---
title: "Cousin Crew Shirts — $44K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/clothing-shoes-jewelry/cousin-crew-shirts"
last_updated: "2026-08-11T12:41:33.427Z"
locale: en
meta:
description: "Niche score 49/100 · $44K/yr market · 471K searches/yr · $12.77 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 49/100 · $44K/yr market · 471K searches/yr · $12.77 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Cousin Crew Shirts — $44K/yr Amazon US Niche (2026) - Flapen"
---
# **cousin crew shirts**
**Skip it**
Weak search conversion (0.7%) — this niche doesn't clear our bar today.
Market size 11Growth 69Conversion 9Competition 93Returns 32Price range 44Avg price 56Brand share 74Review moat 92Quality gap 20
**Competition**
**Great****22%**
top-5 click share — an open shelf
**Review moat**
**Great****156.39**
avg incumbent reviews — the moat a new listing must climb
**Brand share**
**Good****60%**
top-5 brand share — brands hold most of the demand
**Growth**
**Good****+50.4%**
90-day search growth — must beat 0% to launch
**Avg price**
**Good****$12.77**
avg listing price — sweet spot $15–$100
**Price range**
**Okay****$7.10–$21.23**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Returns**
**Okay****4.4%**
return rate — above 5% kills the launch gate
**Quality gap**
**Bad****4.7★**
avg incumbent rating — lower means beatable quality
**Market size**
**Bad****$44K**
$44K/yr · 471K searches
**Conversion**
**Bad****0.7%**
search→purchase rate — share of searches ending in a sale
According to Flapen's Amazon United States niche tracking, cousin crew shirts is a $44K/yr Amazon United States market (471K searches/yr). The top 5 brands hold 60% of demand. Demand peaks in Jun–Jul–Dec. Verdict: Skip it — 49/100.
Data updated Jul 8, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **cousin crew shirts market data**
- **Units sold / yr**
- **4K–5K**
- avg 0–100/product
- **Revenue / yr**
- **$51K–$64K**
- units × avg price
- **Conversion rate**
- **0.7%**
- **Avg BSR**
- **#8,080**
- **Page quality**
- **0%**
- **Prime**
- **98%**
- **Sponsored**
- **86%**
- **Out of stock**
- **1.6%**
- **Avg brand age**
- **27 months**
- **Avg seller age**
- **168 days**
## **Competition & brand share**
Clicks spread well past the top 5 (22% combined) — an open shelf where new products get seen.
**Brands**
**36 **▲rising
**Sellers**
**35**
**Top-5 brand share**
**60%**
Top 20: 93%
**Top-5 click share**
**22%**
Top 20: 55%
**Open market**
**35%**
- Ayalinggo23% - luethbiezx11% - SANIXJOO11% - Sineeko9% - MULOIUDZ7% - VISGOGO5%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +50.4% search growth over the last 90 days.
18K13KBlack Friday '24Holiday '24Spike '25Prime Day '25Black Friday '25Holiday '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Jun, Jul, Dec · busiest ÷ quietest = 3.2×
[**Open Trend **](https://flapen.com/research/us/clothing-shoes-jewelry/cousin-crew-shirts/trend)
## **Top cousin crew shirts search terms**
- **cousin crew shirts for kids**178K/yr+56.4%0.4% conv. - **cousin crew**105K/yr+21.6%0.6% conv. - **cousin crew shirts**40K/yr+82.9%0.4% conv. - **cousin shirts**26K/yr+99.5%0.2% conv. - **cousin shirts for kids**24K/yr+22.5%0.2% conv. - **cousin crew shirt**16K/yr+70.0%0.4% conv. - **cousin shirt**19K/yr+26.6%0.2% conv. - **cousins shirts for kids**9K/yr+87.7%0.2% conv. - **cousin tshirt**8K/yr+53.5%0.0% conv. - **matching cousin outfits**7K/yr+51.6%0.2% conv. [**All search terms **](https://flapen.com/research/us/clothing-shoes-jewelry/cousin-crew-shirts/search-terms)
## **Top cousin crew shirts 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%2%$8774%$2K6%$3K8%$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**Ayalinggo Cousin Crew Toddler Baby Boy Girl Big Cousin Little Cousin Matching Outfits T Shirt Top Summer Clothes Cousin Crew Tee 18-24 Months**Ayalinggo**$10.82**4.6★185 rev](https://www.amazon.com/dp/B0CWD7BQM5) [2**Cousin Crew Toddler Baby Boy Girl Big Cousin Little Cousin Matching Outfits T Shirt Top Summer Clothes Cousin Crew Tee 3-4T**Ayalinggo**$12.23**4.6★185 rev](https://www.amazon.com/dp/B0CWD88ZG5) [3**MULOIUDZ Kid Toddler Boys Cousins Shirts Cool Cousins Club T Shirt Announcement Outfit Sibling Reveal Tees Summer Tops(Green 4-5T)**MULOIUDZ**$14.77**4.8★10 rev](https://www.amazon.com/dp/B0GVYM54MZ) [4**Cousin Crew Shirt for Toddler Boys Girls Cousin Matching Outfits T-Shirt Big Cousin Crewneck Pullover Tee Summer (Apricot 6-7 Years)**luethbiezx**$10.14**4.5★18 rev](https://www.amazon.com/dp/B0FL2JZJ68) [5**The Childrens Place Boys Family Mom Dad Sibiling Short Sleeve Graphic T-Shirts Multipacks Cousin Crew Black 2-Pack Large**The Children's Place**$12.56**4.8★2,783 rev](https://www.amazon.com/dp/B0D3M4444C)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**SUWATOIN Cousin Crew Shirts for Kids 4th of July 2-6 Years Toddler Boys Girls Matching Outfits T Shirt American Falg Top**SUWATOIN**$9.61**2 rev2mo ago](https://www.amazon.com/dp/B0GTYTFB74) [**MULOIUDZ Kid Toddler Boys Cousins Shirts Cool Cousins Club T Shirt Announcement Outfit Sibling Reveal Tees Summer Tops(Green 4-5T)**MULOIUDZ**$14.77**10 rev3mo ago](https://www.amazon.com/dp/B0GVYM54MZ) [**Kids Toddler Boys Girls Cousin Crew 4th of July Shirt USA 250th Anniversary Flag Glasses Patriotic Shirt (Red 4-5 Years)**luethbiezx**$10.44**8 rev3mo ago](https://www.amazon.com/dp/B0GS9H66HR) [**Toddler Baby Boy T-Shirt Summer Tee Letter Graphic Print Short Sleeve Crew Neck Tops Kids Cute Clothes (Raccoon Cousin Apricot 18-24 Months)**Sejardin**$9.38**32 rev5mo ago](https://www.amazon.com/dp/B0GGRLTB6H) [**Cousin Crew 2026 Summer Vacation Beach Family Trips Matching T Shirts Tees for Men Women Kids**Family Reunion Vibes Cousin Camp making memories**$15.13**7 rev6mo ago](https://www.amazon.com/dp/B0G9SJ6G27)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Kids Toddler Boys Girls Cousin Crew 4th of July Shirt USA 250th Anniversary Flag Glasses Patriotic Shirt (Red 4-5 Years)**luethbiezx**$10.44**4.7★**▲ 59%**](https://www.amazon.com/dp/B0GS9H66HR) [**MULOIUDZ Kid Toddler Boys Cousins Shirts Cool Cousins Club T Shirt Announcement Outfit Sibling Reveal Tees Summer Tops(Green 4-5T)**MULOIUDZ**$14.77**4.8★**▲ 58%**](https://www.amazon.com/dp/B0GVYM54MZ) [**SUWATOIN Cousin Crew Shirts for Kids 4th of July 2-6 Years Toddler Boys Girls Matching Outfits T Shirt American Falg Top**SUWATOIN**$9.61**5.0★**▲ 57%**](https://www.amazon.com/dp/B0GTYTFB74) [**Cousin Crew 2026 Summer Vacation Beach Family Trips Matching T Shirts Tees for Men Women Kids**Family Reunion Vibes Cousin Camp making memories**$15.13**4.8★**▲ 45%**](https://www.amazon.com/dp/B0G9SJ6G27) [**Toddler Baby Boy T-Shirt Summer Tee Letter Graphic Print Short Sleeve Crew Neck Tops Kids Cute Clothes (Raccoon Cousin Apricot 18-24 Months)**Sejardin**$9.38**4.8★**▲ 43%**](https://www.amazon.com/dp/B0GGRLTB6H)
**~~View all trending →~~**
## **What buyers say about cousin crew shirts**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Size-Overall**24%
*“Great fit”*
**Quality-Overall**19%
*“It's a decent quality, simple t-shirt”*
**Material Quality**9%
*“Good material”*
**Print Quality**6%
*“The screen printing is clear, and the material feels soft and decent quality”*
**Soft Feel**6%
*“The fabric feels soft and comfortable, which is important for active toddlers and young children”*
**Color**5%
*“The bright red color”*
**Breathability**4%
*“breathable”*
**Durability**3%
*“Cute and durable shirts”*
**Comfort-Overall**3%
*“comfortable”*
**Design-Overall**3%
*“The patriotic design is fun, festive, and perfect for celebrating Independence Day, family reunions, parades, barbecues, and other summer events”*
### **What buyers complain about **
**Size-Overall**23%
*“sizes off”*
**Advertised Vs Actual Product**12%
*“the graphic does not match the graphic in the photo”*
**Color**10%
*“I would have liked a second color to the print”*
**Quality-Overall**7%
*“Poor quality”*
**Product Condition**5%
*“Not brand new”*
**Thickness**3%
*“The material is a little thin”*
**Print Quality**2%
*“I would have liked a second color to the print”*
### **Top return reasons **
**Size-Overall**65%
**Color**10%
**Length**7%
**Advertised Vs Actual Product**3%
**Chest Fit**2%
**Quality-Overall**2%
**Material Quality**2%
**Value For Money**2%
**Sleeve Fit**1%
**Shoulder Fit**1%
## **Common questions**
- **Is cousin crew shirts profitable to sell on Amazon United States?**
- The niche generates $44K/yr across 101 tracked products. 4 of 46 products launched in the last 360 days are still selling. 90-day search growth is +50.4%. Flapen's verdict: Skip it (49/100).
- **How competitive is the cousin crew shirts niche?**
- 36 brands and 35 sellers compete. The top 5 products take 22% of clicks and top 5 brands hold 60% of demand.
- **What do buyers complain about in cousin crew shirts?**
- Top complaints mined from reviews: Size-Overall, Advertised Vs Actual Product, Color. The return rate is 4.4%.
- **When does demand for cousin crew shirts peak?**
- Demand peaks in Jun–Jul–Dec; the busiest month runs 3.2× the quietest.
- **What does it cost to enter the cousin crew shirts niche?**
- Listings span $7.10–$21.23; the average listing price is $12.77 (sweet spot $15–$100). The average incumbent carries 156 reviews — the moat a new listing must climb.
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