Is 1920s mens costume profitable to sell on Amazon United States?

The niche generates $446K/yr across 59 tracked products. 3 of 7 products launched in the last 360 days are still selling. 90-day search growth is -31.5%. Flapen's verdict: Worth a look (52/100).

How competitive is the 1920s mens costume niche?

30 brands and 34 sellers compete. The top 5 products take 31% of clicks and top 5 brands hold 46% of demand.

What do buyers complain about in 1920s mens costume?

Top complaints mined from reviews: Size-Overall, Quality-Overall, Durability. The return rate is 11.0% — above our launch gate.

When does demand for 1920s mens costume peak?

Demand peaks in Oct–Nov–Dec; the busiest month runs 5.9× the quietest.

What does it cost to enter the 1920s mens costume niche?

Listings span $12.49–$100.89; the average listing price is $42.74 (sweet spot $15–$100). The average incumbent carries 1,643 reviews — the moat a new listing must climb.

1920s mens costume

Worth a look

Shows a sweet-spot price point ($42.74 avg), but high returns (11.0%) keeps it on the watch list.

Avg price

Incredible$42.74

avg listing price — sweet spot $15–$100

Price range

Great$12.49–$100.89

cheapest to priciest tracked listing — scored on the share inside $15–$100

Brand share

Great46%

top-5 brand share — no brand owns this niche

Competition

Great31%

top-5 click share — an open shelf

Quality gap

Good4.3★

avg incumbent rating — lower means beatable quality

Market size

Good$446K

$446K/yr · 900K searches

Review moat

Okay1,642.83

avg incumbent reviews — the moat a new listing must climb

Conversion

Bad1.2%

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

Growth

Bad-31.5%

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

Returns

Bad11.0%

return rate — above 5% kills the launch gate

Signals No Dominant Brand High Returns

According to Flapen's Amazon United States niche tracking, 1920s mens costume is a $446K/yr Amazon United States market (900K searches/yr). The top 5 brands hold 46% of demand. Demand peaks in Oct–Nov–Dec. Verdict: Worth a look — 52/100.

Data updated Jul 17, 2026 · scored weekly · How we score niches

1920s mens costume market data

Units sold / yr: 10K–13K; avg 0–100/product
Revenue / yr: $427K–$534K; units × avg price
Conversion rate: 1.2%
Avg BSR: #1,512
Page quality: 0%
Prime: 98%
Sponsored: 92%
Out of stock: 2.8%
Avg brand age: 47 months
Avg seller age: 184 days

Competition & brand share

Clicks spread well past the top 5 (31% combined) — an open shelf where new products get seen.

Brands

30 falling

Sellers

Top-5 brand share

46%

Top 20: 92%

Top-5 click share

31%

Top 20: 69%

Open market

49%

HIGAKI14%
HaBaeBae10%
Fxzpiodi9%
Itdespln8%
GUSLESON6%
VillbeCoser5%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -31.5% search growth over the last 90 days.

Peak months: Oct, Nov, Dec · busiest ÷ quietest = 5.9×

Open Trend

Top 1920s mens costume search terms

1920s mens costume197K/yr -23.6%0.7% conv.
harlem nights outfits for men54K/yr -14.0%0.6% conv.
great gatsby for men79K/yr -31.4%0.9% conv.
roaring 20s costumes for men90K/yr -41.3%0.9% conv.
1920s mens outfit63K/yr -36.8%0.5% conv.
1920 mens outfit56K/yr -36.5%0.7% conv.
mens 1920s outfit39K/yr -41.2%0.8% conv.
gangster costume men90K/yr -44.4%0.6% conv.
1920s mens clothes22K/yr -11.4%0.3% conv.
1920s accessories for men24K/yr -21.1%1.7% conv.

All search terms

Top 1920s mens costume 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

Retro 3 Piece Suit Tweed Herringbone Mens Suits Slim Fit Groom Tuxedos Set Prom Brown Grey Jacket Blazer Vest Pants Green S

Fxzpiodi$97.154.1★502 rev

Itdespln 1920s Mens Costume Gatsby Cosplay Roaring 20s Gangster Accessories Set(2XL Z3529BN)

Itdespln$33.564.3★157 rev

HaBaeBae 1920s Mens Costume Roaring 20s Costumes For Men Newsboy Hats For Men 1920s Mens Outfit With Hat Vest Pocket Watch Tie Armband Bow Tie Suspenders

HaBaeBae$37.884.5★167 rev

GUSLESON Mens Black Gold Paisley Suit Vest Tie and Bow Tie Set Silk Floral Waistcoat Necktie and Pocket Square Lapel Pin Set (0810-02-XXL)

GUSLESON$28.744.6★2,261 rev

Mens 4 Piece 1920s Suit One Button Vintage Suit Jacket Vest Pants with Hat(M Z3727HB)

HIGAKI$70.774.0★246 rev

Newest

by launch date

HaBaeBae 1920s Mens Costume Roaring 20s Costumes for Men 1920s Mens Outfit with Folding Walking Cane Hat Vest Pocket Watch Tie Armband Bow Tie Suspenders 1920 Mens Accessories

HaBaeBae$40.7442 rev

5mo ago

Gevidoxl 1920s Mens Costume Roaring 20s Outfits for Men Harlem Nights Gangster Great Gatsby Accessories for Men

Gevidoxl$20.0113 rev

6mo ago

HaBaeBae 1920s Mens Costume Roaring 20s Costumes For Men Newsboy Hats For Men 1920s Mens Outfit With Hat Vest Pocket Watch Tie Armband Bow Tie Suspenders

HaBaeBae$37.88167 rev

7mo ago

Morph 1920s Gangster Costume Men Roaring 20s Mobster Outfit Gangster Costume Men Vintage Style Party Attire Medium Black

Morph$50.26224 rev

1y ago

Mikbnfrb 1920s Mens Costume Accessories Outfit Set Gangster Roaring 20s Costumes for Gatsby Party (Black)

Mikbnfrb$19.6661 rev

1y ago

What buyers say about 1920s mens costume

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

What buyers love

Size-Overall24%

“Fit is true”

Quality-Overall22%

“Excellent product”

Value For Money15%

“Worth it”

Comfort-Overall7%

“Very comfortable”

Advertised Vs Actual Product4%

“AS ADVERTISED”

Shape/Style3%

“Overall, we were very impressed with the style, quality, and value”

Material Quality3%

“Good material easy to work with”

Strength2%

“Great suspenders”

Durability2%

“will last many uses”

Fun/Entertainment Experience1%

“I thought it was fun”

What buyers complain about

Size-Overall32%

“Runs large”

Quality-Overall15%

“Low Quality”

Durability4%

“other times only good for a couple months”

Material Quality3%

“Cheap fabric/material”

Product Condition3%

“The suit was used and dirty”

Advertised Vs Actual Product3%

“The hat did not look anything like the pictures”

Wrinkles2%

“Unfortunately, the ribbon is very cheap like used for a gift and came wrinkled as though it had an ironed crease in front”

Smell1%

“Smell”

Value For Money1%

“Cheaper than anything you can find anywhere”

Pain Relief-Overall1%

“biggest drawback is pain at neck”

Top return reasons

Size-Overall62%

Quality-Overall4%

Material Quality4%

Length4%

Advertised Vs Actual Product3%

Waist Fit3%