This  performance short sleeve is 100% Polyester, Moisture-Wicking.  Fast delivery. Standard US men size. Please refer to the size chart to choose a proper one that fits. 
Love her or Hate her, Anna Bright is one of a kind. 
You can get to know more about her via an interesting YouTube interview by the Kitchen Pickleballer:
https://www.youtube.com/watch?v=UfO7fUujllU