Small armchair with steel structure, flame-retardant polyurethane foam padding and thermo-regulated polyesther fibre with elastic band springing. Non-removable internal nylon upholstery. Removable fabric or leather external cover. The external body can even be covered with 95 cowhide combined with fabric or leather (advertised). The armchair is available in two different heights above ground level: high 873/A with castors, low 873/B with feet.