cool costumes
Skip itWeak search conversion (0.1%) — this niche doesn't clear our bar today.
Brand share
Incredible39%top-5 brand share — no brand owns this niche
Avg price
Great$46.86avg listing price — sweet spot $15–$100
Competition
Great22%top-5 click share — an open shelf
Price range
Great$9.55–$86.61cheapest to priciest tracked listing — scored on the share inside $15–$100
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Review moat
Okay2,655avg incumbent reviews — the moat a new listing must climb
Growth
Bad-1.8%90-day search growth — must beat 0% to launch
Returns
Bad8.9%return rate — above 5% kills the launch gate
Market size
Bad$21K$21K/yr · 446K searches
Conversion
Bad0.1%search→purchase rate — share of searches ending in a sale
According to Flapen's Amazon United States niche tracking, cool costumes is a $21K/yr Amazon United States market (446K searches/yr). The top 5 brands hold 39% of demand. Demand peaks in Sep–Oct–Nov. Verdict: Skip it — 46/100.
Data updated Jul 21, 2026 · scored weekly · How we score niches
cool costumes market data
- Units sold / yr
- 1K–1K
- avg 0–100/product
- Revenue / yr
- $47K–$59K
- units × avg price
- Conversion rate
- 0.1%
- Avg BSR
- #822
- Page quality
- 0%
- Prime
- 98%
- Sponsored
- 97%
- Out of stock
- 6.9%
- Avg brand age
- 41 months
- Avg seller age
- 183 days
Competition & brand share
Clicks spread well past the top 5 (22% combined) — an open shelf where new products get seen.Brands
52 rising
Sellers
59
Top-5 brand share
39%
Top 20: 77%
Top-5 click share
22%
Top 20: 51%
Open market
58%
- WULFUL12%
- MOPHOTO8%
- YND8%
- MY'S7%
- WEEN CHARM4%
- inkArts3%
Demand & seasonality
Weekly Amazon search volume, last 80 weeks — -1.8% search growth over the last 90 days.Peak months: Sep, Oct, Nov · busiest ÷ quietest = 38.7×
Top cool costumes search terms
- trajes25K/yr
- cool costumes58K/yr
- costum27K/yr
- et costume26K/yr
- male costume21K/yr
- costume mens14K/yr
- big and tall costumes for men39K/yr
- adult male costume21K/yr
- disfraz para adultos hombres26K/yr
- costume for men adult15K/yr
Top cool costumes 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
MOPHOTO 5 in 1 Ghillie Suit 3D Camouflage Hunting Suits - Jacket Pants Hood Carry Bag for Youth & Adults M/L/XL/XXL
MOPHOTO$40.594.3★3,310 rev
YND Mens 2 Piece Suit with Tie One Button Slim Fit Solid Jacket and Pants Set Suits for Men Prom Party Wedding & Business Deep Blue
YND$58.964.4★3,910 rev
WULFUL Mens Slim Fit Suit One Button 3-Piece Blazer Dress Business Wedding Party Jacket Vest & Pant Black
WULFUL$61.404.4★9,366 rev
inkArts Shark Blanket Hoodie - Adult Shark Sleeping Bag & Cozy Flannel Hoodie
inkArts$20.144.2★4,782 rev
MYS Mens 3 Piece Suit Set with Tie One Button Slim Fit Solid Jacket Vest Pants Prom Party Wedding Business Suits for Men Black Medium
MY'S$64.204.4★18,670 rev
Newest
by launch date
TOKYO REVENGERS Adult Toga Costume Roman Robe Greek God Outfit Halloween Cosplay Costume Accessories Set(Red XL)
TOKYO REVENGERS$29.1718 rev
Renaissance Medieval Costume for Men - Pirate Costume 8 Pcs Set Halloween Adult Cosplay Outfit with Viking Belt Accessories (Green-Black L)
Dicxoser$45.5642 rev
LUPURTY Mens 3 Piece Suit with Bow Tie One Button Slim Fit Tuxedo Set with Blazer Jacket Vest & Pants for Wedding Prom Business Navy L
LUPURTY$55.55443 rev
WULFUL Mens Slim Fit 3 Piece Suit One Button Solid Blazer Business Party Jacket Vest Pants Set Black
WULFUL$58.17568 rev
BOLADA Boys Suit Beige Slim fit Suits for Kids Formal Classic 6 Piece Big Boys Tuxedos Teen Youth Size 12
BOLADA$54.591,179 rev
Trending
90-day click momentum
YND Mens 3 Piece Suit Set with Tie 2 Button Slim Fit Solid Blazer Jacket Vest Pants Business Wedding Party Suits for Men Beige
YND$67.174.3★
COSUSKET Snug Fit Unisex Adult Onesie Pajamas Flannel Cosplay Animal One Piece Halloween Costume Sleepwear Homewear Light Blue
COSUSKET$26.484.7★
TOKYO REVENGERS Adult Toga Costume Roman Robe Greek God Outfit Halloween Cosplay Costume Accessories Set(Red XL)
TOKYO REVENGERS$29.174.7★
Renaissance Medieval Costume for Men - Pirate Costume 8 Pcs Set Halloween Adult Cosplay Outfit with Viking Belt Accessories (Green-Black L)
Dicxoser$45.564.3★
BOLADA Boys Suit Beige Slim fit Suits for Kids Formal Classic 6 Piece Big Boys Tuxedos Teen Youth Size 12
BOLADA$54.594.5★
What buyers say about cool costumes
What buyers praise and complain about, mined from review topics.What buyers love
“Fits like a glove on me”
“Amazing quality”
“Good value”
“Extremely Comfortable”
“As advertised”
“Material stays pretty soft”
“Held up great”
“Such a fun gift”
“Fabric is soft”
“Color is appealing”
What buyers complain about
“pants are too big”
“not well made”
“Ripped the first day”
“The material was super cheap”
“Not the most comfortable thing”
“It came used and covered in leaves and pine straw”
“Looks more expensive than it was”
“does not match the description”
“Thin”
“Seams come undone easily”
Top return reasons
Common questions
- Is cool costumes profitable to sell on Amazon United States?
- The niche generates $21K/yr across 94 tracked products. 1 of 14 products launched in the last 360 days are still selling. 90-day search growth is -1.8%. Flapen's verdict: Skip it (46/100).
- How competitive is the cool costumes niche?
- 52 brands and 59 sellers compete. The top 5 products take 22% of clicks and top 5 brands hold 39% of demand.
- What do buyers complain about in cool costumes?
- Top complaints mined from reviews: Size-Overall, Quality-Overall, Durability. The return rate is 8.9% — above our launch gate.
- When does demand for cool costumes peak?
- Demand peaks in Sep–Oct–Nov; the busiest month runs 38.7× the quietest.
- What does it cost to enter the cool costumes niche?
- Listings span $9.55–$86.61; the average listing price is $46.86 (sweet spot $15–$100). The average incumbent carries 2,655 reviews — the moat a new listing must climb.