Hi all,
Decided to share my experience so far with the performance shirt - it might help some people.
The material was a bit static when I unpacked it, but after washing it once it was fine. I think this can be the case with some materials. As I said, it’s fine now.
As a taller person (6’2 / 190cm) I was very happy to see this t-shirt is quite long. I went with an L and I could move my arms around without the t-shirt lifting too much. An important factor to me. Working out with it was good too - I felt very comfortable doing all kinds of movements.
Going to have to see how it holds up in the long run, but for now - it feels better than my other workout shirts.