---
title: "Cobra Kai Shirt — $18K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/clothing-shoes-jewelry/cobra-kai-shirt"
last_updated: "2026-08-06T04:15:36.445Z"
locale: en
meta:
description: "Niche score 39/100 · $18K/yr market · 46K searches/yr · $20.56 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 39/100 · $18K/yr market · 46K searches/yr · $20.56 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Cobra Kai Shirt — $18K/yr Amazon US Niche (2026) - Flapen"
---
# **cobra kai shirt**
**Skip it**
A small market ($18K/yr) — this niche doesn't clear our bar today.
Market size 4Growth 39Conversion 23Competition 50Returns 62Price range 68Avg price 89Brand share 21Review moat 80Quality gap 27
**Avg price**
**Great****$20.56**
avg listing price — sweet spot $15–$100
**Review moat**
**Great****402.73**
avg incumbent reviews — the moat a new listing must climb
**Price range**
**Good****$7.74–$30.34**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Returns**
**Good****2.5%**
return rate — above 5% kills the launch gate
**Competition**
**Okay****55%**
top-5 click share — leaders hold, buyers still browse
**Growth**
**Okay****+10.8%**
90-day search growth — must beat 0% to launch
**Quality gap**
**Okay****4.6★**
avg incumbent rating — lower means beatable quality
**Conversion**
**Bad****1.9%**
search→purchase rate — share of searches ending in a sale
**Brand share**
**Bad****92%**
top-5 brand share — brand-locked demand
**Market size**
**Bad****$18K**
$18K/yr · 46K searches
According to Flapen's Amazon United States niche tracking, cobra kai shirt is a $18K/yr Amazon United States market (46K searches/yr). The top 5 brands hold 92% of demand. Demand peaks in Feb–Mar–Dec. Verdict: Skip it — 39/100.
Data updated Jul 20, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **cobra kai shirt market data**
- **Units sold / yr**
- **1K–1K**
- avg 0–100/product
- **Revenue / yr**
- **$21K–$26K**
- units × avg price
- **Conversion rate**
- **1.9%**
- **Avg BSR**
- **#152,684**
- **Page quality**
- **0%**
- **Prime**
- **65%**
- **Sponsored**
- **85%**
- **Out of stock**
- **0.6%**
- **Avg brand age**
- **48 months**
- **Avg seller age**
- **194 days**
## **Competition & brand share**
The top 5 products take 55% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**8 **▲rising
**Sellers**
**10**
**Top-5 brand share**
**92%**
Top 20: 100%
**Top-5 click share**
**55%**
Top 20: 94%
**Open market**
**4%**
- Cobra Kai30% - Superhero Stuff20% - Ripple Junction18% - Bioworld16% - AA Apparel7% - XIAMUSZ4% - Open — no brand owns it (2 brands, 4%)
## **Demand & seasonality**
Weekly Amazon search volume, last 101 weeks — +10.8% search growth over the last 90 days.
9K7KBlack Friday '24Holiday '24Spike '25Holiday '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Feb, Mar, Dec · busiest ÷ quietest = 3.1×
[**Open Trend **](https://flapen.com/research/us/clothing-shoes-jewelry/cobra-kai-shirt/trend)
## **Top cobra kai shirt 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%5%$87610%$2K15%$3K20%$4K1101001K10K 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**Cobra Kai Rusted Sl Snake Logo Young Mens T-Shirt**Superhero Stuff**$15.21**4.3★41 rev](https://www.amazon.com/dp/B08T9RZX7T) [2**Cobra Kai Strike First Cobra Logo TV Show T-Shirt**Cobra Kai**$21.30**4.7★1,965 rev](https://www.amazon.com/dp/B08J94B76P) [3**Ripple Junction Cobra Kai Mens Short Sleeve T-Shirt Strike First Strike Hard No Mercy Distressed Logo 2XL Heather Charcoal**Ripple Junction**$17.43**4.7★1,803 rev](https://www.amazon.com/dp/B0B5VV6569) [4**Bioworld Cobra Kai Logo Short Sleeve Graphic Tee-M**Bioworld**$19.88**4.5★42 rev](https://www.amazon.com/dp/B08T1ZB8BH) [5**Cobra Kai Steel Cobra Logo Adult Black Crew Neck Short Sleeve T-Shirt-XL**Bioworld**$19.57**5.0★1 rev](https://www.amazon.com/dp/B0F79C9KRN)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Cayxatiu Girls Graphic Tees Cute Karate Kid Shirt Martial Arts T-Shirt Girl Summer Preppy Shirts for Girls Karate Gifts(Black 140)**Cayxatiu**$14.98**2 rev7mo ago](https://www.amazon.com/dp/B0G4D9Z37W) [**Cobra Kai Steel Cobra Logo Adult Black Crew Neck Short Sleeve T-Shirt-XL**Bioworld**$19.57**1 rev1y ago](https://www.amazon.com/dp/B0F79C9KRN) [**Cobra Kai Miyagi-Do Karate Eagle Fang Bonsai Tree Dojo Logo T-Shirt**Cobra Kai**$21.53**55 rev2y ago](https://www.amazon.com/dp/B0D9P91C39) [**Cobra Kai Karate Dojo South Korea Snake Logo Sekai Taikai T-Shirt**Cobra Kai**$21.53**33 rev2y ago](https://www.amazon.com/dp/B0D9PCG6P2) [**Cobra Kai Miyagi-Do Karate Logo Mens Black Long Sleeve Shirt-Large**Bioworld**$21.99**1 rev4y ago](https://www.amazon.com/dp/B09XBSHFZ8)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Cobra Kai Tv Series Mens Red Short Sleeve Graphic Tee Shirt-XL**Bioworld**$19.80**4.5★**▲ 164%**](https://www.amazon.com/dp/B08W2PMY88) [**Cobra Kai Miyagi-Do Karate Logo Mens Black Long Sleeve Shirt-Large**Bioworld**$21.99**5.0★**▲ 161%**](https://www.amazon.com/dp/B09XBSHFZ8) [**Cobra Kai Officially Licensed White Patches Baseball 3/4 Sleeve T-Shirt (White-Black) XX-Large**Cobra Kai**$29.75**4.8★**▲ 152%**](https://www.amazon.com/dp/B09NGTNLWL) [**Ripple Junction Cobra Kai Mens Short Sleeve T-Shirt Strike First Strike Hard No Mercy Distressed Logo XL Black**Ripple Junction**$17.26**4.7★**▲ 151%**](https://www.amazon.com/dp/B00U0HK3VO) [**Cayxatiu Girls Graphic Tees Cute Karate Kid Shirt Martial Arts T-Shirt Girl Summer Preppy Shirts for Girls Karate Gifts(Black 140)**Cayxatiu**$14.98**5.0★**▲ 149%**](https://www.amazon.com/dp/B0G4D9Z37W)
**~~View all trending →~~**
## **What buyers say about cobra kai shirt**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Size-Overall**20%
*“Good fit”*
**Comfort-Overall**15%
*“Comfortable”*
**Print Quality**11%
*“The print quality seems to have lasted longer than some of my other print shirts”*
**Gifting Purpose**9%
*“Gift”*
**Stain Resistance**5%
*“Great quality it hasnt faded at all”*
**Quality-Overall**5%
*“Great quality”*
**Color**5%
*“Very colorful”*
**Material Quality**5%
*“The material of the shirt is of good quality”*
**Soft Feel**2%
*“Super soft and comfy”*
### **What buyers complain about **
**Size-Overall**25%
*“order larger size because mine was a little tight”*
**Quality-Overall**8%
*“it's kinda cheap”*
**Design-Overall**8%
*“The graphic design came off pretty quick”*
**Length**8%
*“just wish it wasnt so tight on the length”*
**Thickness**4%
*“It's like a thick goopy layer”*
**Adhesion/Stickiness**4%
*“everything sticks to it”*
**Smell**4%
*“it will smell like the melty rubbery chemical mess it is”*
### **Top return reasons **
**Size-Overall**61%
**Chest Fit**9%
**Waist Fit**6%
**Advertised Vs Actual Product**4%
**Length**3%
**Print Quality**3%
**Color**3%
**Arm Fit**3%
**Shoulder Fit**3%
**Neck Fit**3%
## **Common questions**
- **Is cobra kai shirt profitable to sell on Amazon United States?**
- The niche generates $18K/yr across 26 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is +10.8%. Flapen's verdict: Skip it (39/100).
- **How competitive is the cobra kai shirt niche?**
- 8 brands and 10 sellers compete. The top 5 products take 55% of clicks and top 5 brands hold 92% of demand.
- **What do buyers complain about in cobra kai shirt?**
- Top complaints mined from reviews: Size-Overall, Quality-Overall, Design-Overall. The return rate is 2.5%.
- **When does demand for cobra kai shirt peak?**
- Demand peaks in Feb–Mar–Dec; the busiest month runs 3.1× the quietest.
- **What does it cost to enter the cobra kai shirt niche?**
- Listings span $7.74–$30.34; the average listing price is $20.56 (sweet spot $15–$100). The average incumbent carries 403 reviews — the moat a new listing must climb.
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