Seattle Mariners Fitted Hats

Total Unique Fitted Caps: 84

About Seattle Mariners Fitted Hats

Browse 84+ official Seattle Mariners fitted hats from New Era and more. Shop 59FIFTY caps in every colorway, from classic team colors to limited-edition drops and championship commemoratives. Filter by size, color, collection, and release date to find your perfect cap. Every Seattle Mariners fitted ever made, all in one place.

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Frequently Asked Questions About Seattle Mariners Fitted Hats

How many Seattle Mariners fitted hats are available?

We currently carry 84+ unique Seattle Mariners fitted hats from New Era, including 59FIFTY caps in every colorway, World Series and championship commemoratives, and exclusive limited-edition releases.

What sizes do Seattle Mariners fitted hats come in?

New Era Seattle Mariners 59FIFTY fitted hats come in sizes 6 7/8 through 8, with the most popular sizes being 7 1/4, 7 3/8, and 7 1/2. Use the size filter on this page to find your perfect fit.

What colors do Seattle Mariners fitted hats come in?

Seattle Mariners fitteds are available in dozens of colorways including classic team colors, black, white, grey, and seasonal exclusives. New colorways drop regularly from New Era and other brands.

Are New Era 59FIFTY hats worth it?

The New Era 59FIFTY is the official on-field cap of Major League Baseball and the gold standard of fitted hats. At $40 to $55, you get premium wool/polyester construction, authentic embroidered team logos, and a fit that breaks in perfectly over time.

What is the difference between a fitted hat and a snapback?

A fitted hat (like the New Era 59FIFTY) comes in specific sizes and has no adjustable strap, so it fits snugly to your head measurement. A snapback (like the 9FIFTY) has an adjustable snap closure and is one-size-fits-most. Fitted hats offer a more precise, premium fit.

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These are vendor sizes

The sizes shown are what's currently available at the vendor's store — not our inventory. We check vendor stock daily to keep this info up to date.