Steelers-49ers updates: Gerry Dulac's analysis from each quarter in Week 1
49ers considering red helmets from the '55 season for 2022 - Niners Nation
Logos and uniforms of the San Francisco 49ers - Wikipedia
The NFL's relaxed jersey rules are not for nothing. Meet the players who now wear No. 0
The best and worst uniform looks for every NFL team
49ers to wear popular 1994 red throwbacks in four 2021 games – NBC Sports Bay Area & California
Nike Jerseys: The NFL's 300-Pound Fashion Victims - WSJ
49ers 2020 'Who Is?' series: Kofi Amichia to develop into reserve role?
Leaked photos create speculation that 49ers might wear throwbacks for 75th anniversary season