Peter pan collars and handstitched smocking are the order of the day as one of Kate Middleton’s favorite childrenswear brands debuts in the U.S. Pepa & Co, the London-based label, favored by Kate for her two children, Prince…

Peter pan collars and handstitched smocking are the order of the day as one of Kate Middleton’s favorite childrenswear brands debuts in the U.S. Pepa & Co, the London-based label, favored by Kate for her two children, Prince…