The seats of City Casual come in foam with a medium density. It does not have standardized back cushions. The back can therefore be customized with as many back cushions as desired. The suggested designs for the back cushions are: Casual cushions, Soft cushions and Soft-Alto cushions. All versions can be upholstered in fabric, leather or synthetic leather. Fabric combinations have fully removable covers, and in leather or synthetic leather, only the cushion covers can be removed.