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Portland SeaDogs

The Portland Sea Dogs are the Double-A Eastern League Affiliate of the Boston Red Sox. They play their home games in Delta Dental Park in Portland, ME.

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135 products

  • New Era

    5950 Maine Bicentennial Inspired Fitted Cap

    $45.00
    Add to cart

  • '47 Brand

    Portland Sea Dogs Home Clean Up Cap

    $35.00

  • New Era

    Portland Sea Dogs 59FIFTY Retro Teal Fitted Hat

    $39.00
    Add to cart

  • New Era

    Sea Dogs 59FIFTY New Era Home

    $39.00
    Add to cart

  • Official League

    Portland Sea Dogs Teal Wave Cord Cap

    $40.00
    Add to cart

  • '47 Brand

    Portland Sea Dogs Retro Clean Up Cap

    $35.00

  • New Era

    Portland Sea Dogs 9Twenty Retro Hat

    $31.99
    Add to cart

  • New Era

    Sea Dogs 59FIFTY New Era Road

    $32.00$39.0018% off
    Add to cart

  • '47 Brand

    Portland Sea Dogs U of Maine 47 Clean Up Cap

    $40.00
    Add to cart

  • New Era

    Portland Sea Dogs 39Thirty MCrown Retro Hat

    $35.00

  • New Era

    Sea Dogs 59FIFTY Batting Practice Hat

    $35.00$42.0017% off
    Add to cart

  • '47 Brand

    Portland Sea Dogs Lobster Confetti Clean Up

    $38.00

  • New Era

    Portland Sea Dogs 9Twenty Home Hat

    $31.99

  • '47 Brand

    Portland Sea Dogs Ice Cream Clean Up Cap

    $30.00
    Add to cart

  • New Era

    2026 Portland Sea Dogs 19Twenty 4th Of July Adjustable Hat

    $38.00

  • New Era

    Bean Suppah On Field Fitted Hat

    $45.00
    Add to cart

  • New Era

    Portland Sea Dogs 9Twenty Road Cap

    $31.99

  • New Era

    2026 Portland Sea Dogs 59Fifty 4th of July Hat

    $48.00
    Add to cart

  • New Era

    Portland Sea Dogs 59Fifty Slugger Wave Throwback

    $46.00
    Add to cart

  • New Era

    Sea Dogs 59FIFTY New Era State of Maine

    $42.00
    Add to cart

  • New Era

    Portland Sea Dogs 59Fifty Faux Portland Cap

    $43.00
    Add to cart

  • New Era

    Portland Sea Dogs 2026 59Fifty Armed Forces Hat

    $48.00
    Add to cart

  • New Era

    59FIFTY Alternate Players Cap

    $30.00$42.0029% off
    Add to cart

  • New Era

    Whoopie Pie 59FIFTY New Era Hat

    $42.00
    Add to cart

  • New Era

    Portland Sea Dogs Road Low Profile Fitted Cap

    $26.00$42.0038% off
    Add to cart

  • New Era

    Portland Sea Dogs 9Twenty State of Maine Hat

    $31.99

  • New Era

    Sea Dogs 59FIFTY Slugger Hat

    $39.00
    Add to cart

  • New Era

    Portland Sea Dogs Cherry Blossom 59Fifty Hat

    $46.00

  • '47 Brand

    Portland Sea Dogs Parlor Cap

    $37.91$42.0010% off
    Add to cart

  • New Era

    Portland Sea Dogs 39Thirty BP Hat

    $35.00
    Add to cart

  • New Era

    Portland Sea Dogs 19Twenty Retro Hat

    $35.00

  • New Era

    Portland Sea Dogs Cherry Blossom 9Twenty

    $31.99

  • '47 Brand

    Portland Sea Dogs Drawbridge Trucker Cap

    $38.00

  • New Era

    2026 Portland Sea Dogs 39Thirty 4th of July Cap

    $40.00
    Add to cart

  • '47 Brand

    Portland Sea Dogs Home MVP Cap

    $30.00

  • '47 Brand

    Portland Sea Dogs USA Heritage Clean Up Cap

    $35.00

  • New Era

    59Fifty Lobster Bake Fitted Hat

    $35.00$42.0017% off
    Add to cart

  • '47 Brand

    Sea Dogs '47 Brand Franchise Road

    $30.00$40.0025% off
    Add to cart

  • New Era

    Portland Sea Dogs 39Thirty MCrown State of Maine Hat

    $35.00
    Add to cart

  • Outdoor Cap

    Portland Sea Dogs Dusty Green Cap

    $27.96
    Add to cart

  • New Era

    NE 595Fifty "Maine Soda" Fitted Hat

    $42.00
    Add to cart

  • Outdoor Cap

    Portland Sea Dogs Retro Skipper Cord Cap

    $33.89
    Add to cart

  • New Era

    Red Snapper 59FIFTY New Era Hat

    $35.00$42.0017% off
    Add to cart

  • New Era

    Portland Sea Dogs 2026 39Thirty Armed Forces Hat

    $40.00
    Add to cart

  • New Era

    Portland Sea Dogs 19Twenty Road Cap

    $35.00
    Add to cart

  • New Era

    9Twenty Lobster Bake Adjustable Hat

    $24.88$32.0022% off

  • Outdoor Cap

    Portland Sea Dogs Reliever Trucker Cap

    $27.49
    Add to cart

  • New Era

    Peanut Butter Whoopie Pie 59Fifty New Era Hat

    $30.00$42.0029% off
    Add to cart

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Portland Sea Dogs Retro Teal 2.png Portland Sea Dogs Retro Teal.png

Retro Teal

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Maine Whoopie Pies 3.jpg Maine Whoopie Pies.png
Whoopie Pies

The Original Alternate Identity

Whoopie Pies

A sweet tribute to a Maine classic. The Whoopie Pies were the Sea Dogs' first alternate identity.

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