Pantaloni Costa from Roberto CollinaComposition: 

Roberto Collina Pantaloni Costa

black ribbed knit lamé effect elasticated waistband flared hem

Roberto Collina lamé trousers

black merino wool knitted construction flared elasticated waistband

black silk blend elasticated waistband wide leg two side slit pockets

optical white ribbed knit high-waisted elasticated waistband flared hem skinny cut

cream white satin weave two side slash pockets internal logo tag straight leg elasticated waistband