Karate Kid Costume
Skip itA small market ($30K/yr) — this niche doesn't clear our bar today.
Avg price
Incredible$29.36avg listing price — sweet spot $15–$100
Brand share
Great42%top-5 brand share — no brand owns this niche
Competition
Great24%top-5 click share — an open shelf
Price range
Great$7.19–$58.11cheapest to priciest tracked listing — scored on the share inside $15–$100
Review moat
Good977.63avg incumbent reviews — the moat a new listing must climb
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Conversion
Bad1.6%search→purchase rate — share of searches ending in a sale
Growth
Bad-14.9%90-day search growth — must beat 0% to launch
Returns
Bad8.8%return rate — above 5% kills the launch gate
Market size
Bad$30K$30K/yr · 61K searches
Is karate kid costume profitable on Amazon?
According to Flapen's Amazon United States niche tracking, karate kid costume is a $30K/yr Amazon United States market (61K searches/yr). The top 5 brands hold 42% of demand. Demand peaks in Sep–Oct–Nov. Verdict: Skip it — 48/100.
Data updated Jul 10, 2026 · scored weekly · How we score niches
karate kid costume market size & sales
Units sold, revenue, conversion and listing quality across the tracked shelf.- Units sold / yr
- 500–750
- avg 0–100/product
- Revenue / yr
- $15K–$22K
- units × avg price
- Conversion rate
- 1.6%
- Avg BSR
- #1,063
- Page quality
- 0%
- Prime
- 75%
- Sponsored
- 77%
- Out of stock
- 10.9%
- Avg brand age
- 57 months
- Avg seller age
- 193 days
Competition: brands, sellers & click share
Clicks spread well past the top 5 (24% combined) — an open shelf where new products get seen.Brands
37 rising
Sellers
66
Top-5 brand share
42%
Top 20: 86%
Top-5 click share
24%
Top 20: 60%
Open market
53%
- Elite Sports14%
- NAMAZU11%
- Hawk Sports7%
- Rubies5%
- ULTIMATE FIGHT GEAR5%
- Treyrea5%
karate kid costume demand & seasonality
Weekly Amazon search volume, last 104 weeks — -14.9% search growth over the last 90 days.Peak months: Sep, Oct, Nov · busiest ÷ quietest = 24.5×
Top karate kid costume search terms shoppers use
The exact queries shoppers type, with yearly volume, growth and conversion.- karate costume15K/yr
- karate kid costume33K/yr
- karate kid costume adult9K/yr
- karate costume kids4K/yr
Top karate kid costume products & what they sell for
Every tracked product — its share of the shelf, its review moat, and what it sells for.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
Hawk Sports Karate Uniform Lightweight Karate Gi with Belt for Kids and Adults Ideal for Martial Arts Training and Sparring Durable Training Gear Size 4 (56/150lbs)
Hawk Sports$32.784.4★4,796 rev
Elite Sports IBJJF Ultra Light BJJ Brazilian Jiu Jitsu Gi for Kids with Preshrunk Fabric and Free Belt (Black 1)
Elite Sports$43.464.8★5,654 rev
NAMAZU Karate Uniform for Kids and Adult Lightweight Karate Gi Student Uniform with Belt for Martial Arts training - White
NAMAZU$25.234.4★1,750 rev
NAMAZU Karate Uniform for Kids and Adult Lightweight Karate Gi Student Uniform with Belt for Martial Arts training - White
NAMAZU$24.994.4★1,750 rev
JUST YEARN Karate Gi Lightweight Karate Uniform for Kids and Adults Martial Arts Training Suit with Free Belt
JUST YEARN$24.514.4★432 rev
Newest
by launch date
Oxdrala Adult Taekwondo Costume Karate Uniform Men with Belt Fullset (US Alpha Large Regular Regular red)
Oxdrala$37.013 rev
Fashionjoy Men Karate Gi Costume Sleeveless Uniform Halloween Cosplay with Headband Full Set Outfits XL
Fashionjoy$21.255 rev
MSMAX Karate Gi for Kids Students Martial Arts Training Uniform with Belt for Judo and Karate Taekwondo Jiu Jitsu 000
MSMAX$22.2050 rev
Rubies Karate Kid: Cobra Kai Costume Gi for Adults Mens Large
Rubies$40.863 rev
Rubies Karate Kid: Miyage-do Costume Gi for Adults Mens XL
Rubies$39.760 rev
Trending
90-day click momentumRubies Karate Kid: Miyage-do Costume Gi for Adults Mens XL
Rubies$39.760.0★
Hawk Sports Karate Uniform Lightweight Karate Gi with Belt for Kids and Adults Ideal for Martial Arts Training and Sparring Durable Training Gear Size 4 (56/150lbs)
Hawk Sports$32.784.4★
Agile Dragon Karate Uniform for Kids & Adults Lightweight Student Karate Gi Martial Arts Uniform black with Belt (White 7)
Agile Dragon$21.064.3★
Elite Sports Bjj Gi for Men - Brazilian Jiu Jitsu Gi - Preshrunk sweat wicking Fabric - Machine washable - Free white Belt
Elite Sports$58.114.7★
Elite Sports IBJJF Ultra Light BJJ Brazilian Jiu Jitsu Gi for Kids with Preshrunk Fabric and Free Belt (Black 1)
Elite Sports$43.464.8★
What reviews say buyers love and hate about karate kid costume
What buyers praise and complain about, mined from review topics.What buyers love
“true to size”
“Great quality for the pricing”
“Good material”
“doesn't ever tear”
“Worth the money”
“comfortable”
“a lot lighter than I anticipated”
“I love the color”
“Does not shrink”
“Its breathable enough to keep kids comfortable during long practices”
What buyers complain about
“Size runs SMALL”
“Priced for a reason”
“Not same like in the kobra kai series”
“Thin materia and the fit is not right”
“supposedly brand new”
“Thin material”
“Ill buy a higher quality one once she decides if shes sticking to it”
“The material is light on hot gym days”
“Not quite as soft as I though it would be”
“They were a little long”
Top return reasons
Common karate kid costume questions
- Is karate kid costume profitable to sell on Amazon United States?
- The niche generates $30K/yr across 79 tracked products. 0 of 6 products launched in the last 360 days are still selling. 90-day search growth is -14.9%. Flapen's verdict: Skip it (48/100).
- How competitive is the karate kid costume niche?
- 37 brands and 66 sellers compete. The top 5 products take 24% of clicks and top 5 brands hold 42% of demand.
- What do buyers complain about in karate kid costume?
- Top complaints mined from reviews: Size-Overall, Value For Money, Advertised Vs Actual Product. The return rate is 8.8% — above our launch gate.
- When does demand for karate kid costume peak?
- Demand peaks in Sep–Oct–Nov; the busiest month runs 24.5× the quietest.
- What does it cost to enter the karate kid costume niche?
- Listings span $7.19–$58.11; the average listing price is $29.36 (sweet spot $15–$100). The average incumbent carries 978 reviews — the moat a new listing must climb.