flash costume
Skip itPrices mostly outside the sweet spot ($9.81–$3803.64) — this niche doesn't clear our bar today.
Competition
Great32%top-5 click share — an open shelf
Review moat
Good565.7avg incumbent reviews — the moat a new listing must climb
Avg price
Good$130.69avg listing price — sweet spot $15–$100
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Market size
Okay$273K$273K/yr · 312K searches
Growth
Okay+2.9%90-day search growth — must beat 0% to launch
Brand share
Bad92%top-5 brand share — brand-locked demand
Returns
Bad8.2%return rate — above 6% kills the launch gate
Conversion
Bad0.7%search→purchase rate — share of searches ending in a sale
Price range
Bad$9.81–$3803.64cheapest to priciest tracked listing — scored on the share inside $15–$100
Competition
Clicks spread well past the top 5 (32% combined) — an open shelf where new products get seen.Brands
11 rising
Sellers
46
Top-5 brand share
92%
Open market
6%
- Rubies51%
- INTIMO17%
- DC Comics17%
- Fun Costumes4%
- Trippy Lights3%
- SalesOne2%
- Open — no brand owns it (5 brands, 6%)
Product shelf
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 46 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Rubies at Party City DC Comics Superheroes: The Flash Costume for Kids Boys Small
Rubies$30.594.6★3,556 rev
Rubies DC The Flash Movie: The Flash Deluxe Costume for Kids Boys Medium
Rubies$30.684.5★365 rev
DC Comics Flash Reverse Flash 2 Pack Casual Crew Socks Multi Colored Fits Shoe size-6-12
DC Comics$12.214.7★740 rev
Rubies DC Justice League: The Flash Gloves for Adults Mens No Size Red
Rubies$17.934.3★74 rev
DC Comics Justice League Superhero Matching Family Pajamas Union Suit (Toddler Flash 2T/3T)
INTIMO$20.734.6★837 rev
Newest
by launch date
Mens Womens LED Flash Light Jacket Rave Hoodies Vest Couple Carnival Pants Party Xmas Fancy Dress Prefermence Costume (Pants XX-Large)
aifuu$37.1073 rev
DC Comics Boys The Flash Soccer Mesh Jersey Tee & Short 2PC Set
DC Comics$22.683 rev
DC Comics Pajamas Toddler Boys Superhero Tight Fit Sleep Pajama Set (The Flash 3T)
INTIMO$19.6547 rev
Trippy Lights Red Superhero Latex Adult Overhead Costume Halloween Cosplay Prop Mask (Large)
Trippy Lights$20.7120 rev
KARAZZO Kids Capes and Masks Boys Girls Costumes for Halloween Christmas Cosplay Dress Up(Red+Blue)
KARAZZO$9.81399 rev
Trending
90-day click momentum
OBERON ARC FLASH COVERALL KIT - 40 CAL - INCLUDES HOOD AND COVERALLS - LAN SERIES
Oberon$969.324.0★
Mens Womens LED Flash Light Jacket Rave Hoodies Vest Couple Carnival Pants Party Xmas Fancy Dress Prefermence Costume (Pants XX-Large)
aifuu$37.103.9★
DC Comics The Flash Logo Barry Mens Casual Crew Sock Set Pack of 2
DC Comics$12.404.7★
DC Comics Toddler Boys Classic The Flash Union Suit Zip-Up Footless Pajama (2T) Red
INTIMO$14.994.8★
INTIMO DC Comics Boys The Flash Plush Fleece Hooded Costume Robe (Flash 14/16)
INTIMO$22.884.7★
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +2.9% search growth over the last 90 days.Peak months: Sep, Oct, Nov · busiest ÷ quietest = 12.4×
Reviews
What buyers praise and complain about, mined from review topics.What buyers love
“Good socks great quality”
“surprisingly durable for the price”
“Fit him perfectly”
“Reasonable for price point”
“Fun”
“down with them all day so definitely good material”
“Cute and comfy”
“Exactly as expected”
“They were stretchy”
“soft”
What buyers complain about
“Size table is wrong”
“Cheap”
“Doesn't work”
“The mask broke within a month of opening”