The executive and conference armchairsand the chairs all have a single seat and backreststructure made in die-bent beech multiply. The armsare always made in die-bent multiply and slotted intothe thickness of the seat thanks to a groove with adouble S shape. All the models are lightly padded inresilient CFC-free polyurethane foam, on the internalside of the armchair backrest and the seat (only forthe chairs on slides) and then, they are completelycovered by saddle leather.The rear of the backrest can be padded andcompletely covered by saddle leather or can beveneered with semi-polished maple wood or blackwalnut wood. The seat of the armchairs have acushion in resilient CFC-free polyurethane foam andcompletely covered by saddle leather. The arms,when provided, are completely covered by saddleleather. There is also an executive armchair wherethe frame is completely veneered with semi-polishedmaple on the internal and external side. This chairhas also a cushion in resilient CFC-free polyurethanefoam and completely covered by saddle leather.Theswivel armchairs are height adjustable with a gaspiston and are fitted with a tilt mechanism; they alsohave a 5-star base in die-cast aluminium epoxy powdervarnished with grey or wrinkled black colour. Thetubular steel slide base of the chair is epoxy powdervarnished with grey or wrinkled black colour. The arms,when provided, are covered in saddle leather.