From Seattle Mariners adjustable and snapback hats that offer a customizable fit to trendy Mariners bucket hats that add a fashionable flair to your look, MLB Shop's hat collection has something for everyone.

Shop the Official On-Field Hat of the Seattle Mariners at New Era Cap. New Era offers a wide selection of Mariners Caps & Apparel for every Seattle fan! Whether you're looking for a Fitted Mariners Hat or an Adjustable Snapback Mariners Hat, New Era Cap has you covered.

Celebrate classic team style with the Seattle Mariners Retro Wordmark Trucker Hat. Featuring vintage-inspired wordmark and trident graphics in bold team colors, this cap combines nostalgia with modern flair.

Step up your fan gear with the Seattle Mariners Pixel Wordmark Fitted Hat. Featuring a bold pixelated wordmark design in vibrant team colors, this hat delivers a retro gaming-inspired twist on Mariners pride.

New Era Seattle Mariners 20th Anniversary Black Copper Two Tone Edition 9Forty A Frame Snapback Hat

Elevate your Mariners collection with the Seattle Mariners Navy Blue Satin Fitted hat, featuring luxurious satin fabric that catches the light with every movement. This officially licensed MLB and New Era cap showcases the iconic Mariners word mark with compass star logo in teal and white embroidery against a deep navy

Shop Seattle Mariners Caps for MLB snapbacks, fitted hats, and jerseys. Find high-quality baseball gear to show your team pride.

MLB Flagship Wash Mesh MVP Adjustable Hat, Adult One Size Fits All (Seattle Mariners, One Size, Vintage Navy)

Check each product page for other buying options. Price and other details may vary based on product size and color.

When you’re heading down to SoDo, we’ve got a Seattle Mariners hat to get you as pumped up as the Mariner Moose. For fans of the dad hat, we’ve got our classic ’47 CLEAN UP. If you like a traditional fitted hat, try our iconic ’47 FRANCHISE.