Ranking the current alternate uniforms of every NFL team
San Francisco 49ers 'Black Sunday' alternate uniforms ditch tradition, fashion sense
Jets Unveil New Stealth Black Alternate Helmet
49ers debut new black alternate uniforms
49ers to Wear Black Alternate Uniforms vs. Minnesota Vikings
49ers to Wear Black Alternate Uniforms vs. Minnesota Vikings
49ers unveil new uniforms with an old look
49ers all-black alternate uniforms could be NFL's worst in 2015
NFL Teams Debuting Alternate Helmets, Jerseys for the 2022 Season – NBC Los Angeles
Jets Unveil New Stealth Black Alternate Helmet
Source: 49ers to introduce new alternate uniform for 2018 - Niners Nation
49ers unveil new alternate uniforms to players Nfl uniforms, Football helmets, 49ers football
San Francisco 49ers Unveil Classic Update To Home, Road Jerseys, Helmet – SportsLogos.Net News
49ers unveil new uniforms with an old look
Cardinals To Debut New Black Uniforms Against Bengals