Poll: San Francisco 49ers' black uniforms – The Mercury News
Yates] The Browns will be wearing their 75th anniversary uniforms today against the Bears. And they are tremendous. : r/nfl
Last time Black Alternates were worn? : r/49ers
NFL alternate jerseys: Ranking the best and worst - Sports Illustrated
2015 Uni Watch NFL preview - Uniform changes, tweaks, alternates and throwbacks - ESPN
How 49ers whiffed on new alternate uniform - ESPN
49ers all-black alternate uniforms could be NFL's worst in 2015
NFL uniform rankings: Arizona Cardinals' uniforms ranked worst in NFL
49ers to Wear Black Alternate Uniforms vs. Minnesota Vikings