Elena Perminova, before A Show, Paris, March 2015. 
Trench coat. 
Recreate Elena's look (kind of):
Temperley London Esen coat, Carven wool trench coat,  Joseph Townie Extra long trench coat, Temperley London Esen coat, T by Alexander Wang Belted twill trench coat, Burberry Prorsum long sleeve trench coat, Topshop trench coat, or Issa Charlie trench coat
Balenciaga velvet ankle boots