---
title: "Nami Cosplay — $39K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/clothing-shoes-jewelry/nami-cosplay"
last_updated: "2026-08-06T21:24:59.447Z"
locale: en
meta:
description: "Niche score 47/100 · $39K/yr market · 160K searches/yr · $27.83 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 47/100 · $39K/yr market · 160K searches/yr · $27.83 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Nami Cosplay — $39K/yr Amazon US Niche (2026) - Flapen"
---
# **nami cosplay**
**Skip it**
A small market ($39K/yr) — this niche doesn't clear our bar today.
Market size 10Growth 53Conversion 11Competition 48Returns 15Price range 88Avg price 95Brand share 48Review moat 92Quality gap 96
**Quality gap**
**Incredible****4.0★**
avg incumbent rating — lower means beatable quality
**Avg price**
**Incredible****$27.83**
avg listing price — sweet spot $15–$100
**Review moat**
**Great****168.04**
avg incumbent reviews — the moat a new listing must climb
**Price range**
**Great****$8.97–$82.36**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Growth**
**Good****+24.3%**
90-day search growth — must beat 0% to launch
**Competition**
**Okay****56%**
top-5 click share — leaders hold, buyers still browse
**Brand share**
**Okay****76%**
top-5 brand share — brands hold most of the demand
**Returns**
**Bad****7.8%**
return rate — above 5% kills the launch gate
**Conversion**
**Bad****0.9%**
search→purchase rate — share of searches ending in a sale
**Market size**
**Bad****$39K**
$39K/yr · 160K searches
**Signals**[** Low Review Barrier**](https://flapen.com/research/niches?market=us&signal=low_review_barrier "Top brand's reviews < 500") [** Quality Gap**](https://flapen.com/research/niches?market=us&signal=quality_gap "Avg rating < 4.0") [** High Returns**](https://flapen.com/research/niches?market=us&signal=high_returns "Return rate > 5%")
According to Flapen's Amazon United States niche tracking, nami cosplay is a $39K/yr Amazon United States market (160K searches/yr). The top 5 brands hold 76% of demand. Demand peaks in Sep–Oct. Verdict: Skip it — 47/100.
Data updated Jul 21, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **nami cosplay market data**
- **Units sold / yr**
- **750–1K**
- avg 0–100/product
- **Revenue / yr**
- **$21K–$28K**
- units × avg price
- **Conversion rate**
- **0.9%**
- **Avg BSR**
- **#65,867**
- **Page quality**
- **0%**
- **Prime**
- **88%**
- **Sponsored**
- **46%**
- **Out of stock**
- **17.4%**
- **Avg brand age**
- **38 months**
- **Avg seller age**
- **176 days**
## **Competition & brand share**
The top 5 products take 56% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**18 **▼falling
**Sellers**
**20**
**Top-5 brand share**
**76%**
Top 20: 100%
**Top-5 click share**
**56%**
Top 20: 93%
**Open market**
**20%**
- iSHOWcos43% - Generic13% - haikyuu13% - Tongtta4% - SINGUYUN4% - STARRUM4%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +24.3% search growth over the last 90 days.
10K6KSpike '24Spike '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Sep, Oct · busiest ÷ quietest = 7.5×
[**Open Trend **](https://flapen.com/research/us/clothing-shoes-jewelry/nami-cosplay/trend)
## **Top nami cosplay search terms**
- **nami cosplay**103K/yr+17.3%0.4% conv. - **nami costume**19K/yr+112.8%0.3% conv. - **nami one piece cosplay**8K/yr-7.3%0.6% conv. - **nami bikini**6K/yr+81.8%0.9% conv. - **nami cosplay one piece**8K/yr-3.8%0.3% conv. - **one piece nami cosplay**5K/yr+38.1%0.3% conv. - **nami one piece costume**6K/yr+72.0%0.1% conv. - **one piece nami costume**3K/yr+20.6%0.2% conv. - **nami costume women**3K/yr+62.5%0.8% conv. [**All search terms **](https://flapen.com/research/us/clothing-shoes-jewelry/nami-cosplay/search-terms)
## **Top nami cosplay 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%10%$4K20%$8K30%$12K40%$16K1101001K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)2 products missing review or click data not plotted
All 24 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**iSHOWcos Anime Cosplay Costume Sexy Green Swimsuit Bikini Two-Piece Set Swimwear Women Bathing Suit-S**iSHOWcos**$20.12**4.3★48 rev](https://www.amazon.com/dp/B0CQT753BD) [2**iSHOWcos Anime Cosplay Costume Sexy Green Swimsuit Bikini Two-Piece Set Swimwear Women Bathing Suit-XL**iSHOWcos**$20.39**4.3★48 rev](https://www.amazon.com/dp/B0CQT7JYB8) [3**Womens Cosplay Bikini Set Cosplay Costume Bikini Set(S)**Generic**$20.43**4.1★40 rev](https://www.amazon.com/dp/B0BDLJ41CM) [4**Womens Cosplay Bikini Set Cosplay Costume Bikini Set (M)**Generic**$20.75**4.1★40 rev](https://www.amazon.com/dp/B0BDLMWPDJ) [5**haikyuu Nami Kimono Japanese Anime Cosplay Costume Blue Dress Set (blue large)**haikyuu**$42.69**3.5★6 rev](https://www.amazon.com/dp/B0F9KWWG8C)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Nami Cosplay Women Costume Nami Vest Skirt Belt Plush Shawl Leg Cover Fullset Adult Women Halloween Outfits**ulesoke**$51.88**0 rev3mo ago](https://www.amazon.com/dp/B0GWF13T4V) [**Nami Cosplay Compass Nami Costume Accessories Watch Marine Compass Halloween Adults Outfits Props Brown**Hainnum**$14.12**0 rev3mo ago](https://www.amazon.com/dp/B0GTTYHVV7) [**haikyuu Pirate Nami Cosplay Costume With Hat Captain Dress Renaissance Costume Medieval Halloween (blue medium)**haikyuu**$82.36**5 rev1y ago](https://www.amazon.com/dp/B0FCY9M6Y5) [**haikyuu Nami Kimono Japanese Anime Cosplay Costume Blue Dress Set (blue large)**haikyuu**$42.69**6 rev1y ago](https://www.amazon.com/dp/B0F9KWWG8C) [**abouder Nami Cosplay Wig with Tattoos Curly Orange Heat Resistant Synthetic Hair Halloween Anime Costume Party Wig for Women**abouder**$26.86**6 rev1y ago](https://www.amazon.com/dp/B0F7GF8G89)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**iSHOWcos Anime Cosplay Costume Sexy Green Swimsuit Bikini Two-Piece Set Swimwear Women Bathing Suit-S**iSHOWcos**$20.12**4.3★**▲ 162%**](https://www.amazon.com/dp/B0CQT753BD) [**Nami Cosplay Women Costume Nami Vest Skirt Belt Plush Shawl Leg Cover Fullset Adult Women Halloween Outfits**ulesoke**$51.88**0.0★**▲ 162%**](https://www.amazon.com/dp/B0GWF13T4V) [**iSHOWcos Nico Robin Cosplay Bikini Women Sexy Triangle Bikini Halter Two Piece Set Swimsuit String Tie Side Bathing Suit (Small)**iSHOWcos**$20.12**2.8★**▲ 68%**](https://www.amazon.com/dp/B0DB4NTNZN) [**Nami Cosplay Compass Nami Costume Accessories Watch Marine Compass Halloween Adults Outfits Props Brown**Hainnum**$14.12**0.0★**▲ 67%**](https://www.amazon.com/dp/B0GTTYHVV7) [**iSHOWcos Anime Costume Women Green T-shirt Vest Sleeveless Sexy Tank Top Female Halloween Costume-XL**iSHOWcos**$19.72**3.7★**▲ 50%**](https://www.amazon.com/dp/B0CQT9L1Z8)
**~~View all trending →~~**
## **What buyers say about nami cosplay**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**38%
*“Good quality”*
**Shape/Style**19%
*“Great outfit”*
**Comfort-Overall**6%
*“this is really comfortable and cute”*
**Material Quality**6%
*“Material that lifts”*
**Durability**6%
*“held up well”*
**Size-Overall**6%
*“True to size”*
**Ease Of Use**6%
*“Does tangle easy”*
### **What buyers complain about **
**Size-Overall**25%
*“Tattoos are tiny”*
**Quality-Overall**25%
*“looks cheap”*
**Adhesion/Stickiness**20%
*“Does not STICK”*
**Material Quality**5%
*“made of cheap horrible materiel that does not bend or flex”*
**Flexibility**5%
*“made of cheap horrible materiel that does not bend or flex”*
### **Top return reasons **
**Size-Overall**37%
**Wig/Artificial Hair Quality**13%
**Chest Fit**8%
**Color**8%
**Material Quality**5%
**Waist Fit**5%
**Length**4%
**Advertised Vs Actual Product**3%
**Thin**2%
**Quality-Overall**2%
## **Common questions**
- **Is nami cosplay profitable to sell on Amazon United States?**
- The niche generates $39K/yr across 26 tracked products. 0 of 2 products launched in the last 360 days are still selling. 90-day search growth is +24.3%. Flapen's verdict: Skip it (47/100).
- **How competitive is the nami cosplay niche?**
- 18 brands and 20 sellers compete. The top 5 products take 56% of clicks and top 5 brands hold 76% of demand.
- **What do buyers complain about in nami cosplay?**
- Top complaints mined from reviews: Size-Overall, Quality-Overall, Adhesion/Stickiness. The return rate is 7.8% — above our launch gate.
- **When does demand for nami cosplay peak?**
- Demand peaks in Sep–Oct; the busiest month runs 7.5× the quietest.
- **What does it cost to enter the nami cosplay niche?**
- Listings span $8.97–$82.36; the average listing price is $27.83 (sweet spot $15–$100). The average incumbent carries 168 reviews — the moat a new listing must climb.
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