Knowing how hot it is supposed to be on Sunday, head coach Kyle Shanahan said the San Francisco 49ers wanted to wear their all-white uniforms for Week 5 against the Arizona Cardinals, but they found out by the league that was something that needed to be decided before the season started, so it couldn’t get approved.
The Niners will wear their throwbacks with white pants in Week 5. Here’s Shanahan’s explanation about the uniforms:
“We got the memo earlier in the week that it was going to be hot like this.