San Francisco 49ers give sneak peek of all-black alternate uniforms - ABC7 San Francisco
49ers Wearing 1994 Throwback Uniforms Against Rams On Monday Night Football – SportsLogos.Net News
49ers debut new black alternate uniforms
2021: Kickoff — A Bay Area News Group premium edition by MediaNews Group Targeted Products - Issuu
49ers officially unveil black, red and gold alternate uniform for 2015 - Niners Nation
49ers officially unveil black, red and gold alternate uniform for 2015 - Niners Nation
49ers' new alternate uniform is unoriginal, outdated - ABC7 San Francisco
49ers officially unveil black, red and gold alternate uniform for 2015 - Niners Nation
Manning, Kroenke, Cam Newton among NFL's Most Influential People - Sports Illustrated