0%

return rate — above 5% kills the launch gate

Growth

Bad-39.8%

90-day search growth — must beat 0% to launch

Signals High Returns High Price

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

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

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.

Peak months: Mar, Apr, Oct · busiest ÷ quietest = 3.9×

Open Trend

Top roman helmet search terms

gladiator helmet45K/yr -12.7%1.0% conv.
roman helmet45K/yr -33.1%1.8% conv.
roman soldier helmet18K/yr -78.5%3.2% conv.
roman helmet adult7K/yr -55.1%3.2% conv.
centurion helmet4K/yr -43.6%1.1% conv.
roman helmets3K/yr -34.7%0.7% conv.

All 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.

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

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$19.794.3★355 rev

Nicky Bigs Novelties Roman Helmet Gladiator Helmet Spartan Helmets Knight Helmets Gladiator Costume Roman Soldier Costume Men

Nicky Bigs Novelties$23.624.4★608 rev

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$72.474.2★158 rev

ALADEAN Roman Officer Helmet - Medieval Imperial Centurion Vintage Armor - 18g Mild Steel - LARP Cosplay Costume

ALADEAN$78.204.2★48 rev

Roman Officer Centurion Historical Helmet Armor 18g Steel Roman Helmet Rustic Vintage Home Decor Gifts

THOR INSTRUMENTS$79.144.3★263 rev

Newest

by launch date

Roman Helmet with Red Feather Plume Greek Costume Helmets Legion Helmet Gold Warrior

Jauarta$16.955 rev

8mo ago

Amlisia Roman Knight Helmet Spartan Gladiator Costume Helmet Plastic Medieval Hat Warrio Knight Armor Accessory with Red Feather for Men

Amlisia$22.2443 rev

9mo ago

Menolana Sparta Helmet Headwear Sparta Costume Accessory Fighter Helmet for Stage Decor Gift Cosplay Role Playing Gold with Feather

Menolana$8.333 rev

11mo ago

Servllcell Medieval Roman Knight Helmet Plastic Greek Spartan Gladiator Helmet Medieval Costume Accessories Halloween Hat

Servllcell$21.32126 rev

1y ago

Medieval Roman Knight Helmet and Spartan Spear Prop Greek Spartan Gladiator Costume Accessories Set Halloween

Servllcell$35.7821 rev

1y ago

What buyers say about roman helmet

What buyers praise and complain about, mined from review topics.

What buyers love

Quality-Overall24%

“This is a very well-made historical piece with excellent craftsmanship”

Size-Overall21%

“Great fit”

Value For Money8%

“its really affordable”

Strength8%

“not flimsy, looks just like illustration”

Ease Of Use5%

“Simple and effective”

Durability4%

“the durability of the helmet is adequate”

Material Quality4%

“Looks good though its plastic”

Design-Overall3%

“Well crafted and visually appealing”

Thickness3%

“Good plastic thickness”

Advertised Vs Actual Product3%

“Just as described”

What buyers complain about

Size-Overall27%

“Short”

Value For Money7%

“Not worth it”

Advertised Vs Actual Product7%

“why mislead the customer”

Durability6%

“Broken in less than 5 minutes”

Strength6%

“Very flimsy”

Rusts/Corrodes5%

“I saw a few rust spots which was disappointing”

Maintenance And Repair5%

“The face of it is bent to the point it can't be repaired”

Thickness5%

“The bar which holds the fringe was too thick to fit into the holding sleeve”

Strap/String Quality4%

“the straps do not make it any better”

Quality-Overall3%

“you should know its cheap as hell”

Top return reasons

Size-Overall65%

Quality-Overall5%

Defective Material/Parts4%

Width4%

Material Quality4%

Advertised Vs Actual Product3%

Functionality-Overall2%

Value For Money2%

Weight Heavy1%

Strength1%

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.