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 merino wool ribbed knit side slits raw-cut hem

black cotton knitted construction lace stitching wide ribbed slim cut mid-rise elasticated waistband unlined straight hem

black silk blend elasticated waistband wide leg two side slit pockets

black satin finish pressed crease elasticated waistband straight leg

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