49ers to unveil new alternate jersey on Thursday - Niners Nation
San Francisco 49ers - Wikipedia
49ers all-black alternate uniforms could be NFL's worst in 2015
Tales from the dark side: Has the black uniform trend finally peaked? - ABC News
Ranking NFL's current throwback jerseys: Eagles' perfect 'Kelly Green'; high marks for Patriots, 49ers
49ers officially unveil black, red and gold alternate uniform for 2015 - Niners Nation
49ers officially unveil black, red and gold alternate uniform for 2015 - Niners Nation
49ers officially unveil black, red and gold alternate uniform for 2015 - Niners Nation
Uni Watch: Best Throwback Uniforms Yet to Be Revived - InsideHook