---
title: "Cool Costumes — $21K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/clothing-shoes-jewelry/cool-costumes"
last_updated: "2026-08-05T18:49:46.174Z"
locale: en
meta:
description: "Niche score 46/100 · $21K/yr market · 446K searches/yr · $46.86 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 46/100 · $21K/yr market · 446K searches/yr · $46.86 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Cool Costumes — $21K/yr Amazon US Niche (2026) - Flapen"
---
# **cool costumes**
**Skip it**
Weak search conversion (0.1%) — this niche doesn't clear our bar today.
Market size 5Growth 24Conversion 1Competition 93Returns 11Price range 89Avg price 94Brand share 95Review moat 38Quality gap 60
**Brand share**
**Incredible****39%**
top-5 brand share — no brand owns this niche
**Avg price**
**Great****$46.86**
avg listing price — sweet spot $15–$100
**Competition**
**Great****22%**
top-5 click share — an open shelf
**Price range**
**Great****$9.55–$86.61**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Quality gap**
**Good****4.4★**
avg incumbent rating — lower means beatable quality
**Review moat**
**Okay****2,655**
avg incumbent reviews — the moat a new listing must climb
**Growth**
**Bad****-1.8%**
90-day search growth — must beat 0% to launch
**Returns**
**Bad****8.9%**
return rate — above 5% kills the launch gate
**Market size**
**Bad****$21K**
$21K/yr · 446K searches
**Conversion**
**Bad****0.1%**
search→purchase rate — share of searches ending in a sale
**Signals**[** No Dominant Brand**](https://flapen.com/research/niches?market=us&signal=no_dominant_brand "Top brand's click share < 20%") [** High Returns**](https://flapen.com/research/niches?market=us&signal=high_returns "Return rate > 5%")
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 ~~](https://flapen.com/research/methodology)
## **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.
90K70KSpike '25Spike '26 seasonJanFebMarAprMayJunJulAugSepOctNovDecJanFebMarAprMayJun
Peak months: Sep, Oct, Nov · busiest ÷ quietest = 38.7×
[**Open Trend **](https://flapen.com/research/us/clothing-shoes-jewelry/cool-costumes/trend)
## **Top cool costumes search terms**
- **trajes**25K/yr+37.1%0.0% conv. - **cool costumes**58K/yr-9.2%0.0% conv. - **costum**27K/yr-5.7%0.0% conv. - **et costume**26K/yr+15.1%0.1% conv. - **male costume**21K/yr-7.4%0.1% conv. - **costume mens**14K/yr+85.8%0.0% conv. - **big and tall costumes for men**39K/yr+45.0%0.0% conv. - **adult male costume**21K/yr-27.5%0.0% conv. - **disfraz para adultos hombres**26K/yr-49.7%0.0% conv. - **costume for men adult**15K/yr-46.0%0.0% conv. [**All search terms **](https://flapen.com/research/us/clothing-shoes-jewelry/cool-costumes/search-terms)
## **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.
0%3%$6276%$1K9%$2K12%$3K101001K10K100K 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**MOPHOTO 5 in 1 Ghillie Suit 3D Camouflage Hunting Suits - Jacket Pants Hood Carry Bag for Youth & Adults M/L/XL/XXL**MOPHOTO**$40.59**4.3★3,310 rev](https://www.amazon.com/dp/B07FVDKV5K) [2**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**$58.96**4.4★3,910 rev](https://www.amazon.com/dp/B095HK4LL8) [3**WULFUL Mens Slim Fit Suit One Button 3-Piece Blazer Dress Business Wedding Party Jacket Vest & Pant Black**WULFUL**$61.40**4.4★9,366 rev](https://www.amazon.com/dp/B0792QMF6V) [4**inkArts Shark Blanket Hoodie - Adult Shark Sleeping Bag & Cozy Flannel Hoodie**inkArts**$20.14**4.2★4,782 rev](https://www.amazon.com/dp/B0CH9TWC91) [5**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**$64.20**4.4★18,670 rev](https://www.amazon.com/dp/B07Q2TLVHC)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**TOKYO REVENGERS Adult Toga Costume Roman Robe Greek God Outfit Halloween Cosplay Costume Accessories Set(Red XL)**TOKYO REVENGERS**$29.17**18 rev6mo ago](https://www.amazon.com/dp/B0GGGM13G9) [**Renaissance Medieval Costume for Men - Pirate Costume 8 Pcs Set Halloween Adult Cosplay Outfit with Viking Belt Accessories (Green-Black L)**Dicxoser**$45.56**42 rev11mo ago](https://www.amazon.com/dp/B0FND4SWYT) [**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**$55.55**443 rev1y ago](https://www.amazon.com/dp/B0FCFF9RL5) [**WULFUL Mens Slim Fit 3 Piece Suit One Button Solid Blazer Business Party Jacket Vest Pants Set Black**WULFUL**$58.17**568 rev1y ago](https://www.amazon.com/dp/B0DS8CWBQM) [**BOLADA Boys Suit Beige Slim fit Suits for Kids Formal Classic 6 Piece Big Boys Tuxedos Teen Youth Size 12**BOLADA**$54.59**1,179 rev1y ago](https://www.amazon.com/dp/B0DPDHYV6B)
**~~View all new products →~~**
### **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**$67.17**4.3★**▲ 125%**](https://www.amazon.com/dp/B083BLG25B) [**COSUSKET Snug Fit Unisex Adult Onesie Pajamas Flannel Cosplay Animal One Piece Halloween Costume Sleepwear Homewear Light Blue**COSUSKET**$26.48**4.7★**▲ 125%**](https://www.amazon.com/dp/B097ZL24QJ) [**TOKYO REVENGERS Adult Toga Costume Roman Robe Greek God Outfit Halloween Cosplay Costume Accessories Set(Red XL)**TOKYO REVENGERS**$29.17**4.7★**▲ 124%**](https://www.amazon.com/dp/B0GGGM13G9) [**Renaissance Medieval Costume for Men - Pirate Costume 8 Pcs Set Halloween Adult Cosplay Outfit with Viking Belt Accessories (Green-Black L)**Dicxoser**$45.56**4.3★**▲ 123%**](https://www.amazon.com/dp/B0FND4SWYT) [**BOLADA Boys Suit Beige Slim fit Suits for Kids Formal Classic 6 Piece Big Boys Tuxedos Teen Youth Size 12**BOLADA**$54.59**4.5★**▲ 123%**](https://www.amazon.com/dp/B0DPDHYV6B)
**~~View all trending →~~**
## **What buyers say about cool costumes**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Size-Overall**27%
*“Fits like a glove on me”*
**Quality-Overall**16%
*“Amazing quality”*
**Value For Money**13%
*“Good value”*
**Comfort-Overall**6%
*“Extremely Comfortable”*
**Advertised Vs Actual Product**5%
*“As advertised”*
**Material Quality**5%
*“Material stays pretty soft”*
**Durability**2%
*“Held up great”*
**Gifting Purpose**2%
*“Such a fun gift”*
**Soft Feel**2%
*“Fabric is soft”*
**Color**2%
*“Color is appealing”*
### **What buyers complain about **
**Size-Overall**33%
*“pants are too big”*
**Quality-Overall**10%
*“not well made”*
**Durability**5%
*“Ripped the first day”*
**Material Quality**4%
*“The material was super cheap”*
**Comfort-Overall**2%
*“Not the most comfortable thing”*
**Product Condition**2%
*“It came used and covered in leaves and pine straw”*
**Value For Money**2%
*“Looks more expensive than it was”*
**Advertised Vs Actual Product**2%
*“does not match the description”*
**Thickness**2%
*“Thin”*
**Stitch/Finish/Polish**2%
*“Seams come undone easily”*
### **Top return reasons **
**Size-Overall**61%
**Length**6%
**Waist Fit**4%
**Shoulder Fit**4%
**Sleeve Fit**4%
**Material Quality**3%
**Arm Fit**2%
**Advertised Vs Actual Product**2%
**Chest Fit**2%
**Color**2%
## **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.
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