---
title: "Celtics Shirt — $314K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/sports-outdoors/celtics-shirt"
last_updated: "2026-08-11T11:27:37.769Z"
locale: en
meta:
description: "Niche score 29/100 · $314K/yr market · 1.0M searches/yr · $31.46 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 29/100 · $314K/yr market · 1.0M searches/yr · $31.46 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Celtics Shirt — $314K/yr Amazon US Niche (2026) - Flapen"
---
# **celtics shirt**
**Skip it**
Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Market size 52Growth 7Conversion 12Competition 12Returns 47Price range 93Avg price 95Brand share 0Review moat 40Quality gap 15
**Avg price**
**Incredible****$31.46**
avg listing price — sweet spot $15–$100
**Price range**
**Great****$13.47–$69.02**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Market size**
**Good****$314K**
$314K/yr · 1.0M searches
**Returns**
**Okay****3.2%**
return rate — above 5% kills the launch gate
**Review moat**
**Okay****2,459.33**
avg incumbent reviews — the moat a new listing must climb
**Quality gap**
**Bad****4.8★**
avg incumbent rating — lower means beatable quality
**Conversion**
**Bad****1.0%**
search→purchase rate — share of searches ending in a sale
**Competition**
**Bad****85%**
top-5 click share — a locked-up shelf
**Growth**
**Bad****-36.8%**
90-day search growth — must beat 0% to launch
**Brand share**
**Bad****100%**
top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, celtics shirt is a $314K/yr Amazon United States market (1.0M searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Mar–Nov–Dec. Verdict: Skip it — 29/100.
Data updated Jul 25, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **celtics shirt market data**
- **Units sold / yr**
- **13K–15K**
- avg 500–750/product
- **Revenue / yr**
- **$393K–$472K**
- units × avg price
- **Conversion rate**
- **1.0%**
- **Avg BSR**
- **#417**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **67%**
- **Out of stock**
- **2.8%**
- **Avg brand age**
- **44 months**
- **Avg seller age**
- **165 days**
## **Competition & brand share**
The top 5 products capture 85% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**5 **▼falling
**Sellers**
**11**
**Top-5 brand share**
**100%**
Top 20: 100%
**Top-5 click share**
**85%**
Top 20: 100%
**Open market**
**0%**
- WILSON68% - Outerstuff11% - 478% - Ultra Game8% - GAP5%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -36.8% search growth over the last 90 days.
15K10KSpike '24Black Friday '24Spike '25Prime Day '25Holiday '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Mar, Nov, Dec · busiest ÷ quietest = 3.2×
[**Open Trend **](https://flapen.com/research/us/sports-outdoors/celtics-shirt/trend)
## **Top celtics shirt search terms**
- **celtics**418K/yr-20.2%0.0% conv. - **boston celtics**210K/yr-31.0%0.1% conv. - **celtics shirt**58K/yr-61.7%0.3% conv. - **boston celtics shirt**41K/yr-44.8%0.3% conv. - **boston celtics jersey**29K/yr-32.2%0.1% conv. - **boston celtics gifts**43K/yr-8.0%0.1% conv. - **celtics basketball**26K/yr-4.5%2.7% conv. - **celtics merch**30K/yr-44.6%0.0% conv. - **celtics t shirt**13K/yr-36.8%0.3% conv. - **celtics sweatshirt**39K/yr-82.5%0.0% conv. [**All search terms **](https://flapen.com/research/us/sports-outdoors/celtics-shirt/search-terms)
## **Top celtics 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%20%$63K40%$126K60%$188K80%$251K1101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 9 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**WILSON NBA Team Retro Mini Basketball - Boston Celtics**WILSON**$13.47**4.7★1,995 rev](https://www.amazon.com/dp/B091MS9223) [2**47 NBA Unisex-Adult Clean Up Adjustable Hat Cap One Size Fits All (Boston Celtics) Multi**47**$33.01**4.8★85 rev](https://www.amazon.com/dp/B0BN6NF382) [3**GAP Mens NBA Graphic T-Shirt Celtics Medium**GAP**$18.08**4.8★45 rev](https://www.amazon.com/dp/B0FHL26CR7) [4**WILSON NBA Team Graffiti Basketball - Boston Celtics Size 7-29.5**WILSON**$24.51**4.8★687 rev](https://www.amazon.com/dp/B0DF8Q7K7C) [5**Ultra Game Mens NBA Official Teamster Short Sleeve T-Shirt Boston Celtics Team Color Large**Ultra Game**$14.93**4.7★505 rev](https://www.amazon.com/dp/B0D1D94LW8)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**GAP Mens NBA Graphic T-Shirt Celtics Medium**GAP**$18.08**45 rev7mo ago](https://www.amazon.com/dp/B0FHL26CR7) [**Ultra Game Mens NBA Official Teamster Short Sleeve T-Shirt Boston Celtics Team Color Large**Ultra Game**$14.93**505 rev9mo ago](https://www.amazon.com/dp/B0D1D94LW8) [**Ultra Game NBA Official Mens Super Soft Supreme T-Shirt - Unisex Boston Celtics Black Large**Ultra Game**$19.86**18,685 rev9mo ago](https://www.amazon.com/dp/B01LZBS8N4) [**Outerstuff Jayson Tatum Boston Celtics NBA Kids Youth 8-20 Black Statement Edition Swingman Jersey (US Numeric 14 16 Regular Jayson Tatum Boston Celtics Black)**Outerstuff**$69.02**28 rev1y ago](https://www.amazon.com/dp/B0FFP713K4) [**Jayson Tatum Boston Celtics NBA Toddler 2-4 Green Icon Edition Performance Jersey T-Shirt (US Age 4 Years Jayson Tatum Boston Celtics Green)**Outerstuff**$21.31**8 rev1y ago](https://www.amazon.com/dp/B0F95QFG1Q)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Outerstuff Jayson Tatum Boston Celtics NBA Kids Youth 8-20 Black Statement Edition Swingman Jersey (US Numeric 14 16 Regular Jayson Tatum Boston Celtics Black)**Outerstuff**$69.02**4.7★**▲ 178%**](https://www.amazon.com/dp/B0FFP713K4) [**Jayson Tatum Boston Celtics NBA Toddler 2-4 Green Icon Edition Performance Jersey T-Shirt (US Age 4 Years Jayson Tatum Boston Celtics Green)**Outerstuff**$21.31**5.0★**▲ 140%**](https://www.amazon.com/dp/B0F95QFG1Q) [**Jayson Tatum Boston Celtics NBA Kids Youth 8-20 Green Icon Edition Swingman Jersey (US Numeric 10 12 Regular Green)**Outerstuff**$68.92**4.6★**▲ 125%**](https://www.amazon.com/dp/B0CKFK71YZ) [**GAP Mens NBA Graphic T-Shirt Celtics Medium**GAP**$18.08**4.8★**▲ 102%**](https://www.amazon.com/dp/B0FHL26CR7) [**WILSON NBA Team Graffiti Basketball - Boston Celtics Size 7-29.5**WILSON**$24.51**4.8★**▲ 11%**](https://www.amazon.com/dp/B0DF8Q7K7C)
**~~View all trending →~~**
## **What buyers say about celtics shirt**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**29%
*“Full-size mens ball; good quality”*
**Size-Overall**24%
*“Fits perfect”*
**Material Quality**18%
*“Material is amasing great fitt,100% recommend”*
**Soft Feel**10%
*“super soft”*
**Value For Money**8%
*“Great value for any Celtics fan”*
**Comfort-Overall**8%
*“comfortable”*
**Graphic/Print**4%
*“the graphics have held up well so far”*
### **What buyers complain about **
**Color**100%
*“The color of the ball comes off way too fast”*
### **Top return reasons **
**Size-Overall**73%
**Color**4%
**Length**4%
**Material Quality**3%
**Inflation/Deflation**2%
**Stain Resistance**2%
**Shape/Style**2%
**Advertised Vs Actual Product**2%
**Stitch/Finish/Polish**1%
**Flatness**1%
## **Common questions**
- **Is celtics shirt profitable to sell on Amazon United States?**
- The niche generates $314K/yr across 9 tracked products. 1 of 3 products launched in the last 360 days are still selling. 90-day search growth is -36.8%. Flapen's verdict: Skip it (29/100).
- **How competitive is the celtics shirt niche?**
- 5 brands and 11 sellers compete. The top 5 products take 85% of clicks and top 5 brands hold 100% of demand.
- **What do buyers complain about in celtics shirt?**
- Top complaints mined from reviews: Color. The return rate is 3.2%.
- **When does demand for celtics shirt peak?**
- Demand peaks in Mar–Nov–Dec; the busiest month runs 3.2× the quietest.
- **What does it cost to enter the celtics shirt niche?**
- Listings span $13.47–$69.02; the average listing price is $31.46 (sweet spot $15–$100). The average incumbent carries 2,459 reviews — the moat a new listing must climb.
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