It looks like the jersey schedule is out(source: 49ers app) : r/49ers
49ers First Alternate Uniform
49ers First Alternate Uniform
Do the 49ers have throwback uniforms coming in 2018?
5 Highlights from the 2018 State of the Franchise
The 49ers Should Wear the 1994 Throwback Uniforms As Alternates
49ers team president: Throwback uniforms are coming
49ers can wear new throwback uniforms up to 3 times next season
49ers First Alternate Uniform
San Francisco 49ers Officially Unveil Home Version Of 1994
49ers could wear throwback alternate uniform up to three times
49ers could have new alternate uniforms, per report
New Sets But at the end of the day
Source: 49ers to introduce new alternate uniform for 2018 - Niners