Olivia Palermo in black military coat and leather pants at Sonia Rykiel show in Paris on September 30

Olivia Palermo at Sonia Rykiel fashion show in Paris during Paris Fashion Week on September 30 2017

WHAT SHE WORE: Olivia wore black military coat from Banana Republic, sheer black blouse, black leather pants and white point toe pumps

BUY:

COAT: BANANA REPUBLIC X OLIVIA PALERMO WOOL-BLEND MILITARY COAT BLACK