My quest for the perfect plain white T-shirt

Justin Bieber, tattooed punks, hip-hop heads, stylish dads and summer hipsters all love the simple garment. But who makes the best white tee?I enjoy, as a genre, any interview that accompanies the launch of a new clothing line – it is an admirable world of aggrandised nonsense. Take super-stylist Karla Welch, who has just collaborated on a collection with Justin Bieber.This new range? Seven plain white T-shirts. In fact, supermarket-bought T-shirts “reimagined” (cut up and put