Photo gallery of 49ers new throwback alternate uniforms for 2018 - Niners Nation
49ers First Alternate Uniform
San Francisco 49ers Get New All-Black Alternate Uniforms - WearTesters
49ers First Alternate Uniform
49ers Unveil Classic Updates to Standard Home and Away Uniforms
The 49ers will be wearing the 1994 throwback jerseys during Thursday Night Football in Seattle. : r/49ers
49ers unveil first alternate uniform in team history
49ers to unveil new alternate jersey on Thursday - Niners Nation