49ers can wear new throwback uniforms up to 3 times next season
49ers all-black alternate uniforms could be NFL's worst in 2015
San Francisco 49ers, But at the end of the day
49ers to Wear Black Alternate Uniforms vs. Minnesota Vikings
49ers Unveil Alternate Throwback Uniforms at Annual State of the
49ers' new alternate uniform is unoriginal, outdated - ABC7 San
Do the 49ers have throwback uniforms coming in 2018?
49ers reveal throwback alternate jerseys 2018 - Niners Nation