PH5 Modern Knitwear. PH5 is a knitwear-focused brand, that is young and fun. This wearable spring summer collection, by founders Wei Lin and Mijia Zhang, features affordable pop-color jumpsuits and ribbed knits with a modern twist. Their inspiration came from Marc Quinn, Thomas Stimm, and Dieter Huber. Meet the designers being interviewed by Svetlana Beane.