These are just Mock ups. http://news.sportslogos.net/2017/11/03/nikes-new-nba-city-edition-uniform-details-mockups/
"It was Burry who identified the Trail Blazers’ new logo leak back in May, as well as the team’s “Statement” jerseys in September. " so man is to be trusted
I think those are just "ripples" put in by the mock up designer to make them look like live fabric. All of this guy's mock ups have them.
Yes, those ripples. They will not be in the design, the artist added those to make it look like moving fabric.