Is mariners hat profitable to sell on Amazon United States?

The niche generates $327K/yr across 39 tracked products. 3 of 7 products launched in the last 360 days are still selling. 90-day search growth is +3.4%. Flapen's verdict: Skip it (47/100).

How competitive is the mariners hat niche?

17 brands and 69 sellers compete. The top 5 products take 43% of clicks and top 5 brands hold 86% of demand.

What do buyers complain about in mariners hat?

Top complaints mined from reviews: Size-Overall, Color, Stiffness. The return rate is 3.6%.

When does demand for mariners hat peak?

Demand peaks in Apr–Oct; the busiest month runs 5.3× the quietest.

What does it cost to enter the mariners hat niche?

Listings span $9.65–$39.73; the average listing price is $31.02 (sweet spot $15–$100). The average incumbent carries 1,110 reviews — the moat a new listing must climb.

Mariners Hat

Skip it

Strong incumbent ratings (4.6★) — this niche doesn't clear our bar today.

Avg price

Incredible$31.02

avg listing price — sweet spot $15–$100

Price range

Great$9.65–$39.73

cheapest to priciest tracked listing — scored on the share inside $15–$100

Competition

Good43%

top-5 click share — leaders hold, buyers still browse

Review moat

Good1,110.03

avg incumbent reviews — the moat a new listing must climb

Market size

Good$327K

$327K/yr · 420K searches

Returns

Okay3.6%

return rate — above 5% kills the launch gate

Conversion

Okay2.5%

search→purchase rate — share of searches ending in a sale

Brand share

Okay86%

top-5 brand share — brands hold most of the demand

Growth

Okay+3.4%

90-day search growth — must beat 0% to launch

Quality gap

Bad4.6★

avg incumbent rating — lower means beatable quality

Is mariners hat profitable on Amazon?

According to Flapen's Amazon United States niche tracking, mariners hat is a $327K/yr Amazon United States market (420K searches/yr). The top 5 brands hold 86% of demand. Demand peaks in Apr–Oct. Verdict: Skip it — 47/100.

Data updated Jul 22, 2026 · scored weekly · How we score niches

mariners hat market size & sales

Units sold, revenue, conversion and listing quality across the tracked shelf.

Units sold / yr: 6K–8K; avg 100–250/product
Revenue / yr: $186K–$248K; units × avg price
Conversion rate: 2.5%
Avg BSR: #6,949
Page quality: 0%
Prime: 87%
Sponsored: 36%
Out of stock: 29.1%
Avg brand age: 41 months
Avg seller age: 164 days

Competition: brands, sellers & click share

The top 5 products take 43% of clicks — established leaders, but buyers still shop beyond them.

Brands

17 rising

Sellers

Top-5 brand share

86%

Top 20: 100%

Top-5 click share

43%

Top 20: 81%

Open market

12%

4742%
New Era32%
Elite Authentics7%
AMERICAN NEEDLE3%
Terojnkl3%
Amazon Essentials2%
Open — no brand owns it (11 brands, 12%)

mariners hat demand & seasonality

Weekly Amazon search volume, last 104 weeks — +3.4% search growth over the last 90 days.

Peak months: Apr, Oct · busiest ÷ quietest = 5.3×

Open Trend

Top mariners hat search terms shoppers use

The exact queries shoppers type, with yearly volume, growth and conversion.

mariners hat141K/yr +7.8%1.8% conv.
seattle mariners hats105K/yr -5.3%1.4% conv.
seattle mariners hat66K/yr +28.0%1.5% conv.
mariners baseball cap12K/yr -7.2%3.0% conv.
seattle hat16K/yr -34.5%0.4% conv.
mariners hat women8K/yr +28.7%1.9% conv.
mariners hats6K/yr +6.2%1.0% conv.
mariners hat men8K/yr +21.4%1.8% conv.
mariners cap6K/yr +21.4%1.9% conv.
womens mariners hat4K/yr +3.8%1.7% conv.

All search terms

Top mariners hat 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.

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

47 MLB Trucker Snapback Adjustable Hat Adult One Size Fits All - Seattle Mariners Seattle Mariners Navy

47$36.314.6★49 rev

New Era Unisex-Adult MLB Core Classic 9TWENTY Team Alternate Adjustable Hat Cap One Size Fits All - Seattle Mariners Blue

New Era$35.404.6★274 rev

47 MLB Home Team Color Primary Logo Clean Up Adjustable Strap Hat Cap Adult One Size Fits All (Seattle Mariners)

47$36.924.6★685 rev

New Era MLB Core Classic 9TWENTY 2-Tone Adjustable Hat Cap One Size Fits All (US Alpha One Size Seattle Mariners)

New Era$33.444.6★404 rev

47 Brand MLB Team Color Primary Logo MVP Adjustable Structure Baseball Cap Hat Adult One Size Fits All - Seattle Mariners Navy

47$34.394.8★420 rev

Newest

by launch date

DYBICKT Two Tone Trucker Baseball Cap with Embroidered SeattleCity Letters Classic Cotton Hat for Men and Women Gift Ideas

DYBICKT$19.933 rev

5mo ago

Amazon Essentials Womens Washed Cotton Canvas Baseball Cap with Adjustable Strap Navy One Size

Amazon Essentials$9.65224 rev

6mo ago

New Era MLB 9SEVENTY Baseball Team Replica Color Stretch Adjustable Snapback Hat (US Alpha One Size Seattle Mariners Seattle Mariners)

New Era$38.029 rev

9mo ago

New Era Unisex-Adult MLB Player Replica 9SEVENTY Baseball Team Color Stretch Adjustable Snapback Hat One Size Fits All - Seattle Mariners - Navy

New Era$39.56143 rev

9mo ago

Mitchell & Ness Seattle Mariners Cooperstown MLB Away Snapback Hat Cap - Grey/Royal

Mitchell & Ness$33.202 rev

1y ago

What reviews say buyers love and hate about mariners hat

What buyers praise and complain about, mined from review topics.

What buyers love

Quality-Overall25%

“They are a great quality and very adjustable”

Size-Overall21%

“Fits great”

Color9%

“The coloring is nice overall a great purchase”

Comfort-Overall8%

“very comfortable”

Value For Money5%

“good price”

Advertised Vs Actual Product4%

“Just as advertised”

Shape/Style4%

“This Looks Sharp”

Design-Overall3%

“The design is clean with no logos”

Gifting Purpose2%

“Birthday Present”

Material Quality2%

“The cotton material is really nice and breathable, so that is a plus”

What buyers complain about

Size-Overall19%

“In terms of the fit, however, it is a little strange and slightly uncomfortable”

Color14%

“DECENT QUALITY, BUT COLOR IS OFF This cap appears to be pretty decent quality so I've decided to keep it, however, the color red is NOT bright or vibrant. like it appears in the stock photo”

Stiffness8%

“The brim is very stiff”

Advertised Vs Actual Product6%

“Color doesnt match picture”

Length6%

“Too short”

Strap/String Quality3%

“couldn't get the end of the strap to slide in”

Warmth3%

“so your head shouldn't get too warm”

Comfort-Overall2%

“In terms of the fit, however, it is a little strange and slightly uncomfortable”

Top return reasons

Size-Overall66%

Color8%

Shape/Style5%

Advertised Vs Actual Product4%

Material Quality3%

Value For Money2%

Length2%

Quality-Overall1%

Stitch/Finish/Polish1%

Neck Fit1%

Common mariners hat questions

Is mariners hat profitable to sell on Amazon United States?: The niche generates $327K/yr across 39 tracked products. 3 of 7 products launched in the last 360 days are still selling. 90-day search growth is +3.4%. Flapen's verdict: Skip it (47/100).
How competitive is the mariners hat niche?: 17 brands and 69 sellers compete. The top 5 products take 43% of clicks and top 5 brands hold 86% of demand.
What do buyers complain about in mariners hat?: Top complaints mined from reviews: Size-Overall, Color, Stiffness. The return rate is 3.6%.
When does demand for mariners hat peak?: Demand peaks in Apr–Oct; the busiest month runs 5.3× the quietest.
What does it cost to enter the mariners hat niche?: Listings span $9.65–$39.73; the average listing price is $31.02 (sweet spot $15–$100). The average incumbent carries 1,110 reviews — the moat a new listing must climb.