49ers could wear throwback alternate uniform up to three times this season
The San Francisco 49ers will be wearing a black alt this season – SportsLogos.Net News
49ers can wear new throwback uniforms up to 3 times next season
49ers First Alternate Uniform
Photos: The 49ers have alternate uniforms for the first time ever - Footballscoop
49ers Introduce New Throwback Alternate
Picking a jersey has uniform appeal among 49ers' players and fans
49ers Unveil New Throwback Alternate Uniforms for 2018 Season, News, Scores, Highlights, Stats, and Rumors
49ers Throwback Inspired Alternate Uniforms
49ers First Alternate Uniform
The 49ers are reintroducing the '94 reds: The history behind the throwback uniforms - The Athletic
San Francisco 49ers Officially Unveil Home Version Of 1994 Throwback Uniforms – SportsLogos.Net News
49ers reveal throwback alternate jerseys 2018 - Niners Nation
Photo gallery of 49ers new throwback alternate uniforms for 2018 - Niners Nation
San Francisco 49ers Officially Unveil Home Version Of 1994 Throwback Uniforms – SportsLogos.Net News