Arizona Cardinals to wear alternate black uniform for game vs. 49ers
Photo gallery of 49ers new throwback alternate uniforms for 2018 - Niners Nation
49ers debut new black alternate uniforms
49ers confirm they will announce alternate 'throwback' uniforms on Wednesday - Niners Nation
New throwback uniform debuts at 49ers' State of Franchise event
San Francisco 49ers Get New All-Black Alternate Uniforms - WearTesters
The 49ers will be wearing the 1994 throwback jerseys during Thursday Night Football in Seattle. : r/49ers
San Francisco 49ers give sneak peek of all-black alternate uniforms - ABC7 San Francisco
49ers First Alternate Uniform
San Francisco 49ers Unveils New Alternate Jersey
49ers to unveil new alternate jersey on Thursday - Niners Nation