WHAT SHE WORE: Mary Kate Olsen in The Row leather cocoon coat

WHO: Mary Kate Olsen  stopped by La Perla in NYC's Meatpacking neighborhood on July 15 2012
WHAT SHE WORE: THE ROW Leather Cocoon Coat
BUY: The Row Nesjen leather cocoon coat at Net-a-Porter  at Bergdorf Goodman