New throwback uniform debuts at 49ers' State of Franchise event
Photos: The 49ers have alternate uniforms for the first time ever
49ers First Alternate Uniform
Are the 49ers planning to change their alternate uniforms in 2018
49ers Unveil New Throwback Alternate Uniforms for 2018 Season
San Francisco 49ers - Wikipedia
Photos: The 49ers have alternate uniforms for the first time ever
Social Recap: 49ers Players React to All-white Throwback Uniforms
49ers First Alternate Uniform
49ers reveal throwback alternate jerseys 2018 - Niners Nation