The 49ers will close out the 2025 NFL regular season in style.

San Francisco unveiled its brand-new Nike Rivalries uniform on Thursday, which it will wear exclusively for its Week 18 matchup against the Seattle Seahawks on Jan. 3 or Jan. 4 at Levi's Stadium.

Check out the debut video here:

The Rivalries initiative is a new collaboration between the NFL and Nike, which is "designed to celebrate iconic divisional matchups with specifically crafted uniforms and limited-edition fan gear."

Other teams wearing Nike Rivalries uniforms this season are the Buffalo Bills, Arizona Cardinals, Miami Dolphins, New York Jets, New England Patriots and Los Angeles Rams.

The black 49ers helmet, accented by red stripes and a gold facemask, is "designed to celebrate the Faithful while honoring the iconic

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