49ers considering alternate red helmet for future seasons, per
49ers honor 1994 Super Bowl championship team with throwback uniforms
San Francisco 49ers - Wikipedia
49ers Unveil Classic Updates to Standard Home and Away Uniforms
49ers to Wear Black Alternate Uniforms vs. Minnesota Vikings
Picking a jersey has uniform appeal among 49ers' players and fans
49ers First Alternate Uniform
49ers Unveil Alternate Throwback Uniforms at Annual State of the
Photo gallery of 49ers new throwback alternate uniforms for 2018
49ers Wearing 1994 Throwback Uniforms Against Rams On Monday Night
It looks like the jersey schedule is out(source: 49ers app) : r/49ers
49ers unveil new uniforms with an old look