The sleek shape of the upholstered base offers nine parts that can each recline at six different angles. Each one can be used at will as backrest, armrest, headrest, seat or footrest. Frame in tubular steel. Base in brushed and chromed metal. Feet covered with tips in scratchproof aluminum and rubber. Foam padding in flexible and breathable polyurethane, used in different percentages. The frame consists of 128 steel parts and 16 special hinges. Padding in polyurethane with 184 parts with different densities to respond homogeneously to the functioning of the structure completely enclosed in the fourteen centimeters of depth. Assembled by hand.