We’re hyped to officially announce that Final Third is the new Official Technical Partner for Boston Siege FC. Starting this season, we’re taking over the touchline. From the first whistle to the final third, every Siege player will be equipped with our professional-grade, bespoke performance gear.

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THE 2026 COLLECTION

Engineered for technical excellence. Shop our latest performance-driven home and away kits for the new season.

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NOW SHIPPING INTERNATIONAL & DELIVERING LOCAL

Welcomes Boston Siege FC

Experience the passion of Boston Siege FC. From clinical finishes to defensive masterclasses, relive the moments that define our pro standard in the UPSL D1 New England league.

DOWNLOAD THE OFFICIAL BOSTON SIEGE FC APP • DOWNLOAD THE OFFICIAL BOSTON SIEGE FC APP •

THE HUB FOR EVERY SUPPORTER

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Join 10k+ supporters using the official app to stream Boston Siege FC games.

The official Boston Siege FC app is your constant connection to the club. Experience live match tracks, exclusive technical drills, and a simplified ticket management system. Whether you are at the stadium or on the go, the club is with you.

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