The 2023 Uni Watch NFL Season Preview - by Paul Lukas
The San Francisco 49ers will be wearing a black alt this season – SportsLogos.Net News
Here's all the new NFL uniforms and helmets for the 2023 season – NBC10 Philadelphia
49ers Introduce New Throwback Alternate
Commanders to unveil black alternate uniforms against Cowboys
Throwback uniform - Wikipedia
Dallas Stars announce 'blackout' jersey schedule for 2023-24 season
New 49ers alternate uniforms feature black jersey and pants
Arizona Cardinals unveil new uniforms for the 2023 season
CONCEPT: Extending Mississippi State's 2023 Football Uniform Set - Hail State Unis
Happy third anniversary to the 49ers black alternate uniforms - Niners Nation
NFL Teams Debuting Alternate Helmets, Jerseys for the 2022 Season – NBC Los Angeles
San Francisco 49ers Get New All-Black Alternate Uniforms - WearTesters
The New NFL Uniforms and Throwbacks Ready to Take the Field - Boardroom
49ers announce new red alternate throwback jerseys for 2021 to honor their 75th season in NFL