In photography that's called moire. When a shirt or some cloth has a pattern to it, the sensor can distort that pattern. Very common and many cameras have an anti-aliasing filter to help get rid of that. When that filter is removed, image sharpness is increased but at the expense of moire.

I'm betting this was taken by a camera without an anti-aliasing filter and that's the natural result of it.

https://camerajabber.com/anti-aliasing-filter-camera-explain-like-im-5/#:~:text=An%20anti-aliasing%20filter%20%E2%80%93%20also%20known%20as%20an,is%20to%20avoid%20interference%20patterns%20from%20spoiling%20images.