, central elements and platform. Structure: steel, provided of elastic belts; feet made of acid-etched brass or stainless steel with a satin finish or varnished in calce or grigio scuro colour. Plastic spacers. Backrest structure made of spring steel and ABS. The backrest adapt to the body allowing for a particular support ease, thanks to its elastic internal structure. Padding: stress resistant, differentiated expanded polyurethane. Removable seat cushion in stress resistant expanded polyurethane. Coupling system: steel Foam covering: fixed cover in polyester fibre and polyamide. Upholstery: removable cover available in a selection of fabrics in the collection.