· Seat structure. Metal tubing with interwoven elastic belts. · Backrest and sides structure. Made of birch plywood. · Seat padding. Made of different density polyurethane foam and pressed felt. · Backrest and armrest padding. In polyurethane foam and polyester wadding. · Cushion padding. Seat: in goose down, polyester wadding and a polyurethane foam stabilizing insert. Backrest: in goose down in two separate horizontal compartments to ensure differentiated and anatomical comfort. Armrest: in goose down. · Armrest. Available in 5 versions, that can be combined, for all the configurations, modular and asymmetrical parts: - High, in leather or saddle, in the same upholstery chosen for the structure. In case of saddle, the upholstery wraps completely the high armrest, inwards curved and enriched by a series of stainless steel rivets decorated with a - Flat, in leather or saddle, in the same upholstery chosen for the structure. The armrest is fixed at 90° by little metallic corner brackets. - Medium, in leather, in the same upholstery chosen for the structure, or fabric, in the same upholstery chosen for seat and backrest cushions. - Low, in leather, in the same upholstery chosen for the structure, or fabric, in the same upholstery chosen for seat and backrest cushions. - Low fitted-out arm (optional Box), available only for saddle versions, in the same upholstery chosen for the structure. A door on the top gives access to a compartment lined with a light fawn cotton fabric housing a sliding tray made of natural oak. · Feet. Aluminium in a titanium stain. Protective plastic caps. · Upholstery. Fully upholstered in Pelle Frau® leather (also in a two-colour version) or in a combination of two materials. The first upholster mentioned below is applied to the external structure while the second one is used for the seat and backrest cushions. - ColorSphere® (SC) / ColorSphere® (SC) - ColorSphere® (SC) / Fabric A - ColorSphere® (SC) / Fabric B - ColorSphere® (SC) / Fabric C - ColorSphere® (SC) / C.O.M.