---
title: "Mariners Sweatshirt — $1K/mo Amazon US Product Research"
canonical_url: "https://flapen.com/research/us/clothing-shoes-jewelry/mariners-sweatshirt"
last_updated: "2026-08-12T10:00:27.376Z"
locale: en
meta:
description: "Amazon product research for mariners sweatshirt: $1K/mo market, demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
"og:description": "Amazon product research for mariners sweatshirt: $1K/mo market, demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
"og:title": "Mariners Sweatshirt — $1K/mo Amazon US Product Research"
---
# **Mariners Sweatshirt**
**Skip it**
High returns (11.8%) — this niche doesn't clear our bar today.
Market size 3Growth 11Conversion 4Competition 89Returns 1Price range 79Avg price 95Brand share 94Review moat 25Quality gap 38
**Avg price**
**Incredible****$37.83**
avg listing price — sweet spot $15–$100
**Brand share**
**Great****41%**
top-5 brand share — no brand owns this niche
**Competition**
**Great****26%**
top-5 click share — an open shelf
**Price range**
**Great****$8.98–$114.90**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Quality gap**
**Okay****4.5★**
avg incumbent rating — lower means beatable quality
**Review moat**
**Bad****4,172.89**
avg incumbent reviews — the moat a new listing must climb
**Growth**
**Bad****-28.8%**
90-day search growth — must beat 0% to launch
**Conversion**
**Bad****0.3%**
search→purchase rate — share of searches ending in a sale
**Market size**
**Bad****$13K**
$13K/yr · 116K searches
**Returns**
**Bad****11.8%**
return rate — above 5% kills the launch gate
**Signals**[** No Dominant Brand**](https://flapen.com/research/niches?market=us&signal=no_dominant_brand "Top brand's click share < 20%") [** Low Review Barrier**](https://flapen.com/research/niches?market=us&signal=low_review_barrier "Top brand's reviews < 500") [** High Returns**](https://flapen.com/research/niches?market=us&signal=high_returns "Return rate > 5%")
## **Is mariners sweatshirt profitable on Amazon?**
According to Flapen's Amazon United States niche tracking, mariners sweatshirt is a $13K/yr Amazon United States market (116K searches/yr). The top 5 brands hold 41% of demand. Verdict: Skip it — 39/100.
Data updated Jul 21, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **mariners sweatshirt market size & sales**
Units sold, revenue, conversion and listing quality across the tracked shelf.
- **Units sold / yr**
- **750–1K**
- avg 0–100/product
- **Revenue / yr**
- **$28K–$38K**
- units × avg price
- **Conversion rate**
- **0.3%**
- **Avg BSR**
- **#33,825**
- **Page quality**
- **0%**
- **Prime**
- **59%**
- **Sponsored**
- **83%**
- **Out of stock**
- **24.0%**
- **Avg brand age**
- **37 months**
- **Avg seller age**
- **177 days**
## **Competition: brands, sellers & click share**
Clicks spread well past the top 5 (26% combined) — an open shelf where new products get seen.
**Brands**
**41 **▲rising
**Sellers**
**49**
**Top-5 brand share**
**41%**
Top 20: 87%
**Top-5 click share**
**26%**
Top 20: 58%
**Open market**
**54%**
- Wild Bobby11% - Amazon Essentials9% - G-III Sports8% - Xtreme Apparrel6% - Mitchell & Ness6% - Vintage Retro Washington Apparel5%
## **mariners sweatshirt demand & seasonality**
Weekly Amazon search volume, last 37 weeks — -28.8% search growth over the last 90 days.
5K4KHoliday '25Spike '26Nov '25Dec '25Jan '26Mar '26Apr '26May '26
[**Open Trend **](https://flapen.com/research/us/clothing-shoes-jewelry/mariners-sweatshirt/trend)
## **Top mariners sweatshirt search terms shoppers use**
The exact queries shoppers type, with yearly volume, growth and conversion.
- **seattle mariners sweatshirt**28K/yr-21.4%0.3% conv. - **seattle mariners hoodie**24K/yr-37.2%0.3% conv. - **mariners sweatshirt**30K/yr-27.8%0.3% conv. - **mariners hoodie**18K/yr-40.1%0.6% conv. - **mariners sweatshirt women**7K/yr-4.8%0.9% conv. - **mariners sweatshirt men**5K/yr-18.0%1.2% conv. - **mariners hoodie men**4K/yr-7.6%0.5% conv. [**All search terms **](https://flapen.com/research/us/clothing-shoes-jewelry/mariners-sweatshirt/search-terms)
## **Top mariners sweatshirt 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%2%$2634%$5256%$7888%$1K1101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)3 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**Wild Bobby Hometown Fan Team Pride Baseball Sweatshirt Unisex Crewneck Sports Fan Baseball Sweater Crewneck Sweatshirt Game Day Apparel Gift Seattle Navy Large**Wild Bobby**$31.07**4.6★48 rev](https://www.amazon.com/dp/B0C8NNCMX7) [2**G-III Sports Mens Seattle Mariners Lightweight Pullover Hoodie (US Alpha Large Regular Regular Navy)**G-III Sports**$67.16**4.5★2 rev](https://www.amazon.com/dp/B0GQKCLF6V) [3**Mitchell & Ness Mens Seattle Mariners Head Coach Pullover Hoodie (US Alpha Large Regular Regular Blue)**Mitchell & Ness**$113.65**0.0★0 rev](https://www.amazon.com/dp/B0GH3CC8T7) [4**Amazon Essentials Mens Crewneck Fleece Sweatshirt with Ribbing (Available in Big & Tall) Navy Large**Amazon Essentials**$11.56**4.5★41,629 rev](https://www.amazon.com/dp/B075JNJDDM) [5**Seattle Washington Three Stripe Vintage Weathered Pullover Hoodie**Vintage Retro Washington Apparel**$30.23**4.4★12 rev](https://www.amazon.com/dp/B09KXJLFC1)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**G-III Sports Mens Seattle Mariners Lightweight Pullover Hoodie (US Alpha Large Regular Regular Navy)**G-III Sports**$67.16**2 rev4mo ago](https://www.amazon.com/dp/B0GQKCLF6V) [**BarleyCone Jaxon Smith-Njigba AIR JSN Seattle Hooded Sweatshirt Hoodie ADULT MEDIUM Navy Blue**BarleyCone**$39.48**0 rev5mo ago](https://www.amazon.com/dp/B0GP38S6Z5) [**Maine Maritime Mariners Arch Over Blue Officially Licensed Pullover Hoodie**Elite Authentics**$39.25**2 rev8mo ago](https://www.amazon.com/dp/B0G29CLJ7P) [**ALLTB Baseball Sweatshirt Women Game day Sweater Funny Ballgame Graphic Shirt Casual Long Sleeve Top for Mom Baseball Football Fan Apricot**ALLTB**$24.53**64 rev10mo ago](https://www.amazon.com/dp/B0FR8D48PV) [**Cal Raleigh | Seattle MLB Baseball Players | MLBCRA202M Pullover Hoodie**License Champs**$31.86**8 rev12mo ago](https://www.amazon.com/dp/B0FJHPY73P)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Amazon Essentials Mens Crewneck Fleece Sweatshirt with Ribbing (Available in Big & Tall) Navy Large**Amazon Essentials**$11.56**4.5★**▲ 170%**](https://www.amazon.com/dp/B075JNJDDM) [**Mitchell & Ness Mens Seattle Mariners Head Coach Pullover Hoodie (US Alpha Large Regular Regular Blue)**Mitchell & Ness**$113.65**0.0★**▲ 168%**](https://www.amazon.com/dp/B0GH3CC8T7) [**47 Seattle Mariners Union Arch Headline Hoodie (US Alpha XX-Large Regular Regular Navy)**47**$74.94**0.0★**▲ 165%**](https://www.amazon.com/dp/B0GS4DSHQN) [**Men & Women Seattle City Classic Football Embroidery Sweatshirt Jersey Apparel Pullover Hoodie - Navy#2 L**RZUO**$39.93**4.7★**▲ 158%**](https://www.amazon.com/dp/B0BGQDW245) [**BarleyCone Jaxon Smith-Njigba AIR JSN Seattle Hooded Sweatshirt Hoodie ADULT MEDIUM Navy Blue**BarleyCone**$39.48**0.0★**▲ 143%**](https://www.amazon.com/dp/B0GP38S6Z5)
**~~View all trending →~~**
## **What reviews say buyers love and hate about mariners sweatshirt**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Size-Overall**18%
*“Fit is accurate”*
**Quality-Overall**14%
*“High quality sweatshirt”*
**Comfort-Overall**12%
*“Super comfortable”*
**Color**12%
*“Vibrant color”*
**Soft Feel**7%
*“soft inside”*
**Warmth**4%
*“Warm and comfy”*
**Weight Light**3%
*“Not too heavy”*
**Material Quality**3%
*“The material is nice and thick”*
**Value For Money**2%
*“Great value for money”*
**Advertised Vs Actual Product**2%
*“As described”*
### **What buyers complain about **
**Size-Overall**24%
*“Way too small”*
**Sleeve Fit**6%
*“The sleeves shrunk to an unnatural length after washing”*
**Color**4%
*“Don't buy the gray”*
**Quality-Overall**3%
*“It isnt the same quality as LULU or ALO”*
**Material Quality**3%
*“I think I sent this product back or gave to good will - did not like the material”*
**Thickness**3%
*“Its very thick”*
**Advertised Vs Actual Product**2%
*“it didnt really look like the picture”*
**Arm Fit**2%
*“my arms aren't abnormally long”*
**Shape/Style**2%
*“Not flattering”*
**Hip Fit**2%
*“tight in the hips”*
### **Top return reasons **
**Size-Overall**55%
**Color**8%
**Material Quality**5%
**Sleeve Fit**5%
**Length**5%
**Advertised Vs Actual Product**3%
**Waist Fit**2%
**Chest Fit**2%
**Width**2%
**Thin**1%
## **Common mariners sweatshirt questions**
- **Is mariners sweatshirt profitable to sell on Amazon United States?**
- The niche generates $13K/yr across 76 tracked products. 0 of 21 products launched in the last 360 days are still selling. 90-day search growth is -28.8%. Flapen's verdict: Skip it (39/100).
- **How competitive is the mariners sweatshirt niche?**
- 41 brands and 49 sellers compete. The top 5 products take 26% of clicks and top 5 brands hold 41% of demand.
- **What do buyers complain about in mariners sweatshirt?**
- Top complaints mined from reviews: Size-Overall, Sleeve Fit, Color. The return rate is 11.8% — above our launch gate.
- **What does it cost to enter the mariners sweatshirt niche?**
- Listings span $8.98–$114.90; the average listing price is $37.83 (sweet spot $15–$100). The average incumbent carries 4,173 reviews — the moat a new listing must climb.
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