A great place to buy elegant, simple and high quality clothing in Barcelona. COS is where the designers and those in the fashion industry go to gain inspiration for the coming season. This is a large store with plenty of options ranging from pants, shirts, dresses, jackets, accessories and even some things for the house. The racks are full in COS so be patient and go room by room, as there are plenty of gems to be found. Their online store is also full of great options, even some that you can't find in the store itself, so be sure to browse both.