---
title: "Karate Bag — $9K/mo Amazon US Product Research (2026)"
canonical_url: "https://flapen.com/research/us/clothing-shoes-jewelry/karate-bag"
last_updated: "2026-08-13T08:32:21.822Z"
locale: en
meta:
description: "Amazon product research for karate bag: $9K/mo market, demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
"og:description": "Amazon product research for karate bag: $9K/mo market, demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
"og:title": "Karate Bag — $9K/mo Amazon US Product Research (2026)"
---
# **Karate Bag**
**Skip it**
Weak search conversion (1.0%) — this niche doesn't clear our bar today.
Market size 26Growth 18Conversion 13Competition 86Returns 29Price range 93Avg price 95Brand share 40Review moat 23Quality gap 23
**Avg price**
**Incredible****$32.68**
avg listing price — sweet spot $15–$100
**Price range**
**Great****$12.76–$85.31**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Competition**
**Great****29%**
top-5 click share — an open shelf
**Brand share**
**Okay****81%**
top-5 brand share — brands hold most of the demand
**Returns**
**Okay****4.7%**
return rate — above 5% kills the launch gate
**Market size**
**Okay****$108K**
$108K/yr · 330K searches
**Quality gap**
**Bad****4.6★**
avg incumbent rating — lower means beatable quality
**Review moat**
**Bad****7,793.78**
avg incumbent reviews — the moat a new listing must climb
**Growth**
**Bad****-14.9%**
90-day search growth — must beat 0% to launch
**Conversion**
**Bad****1.0%**
search→purchase rate — share of searches ending in a sale
## **Is karate bag profitable on Amazon?**
According to Flapen's Amazon United States niche tracking, karate bag is a $108K/yr Amazon United States market (330K searches/yr). The top 5 brands hold 81% of demand. Verdict: Skip it — 40/100.
Data updated Jul 11, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **karate bag market size & sales**
Units sold, revenue, conversion and listing quality across the tracked shelf.
- **Units sold / yr**
- **3K–4K**
- avg 0–100/product
- **Revenue / yr**
- **$98K–$131K**
- units × avg price
- **Conversion rate**
- **1.0%**
- **Avg BSR**
- **#453**
- **Page quality**
- **0%**
- **Prime**
- **94%**
- **Sponsored**
- **59%**
- **Out of stock**
- **4.2%**
- **Avg brand age**
- **41 months**
- **Avg seller age**
- **138 days**
## **Competition: brands, sellers & click share**
Clicks spread well past the top 5 (29% combined) — an open shelf where new products get seen.
**Brands**
**21 **▲rising
**Sellers**
**179**
**Top-5 brand share**
**81%**
Top 20: 99%
**Top-5 click share**
**29%**
Top 20: 62%
**Open market**
**16%**
- Under Armour64% - AAMA6% - adidas5% - Elite Sports4% - HYKING3% - BAGSMART3% - Open — no brand owns it (15 brands, 16%)
## **karate bag demand & seasonality**
Weekly Amazon search volume, last 62 weeks — -14.9% search growth over the last 90 days.
7K5KPrime Day '25Black Friday '25Holiday '25Spike '26 seasonMayJunJulAugSepOctNovDecJanFebMarAprMayJun
No pronounced peak months · busiest ÷ quietest = 1.3×
[**Open Trend **](https://flapen.com/research/us/clothing-shoes-jewelry/karate-bag/trend)
## **Top karate bag search terms shoppers use**
The exact queries shoppers type, with yearly volume, growth and conversion.
- **under armour duffle bag**71K/yr-17.1%1.0% conv. - **under armour bag**53K/yr-4.4%0.7% conv. - **under armour gym bag**35K/yr-31.5%1.1% conv. - **karate bag**27K/yr-15.1%0.4% conv. - **taekwondo bag**21K/yr-13.3%0.3% conv. - **martial arts bag**15K/yr-5.2%0.3% conv. - **under armour duffel bag**15K/yr-14.9%1.3% conv. - **gym bag under armour**10K/yr-13.8%1.3% conv. - **under armour bags**10K/yr+0.2%0.2% conv. - **bolso under armour**6K/yr+10.1%0.3% conv. [**All search terms **](https://flapen.com/research/us/clothing-shoes-jewelry/karate-bag/search-terms)
## **Top karate bag 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.
0%3%$3K6%$6K9%$10K12%$13K101001K10K100K 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**Under Armour Unisex-Adult Undeniable 5.0 Duffle Black (001)/Metallic Silver Medium**Under Armour**$37.93**4.7★25,403 rev](https://www.amazon.com/dp/B093LSTLVK) [2**Under Armour Unisex-Adult Undeniable 5.0 Duffle Pitch Gray Medium Heather (012)/Black Small**Under Armour**$35.20**4.7★25,403 rev](https://www.amazon.com/dp/B093LTBKFT) [3**Under Armour Unisex Hustle Sackpack (001) Black/Black/White One Size Fits Most**Under Armour**$19.80**4.7★600 rev](https://www.amazon.com/dp/B0DH6C6YRC) [4**AAMA Martial Arts Taekwondo Sparring Gear Equipment Bag - Red - Large**AAMA**$49.13**4.5★139 rev](https://www.amazon.com/dp/B08B4912CS) [5**Under Armour Unisex-Adult Undeniable 5.0 Duffle Black (001)/Metallic Silver Small**Under Armour**$32.38**4.7★25,403 rev](https://www.amazon.com/dp/B093LQ8W49)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Elite Sports Monster MMA Duffel Bag Large 44L Cordura Sports Bag w/Mesh Shoe Compartment & Adjustable Strap MMA BJJ Martial Arts Gear Fits Gi Headgear Shin Guards Rash Guards & More**Elite Sports**$66.43**101 rev1y ago](https://www.amazon.com/dp/B0F8P99WKY) [**Under Armour Undeniable 5.0 Duffel XS Blue Smoke/Blue Smoke/Blue Calm**Under Armour**$39.09**103 rev1y ago](https://www.amazon.com/dp/B0DJ3QX7BN) [**Under Armour Unisex Undeniable 5.0 Duffel Small Expedition Green/Black/Orange Base**Under Armour**$38.11**28 rev1y ago](https://www.amazon.com/dp/B0DJ3QP8LJ) [**Under Armour Unisex Hustle Sackpack (001) Black/Black/White One Size Fits Most**Under Armour**$19.80**600 rev1y ago](https://www.amazon.com/dp/B0DH6C6YRC) [**Under Armour Unisex Hustle Sport 6.0 Backpack (002) Black/Metallic Black One Size Fits Most**Under Armour**$31.41**592 rev1y ago](https://www.amazon.com/dp/B0DH5ZJYTM)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Under Armour Unisex Hustle Sport 6.0 Backpack (001) Black/Black/Metallic Silver One Size Fits Most**Under Armour**$30.17**4.7★**▲ 126%**](https://www.amazon.com/dp/B0DH6C8XF6) [**Under Armour Unisex-Adult Undeniable 5.0 Duffle Midnight Navy (410)/Metallic Silver Small**Under Armour**$35.39**4.7★**▲ 117%**](https://www.amazon.com/dp/B093LRZ3DJ) [**3 In 1 Tactical 30L Military Backpack Travel Duffle Bag for Weekender Gym Workout Deployment**HYKING**$34.79**4.5★**▲ 112%**](https://www.amazon.com/dp/B0CP2XR7G7) [**Fitgriff Gym Bag for Men & Women with Shoe & Wet Compartment - Duffle Bag for Travel Sports Fitness & Workout (Full Black 19 x 10 x 10 (Small))**Fitgriff**$35.00**4.7★**▲ 80%**](https://www.amazon.com/dp/B07P8R34H7) [**Under Armour Unisex-Adult Undeniable 5.0 Duffle (010) Black/Black/Black One Size Fits Most**Under Armour**$41.86**4.7★**▲ 77%**](https://www.amazon.com/dp/B0CJVR6SP6)
**~~View all trending →~~**
## **What reviews say buyers love and hate about karate bag**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Size-Overall**15%
*“Great bag fits everything”*
**Quality-Overall**15%
*“Decent quality”*
**Pockets/Compartments**9%
*“Lots of pockets”*
**Durability**7%
*“Durable and comfortable”*
**Exercise/Sports Suitability**7%
*“Nice bag for any occasion or sports”*
**Value For Money**7%
*“good value”*
**Storage Capacity**6%
*“Big capacity”*
**Advertised Vs Actual Product**3%
*“As advertised”*
**Material Quality**3%
*“Materials dont feel cheap”*
**Strength**3%
*“Great bag sturdy”*
### **What buyers complain about **
**Size-Overall**19%
*“Small bag”*
**Quality-Overall**10%
*“Low quality”*
**Durability**9%
*“Broke after minimal use”*
**Strap/String Quality**7%
*“strap broke in 2 weeks”*
**Zipper Quality**6%
*“Zipper broke on the first day”*
**Pockets/Compartments**3%
*“Inside bag pocket/ pouch was ripped”*
**Stitch/Finish/Polish**2%
*“Poor quality stitches”*
**Smell**2%
*“Chemical odor”*
**Value For Money**2%
*“waste of money”*
**Strength**2%
*“kinda flimsy”*
### **Top return reasons **
**Size-Overall**68%
**Advertised Vs Actual Product**4%
**Material Quality**3%
**Color**3%
**Quality-Overall**2%
**Wrong Dimensions**2%
**Strap/String Quality**2%
**Pockets/Compartments**2%
**Zipper Quality**2%
**Value For Money**2%
## **Common karate bag questions**
- **Is karate bag profitable to sell on Amazon United States?**
- The niche generates $108K/yr across 63 tracked products. 2 of 2 products launched in the last 360 days are still selling. 90-day search growth is -14.9%. Flapen's verdict: Skip it (40/100).
- **How competitive is the karate bag niche?**
- 21 brands and 179 sellers compete. The top 5 products take 29% of clicks and top 5 brands hold 81% of demand.
- **What do buyers complain about in karate bag?**
- Top complaints mined from reviews: Size-Overall, Quality-Overall, Durability. The return rate is 4.7%.
- **When does demand for karate bag peak?**
- Demand is steady year-round — the busiest month runs 1.3× the quietest.
- **What does it cost to enter the karate bag niche?**
- Listings span $12.76–$85.31; the average listing price is $32.68 (sweet spot $15–$100). The average incumbent carries 7,794 reviews — the moat a new listing must climb.
## **Related niches to research next**
Same-category niches scoring near this one — the next ones worth researching.
- 72 [**first communion gifts for boys**](https://flapen.com/research/us/clothing-shoes-jewelry/first-communion-gifts-for-boys)$398K/yr+223.5%**Worth a look**- 72 [**fifa world cup 2026 tshirt**](https://flapen.com/research/us/clothing-shoes-jewelry/fifa-world-cup-2026-tshirt)$177K/yr>1,000%**Worth a look**- 72 [**american flag hat**](https://flapen.com/research/us/clothing-shoes-jewelry/american-flag-hat)$764K/yr+428.8%**Worth a look**- 72 [**white socks men**](https://flapen.com/research/us/clothing-shoes-jewelry/white-socks-men)$3.0M/yr+13.3%**Launch it**- 72 [**american flag overalls**](https://flapen.com/research/us/clothing-shoes-jewelry/american-flag-overalls)$662K/yr>1,000%**Worth a look**- 73 [**white ankle socks for men**](https://flapen.com/research/us/clothing-shoes-jewelry/white-ankle-socks-for-men)$448K/yr+88.3%**Worth a look**[**All Clothing, Shoes & Jewelry niches **](https://flapen.com/research/us/clothing-shoes-jewelry)