The National Football League has introduced a new series of alternate uniforms, branded “Rivalries,” that will be worn by eight clubs in the 2025 season. The line—developed with long-time outfitter Nike—marks the league’s first coordinated, theme-based uniform rollout across multiple teams. Each design is anchored in local geography or history. New England’s “Nor’easter” kit comes in storm-blue and will appear in Week 11 against the Jets, while Arizona’s desert-inspired jersey, complete with state-flag shoulder patches, debuts in Week 4 versus Seattle. Buffalo’s predominantly white “Cold Front” set references lake-effect snow, and Miami has opted for a dark-blue base with aqua numerals for its Sept. 29 prime-time game against New York. San Francisco’s version features black jerseys, red helmet striping and the wordmark “Faithful,” complementing black-accent looks from the Seahawks, Jets and Rams. The program is slated to expand over the next three seasons, with sources indicating that Houston, Chicago, Indianapolis, Detroit, Jacksonville, Green Bay, Tennessee and Minnesota will receive Rivalries uniforms in 2026. Additional clubs will follow through 2028, ultimately giving all 32 franchises at least one special-occasion kit. League officials view the initiative as both a branding exercise and a fresh revenue stream. Replica jerseys and related merchandise begin hitting pro-shop shelves on Sept. 10, positioning teams and the NFL to capture fan spending ahead of opening weekend. Early reaction on social media and in local press has been sharply divided, suggesting strong interest—if not consensus—around the new designs.