49ers unveil first alternate uniform in team history
Pin on NFL Concept Helmets and Uniforms
NFL to allow teams to use alternate-color helmets starting in '22 - Niners Nation
Report: 49ers lobby NFL to wear throwback uniforms in Super Bowl
San Francisco 49ers Alternate Logo - National Football League (NFL) - Chris Creamer's Sports Logos Page
Arizona Cardinals unveil alternate black helmets with black facemask and metallic 3-D birdhead for 2022 season
49ers unveil new alternate uniforms to players Nfl uniforms, Football helmets, 49ers football
Nick Bosa first 49ers' rookie voted to Pro Bowl since Patrick Willis
Uni Watch's Friday Flashback -- Why San Francisco 49ers' 1991 helmet redesign was historic failure - ESPN