Majority of the replacement refs are US Soccer certified so will probably be wear those logos. The fact that there is one wearing a pro badge is interesting though as they are the ones on strike.
With the addition of the 3rd kit for PDX as well. I'm excited for what looks to be the first season in a while that there won't be a kit color clash for Cascadia Cup matches.
Also per the folks at FH here are the keeper kit colorways for the 2024 season.
Per the Seattle Equipment Manager Sounders going with the Black, Yellow, and Blue options again.