San Francisco 49ers reveal black alternate uniforms during draft
NFL Teams Debuting Alternate Helmets, Jerseys for the 2022 Season – NBC Los Angeles
Why the timing of the new 49ers black alternate uniform seems to be perfect
Here's all the new NFL uniforms and helmets for the 2023 season – NBC10 Philadelphia
NFL new uniforms 2023: Ranking fresh fits, helmets from best to worst, feat. Colts and Seahawks
49ers Officially Unveil Red And Black Alternate Uniform, Raiders Mock New Color Scheme - CBS San Francisco
49ers: Ranking best jerseys and uniforms in team history
2023 College Football Uniform Preview - Auburn Uniform Database
Were Los Angeles Rams close to announcing a black alternate jersey? - Turf Show Times
Broncos to wear alternate jerseys in three games during 2022 season
49ers all-black alternate uniforms could be NFL's worst in 2015
Cleveland Browns reveal new white alternate helmet
New alternate uniforms will be unveiled by individual teams - NBC Sports