Metropolitan elegance, lightness of sign, balance in its proportions and excellent seat comfort are the concepts characterizing this design. With low or high back-rest cushions, and with or without mechanism. The supporting frame is in metal section properly reinforced and in multilayer wood. The spring system of the seat is made of elastic crossed belts. The filling is in C.F.C. - free, non - deformable polyurethane foam. The seat cushions are in selected and sterilized 70% goose feather and 30% duck feather “Assopiuma” with supporting heart in C.F.C. - free, non - deformable polyurethane foam, covered by a layer of viscoelastic foam and with covers in fabric 100% cotton. Slide feet in drawn metal with epoxy varnished finishing in colors black or white. Completely removable covers except for the leather version.