The 2023 Uni Watch NFL Season Preview - by Paul Lukas
Photo gallery of 49ers new throwback alternate uniforms for 2018 - Niners Nation
San Francisco 49ers unveil alternate uniforms on Snapchat - The Washington Post
NFL Uniform Schedule 2023: When will Eagles, Seahawks and more wear alternate jerseys
Arizona Cardinals to officially debut their icy white jerseys
49ers Must Never Wear Atrocious All-Black Uniforms Again - Sports Illustrated San Francisco 49ers News, Analysis and More
49ers to Wear Black Alternate Uniforms vs. Minnesota Vikings
49ers reveal throwback alternate jerseys 2018 - Niners Nation
NFL alternate uniforms, helmets: Bears, Eagles, Bengals, Cowboys, more
Browns unveil white alternate throwback helmets
Source: 49ers to introduce new alternate uniform for 2018 - Niners Nation
Colts unveil black helmets, alternate uniforms - NBC Sports
8 Football Teams Will Have New Uniforms This Year: Here Are The Fresh Looks Coming To The NFL
San Francisco 49ers uniform: Team unveils new black alternate - Sports Illustrated