Headline: Colts to wear 'Indiana Nights' alternate uniform for Week 7 game vs. Cleveland Browns
NFL throwback uniforms: Long process is worth the wait as league encourages teams to unveil old-school look
USFL teams reveal their uniforms for the 2022 season - ESPN
Photo gallery of 49ers new throwback alternate uniforms for 2018 - Niners Nation
NFL alternate uniforms, helmets: Bears, Eagles, Bengals, Cowboys, more
49ers to unveil new alternate jersey on Thursday - Niners Nation
San Francisco 49ers Unveils New Alternate Jersey
49ers debut new black alternate uniforms
49ers debut new black alternate uniforms
49ers unveil new black alternate jersey on Snapchat; black pants also included
Houston Cougars football unveils baby blue alternate uniforms honoring Houston Oilers
49ers Unveil Alternate Throwback Uniforms at Annual State of the Franchise Event
49ers unveil new black alternate jersey on Snapchat; black pants also included